{"title":"Siemens Humidity Sensors","description":"","products":[{"product_id":"qfasensensors","title":"Siemens - Room Humidity Sensor - QFA Series","description":"\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0795\/5120\/1578\/files\/QFA2000.pdf?v=1699308166\" target=\"_blank\"\u003e \u003cbutton class=\"product-form__submit button button--primary\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e \u003cspan class=\"text\"\u003eQFA2000 Series Datasheet\u003c\/span\u003e\u003c\/button\u003e \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0795\/5120\/1578\/files\/QFA3000_datasheet.pdf?v=1699308419\" target=\"_blank\"\u003e \u003cbutton class=\"product-form__submit button button--primary\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e \u003cspan class=\"text\"\u003eQFA3000 Series Datasheet\u003c\/span\u003e\u003c\/button\u003e \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0795\/5120\/1578\/files\/QFA1000_datasheet.pdf?v=1699308433\" target=\"_blank\"\u003e\u003cbutton class=\"product-form__submit button button--primary\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cspan class=\"text\"\u003eQFA1000 Series Datasheet\u003c\/span\u003e\u003c\/button\u003e \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQFA2000 Description:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eAchieving the perfect indoor climate has never been easier with the Siemens Room Humidity Sensor from the QFA2000 Series. This advanced sensor is designed to provide accurate and reliable measurements of both relative humidity and temperature, ensuring your space remains comfortable and well-regulated.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible Power Options:\u003c\/strong\u003e Operating with AC 24 V or DC 13.5–35 V, this sensor adapts to your electrical setup, ensuring compatibility with your existing systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePrecise Signal Outputs:\u003c\/strong\u003e The sensor offers DC 0-10 V or 4-20 mA signal outputs for relative humidity, providing you with real-time data on your indoor environment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDual Measurements:\u003c\/strong\u003e The QFA2000 Series doesn't stop at humidity; it also measures temperature. You can choose from different temperature signal outputs, including passive, LG-Ni 1000, T1 (PTC), or active DC 0-10 V.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExceptional Accuracy:\u003c\/strong\u003e With an impressive accuracy level of ±3% r.h. within the comfort range, you can trust that your indoor climate is being monitored with precision.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWide Operating Range:\u003c\/strong\u003e This sensor is built to withstand temperatures from -15°C to +50°C and humidity levels from 0 to 95% r.h. (non-condensing), making it suitable for a variety of environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Siemens Room Humidity Sensor from the QFA2000 Series is the perfect solution for ventilating and air conditioning systems. It is designed to accurately measure relative humidity and temperature in rooms. Whether you need a control sensor or a measuring sensor for building automation and control systems, the QFA2000 Series has you covered.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eType Summary:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQFA2000:\u003c\/strong\u003e Measures relative humidity with a signal output of DC 0-10 V, operating with AC 24 V or DC 13.5–35 V.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQFA2001:\u003c\/strong\u003e Measures relative humidity with a signal output of 4-20 mA, operating with DC 13.5–35 V.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQFA2020:\u003c\/strong\u003e Measures relative humidity and temperature with passive LG-Ni 1000 sensor, with a signal output of DC 0-10 V. Operates with AC 24 V or DC 13.5–35 V.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQFA2040:\u003c\/strong\u003e Measures relative humidity and temperature with passive T1 (PTC) sensor, with a signal output of DC 0-10 V. Operates with AC 24 V or DC 13.5–35 V.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQFA2060:\u003c\/strong\u003e Measures relative humidity and temperature, with a signal output of DC 0-10 V. Operates with AC 24 V or DC 13.5–35 V. Available in various temperature ranges.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQFA2060D:\u003c\/strong\u003e Measures relative humidity and temperature, with a signal output of 4-20 mA. Operates with DC 13.5–35 V. Available in various temperature ranges.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTrust Siemens to provide you with the tools you need to monitor and optimize your indoor environment. Upgrade to the Siemens Room Humidity Sensor from the QFA2000 Series for complete control over your indoor comfort.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQFA3000 Description:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAchieving the ideal indoor climate has never been easier with the Siemens Room Humidity Sensor from the QFA3000 Series. Designed for high accuracy and quick response times, this sensor provides precise measurements of relative humidity and temperature, ensuring your indoor environment remains comfortable and well-regulated.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible Power Options:\u003c\/strong\u003e The sensor operates on AC 24 V or DC 13.5–35 V, allowing for easy integration into your existing systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAccurate Signal Outputs:\u003c\/strong\u003e The QFA3000 Series offers both DC 0-10 V and 4-20 mA signal outputs for both relative humidity and temperature, providing real-time data on your indoor conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCapacitive Humidity Measurement:\u003c\/strong\u003e This advanced technology ensures very high measuring accuracy across the entire measuring range.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFunction Test:\u003c\/strong\u003e The sensor is equipped with a function test feature for added reliability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWide Operating Range:\u003c\/strong\u003e Capable of measuring in extreme conditions, from -40°C to +70°C and 0-100% relative humidity. With an optional LCD display, it operates from -25°C to +70°C.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe QFA3000 Series is specifically designed for use in ventilation and air conditioning systems where high accuracy and rapid response times are crucial. Its wide measuring range covers the entire spectrum of humidity from 0% to 100%. Ideal applications include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eStorage and production facilities in industries such as paper, textiles, pharmaceuticals, food, chemicals, and electronics.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLaboratories\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHospitals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndoor swimming pools\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eComputer and data centers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGreenhouses\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWith the AQF3100 accessory, it can also be used for outdoor applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eType Summary:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQFA3100:\u003c\/strong\u003e Measures relative humidity with a signal output of DC 0-10 V. Operating with AC 24 V or DC 13.5–35 V. No LCD display. Measuring tip: AQF3150.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQFA3101:\u003c\/strong\u003e Measures relative humidity with a signal output of 4-20 mA. Operating with DC 13.5–35 V. No LCD display. Measuring tip: AQF3150.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQFA3160:\u003c\/strong\u003e Measures relative humidity and temperature with a signal output of DC 0-10 V. Operating with AC 24 V or DC 13.5–35 V. No LCD display. Measuring tip: AQF3150.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQFA3160D:\u003c\/strong\u003e Measures relative humidity and temperature with a signal output of DC 0-10 V. Operating with AC 24 V or DC 13.5–35 V. With LCD display. Measuring tip: AQF3150.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQFA3171:\u003c\/strong\u003e Measures relative humidity and temperature with a signal output of 4-20 mA. Operating with DC 13.5–35 V. No LCD display. Measuring tip: AQF3150.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQFA3171D:\u003c\/strong\u003e Measures relative humidity and temperature with a signal output of 4-20 mA. Operating with DC 13.5–35 V. With LCD display. Measuring tip: AQF3150.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQFA3173 and QFA3173D:\u003c\/strong\u003e Variants with an alternative measuring tip (AQF3151) for specific applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTrust Siemens to provide you with a sensor that ensures your indoor environment remains comfortable and well-regulated. Upgrade to the Siemens Room Humidity Sensor from the QFA3000 Series and enjoy the benefits of unmatched accuracy.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eQFA1000 Description:  \u003cspan style=\"color: #ff0000;\"\u003e(Product Phased-Out)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eExperience optimal humidity control with the Siemens Room Hygrostats from the QFA1000 Series. These high-quality hygrostats are designed to monitor and regulate relative humidity levels in ventilation or air conditioning systems, ensuring your indoor environment remains comfortable and healthy.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSingle-Pole Microswitch:\u003c\/strong\u003e Equipped with a reliable single-pole microswitch for precise control.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStabilized Humidity Measuring Element:\u003c\/strong\u003e The humidity measuring element is constructed from stabilized plastic texture, ensuring long-lasting accuracy.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSetpoint Knob:\u003c\/strong\u003e Easily adjust the setpoint knob for the upper switching point to achieve your desired humidity level.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVersatile Control:\u003c\/strong\u003e Suitable for controlling both humidification and dehumidification equipment, making it adaptable to a wide range of applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible Installation:\u003c\/strong\u003e These hygrostats can be mounted directly on the wall or on a recessed conduit box, providing installation flexibility.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe QFA1000 Series hygrostats are essential for maintaining the desired relative humidity levels in various indoor settings. Use them for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eControlling and monitoring relative humidity in ventilation or air conditioning systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRegulating room humidity within a selectable range of 30% to 90% relative humidity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eControlling humidification or dehumidification equipment to ensure optimal comfort and air quality.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMonitoring minimum or maximum humidity levels for added peace of mind.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eType Summary:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQFA1000:\u003c\/strong\u003e Allows setpoint setting range from 30% to 90% relative humidity. Offers a switching differential of approximately 4% r.h. with internal setpoint knob adjustment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQFA1001:\u003c\/strong\u003e Similar to the QFA1000 but features external setpoint knob adjustment for added convenience.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eChoose the Siemens Room Hygrostats from the QFA1000 Series to take control of your indoor humidity levels and create a comfortable, healthy environment. Trust in Siemens' reputation for quality and precision to ensure the perfect humidity control for your space.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Siemens","offers":[{"title":"QFA2000 - Room Humidity Sensor 0…10V","offer_id":46439378944298,"sku":"QFA2000","price":177.0,"currency_code":"AUD","in_stock":true},{"title":"QFA2001 - Room Humidity Sensor 4…20mA (S55720-S114)","offer_id":46439378977066,"sku":"QFA2001","price":177.0,"currency_code":"AUD","in_stock":true},{"title":"QFA3100 - Room Humidity Sensor 0...10V High Accuracy","offer_id":46439379009834,"sku":"QFA3100","price":268.0,"currency_code":"AUD","in_stock":true},{"title":"QFA3101 - Room Humidity Sensor 4…20mA High Accuracy","offer_id":46439379042602,"sku":"QFA3101","price":263.0,"currency_code":"AUD","in_stock":true},{"title":"(Phased-out) QFA1000 - Room Hygrostat 30…90%rh Internal Setpoint Adjustment","offer_id":46439379075370,"sku":"QFA1000","price":180.0,"currency_code":"AUD","in_stock":false},{"title":"(Phased-out) QFA1001 - Room Hygrostat 30…90%rh External Setpoint Adjustment","offer_id":46439379108138,"sku":"QFA1001","price":186.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0795\/5120\/1578\/products\/Siemens_QFA2000_Room_sensor_for_humidity_Raumfeuchtefuehler__879721__74787__70790.1502901302.jpg?v=1689919584"},{"product_id":"qfahumitemp","title":"Siemens -Room Hum\/Temp Sensors - QFA Series","description":"\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0795\/5120\/1578\/files\/20091_en.pdf?v=1708394335\" target=\"_blank\"\u003e \u003cbutton rel=\"noopener noreferrer\" class=\"product-form__submit button button--primary\" target=\"_blank\"\u003e \u003cspan class=\"text\"\u003eQFA Series Datasheet\u003c\/span\u003e\u003c\/button\u003e \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEnhance Room Comfort and Control with Siemens Room Sensors QFA20..\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e Siemens Room Sensors QFA20.. offer precise monitoring of relative humidity and temperature, ensuring optimal comfort and control in indoor environments. Designed for compatibility with building automation and control systems, these sensors provide accurate data to optimize HVAC operations and enhance occupant comfort.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e1. Dual Monitoring Capability:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe QFA20.. sensors can simultaneously monitor relative humidity and temperature, providing comprehensive data for precise environmental control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e2. Flexible Power Options:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWith support for both AC 24 V and DC 13.5–35 V operating voltages, these sensors offer flexibility in power supply, accommodating various installation requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e3. Multiple Signal Output Options:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe sensors feature signal outputs in the form of DC 0–10 V, 4–20 mA for relative humidity, and DC 0–10 V, 4–20 mA, LG-Ni 1000, or T1 for temperature, ensuring compatibility with different control systems and devices.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e4. High Accuracy and Wide Range:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWith an accuracy of ±3% relative humidity within the comfort range and a range of use spanning from -15°C to +50°C and 0–95% relative humidity (non-condensing), the QFA20.. sensors provide reliable and precise data under various conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e5. Versatile Applications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIdeal for use in ventilating and air conditioning plants, these sensors serve as essential components for acquiring relative humidity and temperature data in indoor spaces. They are utilized as control sensors and measuring sensors in building automation and control systems or indicating units.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eUse:\u003c\/strong\u003e Siemens Room Sensors QFA20.. are indispensable for optimizing indoor environmental conditions in a wide range of applications. From commercial buildings to residential spaces, these sensors ensure optimal comfort and energy efficiency by providing accurate data for HVAC control and regulation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Numbers:\u003c\/strong\u003e\u003cbr\u003eQFA2020 Room Humidity\/Temperature Sensor Hum 0…10V; Temp LG-Ni1000\u003cbr data-mce-fragment=\"1\"\u003eQFA2060 Room Humidity\/Temperature Sensor Hum 0…10V; Temp 0…10V\u003cbr data-mce-fragment=\"1\"\u003eQFA2050\/MO Room Humidity\/Temperature Sensor Hum MODBUS (S55720-S508)\u003cbr data-mce-fragment=\"1\"\u003eQFA2071 Room Humidity\/Temperature Sensor Hum 4-20mA; Temp 4-20mA (S55720-S115)\u003cbr data-mce-fragment=\"1\"\u003eQFA2060D Room Humidity\/Temperature Sensor Hum 0…10V; Temp 0…10V LCD Display\u003cbr data-mce-fragment=\"1\"\u003eQFA2050D\/MO Room Humidity\/Temperature Sensor Hum MODBUS LCD Display (S55720-S509)\u003cbr data-mce-fragment=\"1\"\u003eQFA3160 Room Humidity\/Temperature Sensor Hum 0…10V; Temp 0…10V High Accuracy\u003cbr data-mce-fragment=\"1\"\u003eQFA3160D Room Humidity\/Temperature Sensor Hum 0…10V; Temp 0…10V High Accuracy LCD Display\u003cbr data-mce-fragment=\"1\"\u003eQFA3171 Room Humidity\/Temperature Sensor Hum 4…20mA; Temp 4…20mA High Accuracy\u003cbr data-mce-fragment=\"1\"\u003eQFA3171D Room Humidity\/Temperature Sensor Hum 4…20mA; Temp 4…20mA High Accuracy LCD Display\u003cbr data-mce-fragment=\"1\"\u003eQFA4160 Room Humidity\/Temperature Sensor Hum 0…10V; Temp 0…10V Very High Accuracy Calibration Certificate\u003cbr data-mce-fragment=\"1\"\u003eQFA4160D Room Humidity\/Temperature Sensor Hum 0…10V; Temp 0…10V Very High Accuracy Calibration Certificate LCD Display\u003cbr data-mce-fragment=\"1\"\u003eQFA4171 Room Humidity\/Temperature Sensor Hum 4…20mA; Temp 4…20mA Very High Accuracy Calibration Certificate\u003cbr data-mce-fragment=\"1\"\u003eQFA4171D Room Humidity\/Temperature Sensor Hum 4…20mA; Temp 4…20mA Very High Accuracy Calibration Certificate LCD Display\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"QFA2020 - Room Humidity\/Temperature Sensor Hum 0…10V; Temp LG-Ni1000","offer_id":46439378157866,"sku":"QFA2020","price":180.0,"currency_code":"AUD","in_stock":true},{"title":"QFA2050\/MO - Room Humidity\/Temperature Sensor Hum MODBUS (S55720-S508)","offer_id":46439378223402,"sku":"QFA2050\/MO","price":186.0,"currency_code":"AUD","in_stock":true},{"title":"QFA2050D\/MO - Room Humidity\/Temperature Sensor Hum MODBUS LCD Display (S55720-S509)","offer_id":46439378321706,"sku":"QFA2050D\/MO","price":231.0,"currency_code":"AUD","in_stock":true},{"title":"QFA2060 - Room Humidity\/Temperature Sensor Hum 0…10V; Temp 0…10V","offer_id":46439378190634,"sku":"QFA2060","price":185.0,"currency_code":"AUD","in_stock":false},{"title":"QFA2060D - Room Humidity\/Temperature Sensor Hum 0…10V; Temp 0…10V LCD Display","offer_id":46439378288938,"sku":"QFA2060D","price":232.0,"currency_code":"AUD","in_stock":true},{"title":"QFA2071 - Room Humidity\/Temperature Sensor Hum 4-20mA; Temp 4-20mA (S55720-S115)","offer_id":46439378256170,"sku":"QFA2071","price":265.0,"currency_code":"AUD","in_stock":true},{"title":"QFA3160 - Room Humidity\/Temperature Sensor Hum 0…10V; Temp 0…10V High Accuracy","offer_id":46439378354474,"sku":"QFA3160","price":299.0,"currency_code":"AUD","in_stock":true},{"title":"QFA3160D - Room Humidity\/Temperature Sensor Hum 0…10V; Temp 0…10V High Accuracy LCD Display","offer_id":46439378387242,"sku":"QFA3160D","price":366.0,"currency_code":"AUD","in_stock":true},{"title":"QFA3171 - Room Humidity\/Temperature Sensor Hum 4…20mA; Temp 4…20mA High Accuracy","offer_id":46439378420010,"sku":"QFA3171","price":299.0,"currency_code":"AUD","in_stock":true},{"title":"QFA3171D - Room Humidity\/Temperature Sensor Hum 4…20mA; Temp 4…20mA High Accuracy LCD Display","offer_id":46439378452778,"sku":"QFA3171D","price":370.0,"currency_code":"AUD","in_stock":true},{"title":"QFA4160 - Room Humidity\/Temperature Sensor Hum 0…10V; Temp 0…10V Very High Accuracy Calibration Certificate","offer_id":46439378485546,"sku":"QFA4160","price":1140.0,"currency_code":"AUD","in_stock":true},{"title":"QFA4160D - Room Humidity\/Temperature Sensor Hum 0…10V; Temp 0…10V Very High Accuracy Calibration Certificate LCD Display","offer_id":46439378518314,"sku":"QFA4160D","price":1143.0,"currency_code":"AUD","in_stock":true},{"title":"QFA4171 - Room Humidity\/Temperature Sensor Hum 4…20mA; Temp 4…20mA Very High Accuracy Calibration Certificate","offer_id":46439378551082,"sku":"QFA4171","price":1072.0,"currency_code":"AUD","in_stock":true},{"title":"QFA4171D - Room Humidity\/Temperature Sensor Hum 4…20mA; Temp 4…20mA Very High Accuracy Calibration Certificate LCD Display","offer_id":46439378583850,"sku":"QFA4171D","price":1143.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0795\/5120\/1578\/products\/QFA20.jpg?v=1689919586"},{"product_id":"qfmducthum","title":"Siemens - Duct Humidity Sensors - QFM Series","description":"\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0795\/5120\/1578\/files\/qfm2100_datasheet.pdf?v=1699241214\" target=\"_blank\"\u003e \u003cbutton class=\"product-form__submit button button--primary\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e \u003cspan class=\"text\"\u003eQFM21 Series Datasheet\u003c\/span\u003e\u003c\/button\u003e \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/sid.siemens.com\/v\/u\/A6V11837764\" target=\"_blank\"\u003e \u003cbutton class=\"product-form__submit button button--primary\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e \u003cspan class=\"text\"\u003eQFM2150 Series Datasheet\u003c\/span\u003e\u003c\/button\u003e \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/sid.siemens.com\/v\/u\/45159\" target=\"_blank\"\u003e \u003cbutton class=\"product-form__submit button button--primary\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e \u003cspan class=\"text\"\u003eQFM31 Series Datasheet\u003c\/span\u003e\u003c\/button\u003e \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/sid.siemens.com\/v\/u\/A6V11937475\" target=\"_blank\"\u003e \u003cbutton class=\"product-form__submit button button--primary\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e \u003cspan class=\"text\"\u003eQFM3150MO Series Datasheet\u003c\/span\u003e\u003c\/button\u003e \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0795\/5120\/1578\/files\/QBM81_datasheet.pdf?v=1699240932\" target=\"_blank\"\u003e \u003cbutton class=\"product-form__submit button button--primary\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e \u003cspan class=\"text\"\u003eQFM81 Series Datasheet\u003c\/span\u003e\u003c\/button\u003e \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eSiemens QFM Series Duct Relative Humidity and Relative Humidity \u0026amp; Temperature Sensors. Designed for applications demanding the highest level of humidity sensing, these sensors are your trusted partners for creating a comfortable and controlled environment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVariety of Models:\u003c\/strong\u003e Choose from a range of models to meet your specific needs. The QFM Series offers options for humidity-only monitoring (available in 5%, 2%, and certified accuracy) or combined humidity and temperature sensing (also in 5%, 2%, and certified accuracy).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDisplay Versions:\u003c\/strong\u003e For enhanced visibility and control, opt for display versions that provide real-time feedback on humidity and temperature changes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOutput Options:\u003c\/strong\u003e The humidity-only units are available with either a 4 to 20 mA or 0 to 10 Volt signal output. Combination humidity and temperature units are also available with dual current or voltage versions, ensuring seamless integration with your controller.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eReplaceable Sensing Tips:\u003c\/strong\u003e The 2% and certified accuracy models come equipped with removable sensing tips. These tips can be easily replaced without disrupting the installation or wiring, making them ideal for applications where measurement accuracy is crucial.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCertified Calibration:\u003c\/strong\u003e All certified sensors include a calibration certificate, guaranteeing reliable and accurate humidity measurements. Calibration is performed at three crucial points: 20%, 50%, and 85% relative humidity at 23°C.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications – Humidity Element:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMeasurement Range:\u003c\/strong\u003e Covering the full spectrum, these sensors can measure humidity from 0% to 100% relative humidity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAccuracy:\u003c\/strong\u003e Enjoy precision with accuracy levels as low as ±2% rh within the range of 0% to 95% rh, ensuring dependable results for critical applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTemperature Effect:\u003c\/strong\u003e Minimize the impact of temperature fluctuations with a temperature effect of less than 0.1% per degree Celsius.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSensing Element:\u003c\/strong\u003e These sensors utilize capacitive humidity sensing elements, known for their reliability and accuracy.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOutput Signals:\u003c\/strong\u003e Depending on your requirements, choose between 4 to 20 mA or 0 to 10 Vdc output for humidity-only units. Humidity and temperature units offer 0 to 10 Vdc or 4 to 20 mA outputs, ensuring your controller receives the data in the format you prefer.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePolarity Protection:\u003c\/strong\u003e Benefit from added safety with built-in polarity protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCalibration:\u003c\/strong\u003e Calibration is not needed for these sensors as they come with pre-calibrated accuracy.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTime Constant:\u003c\/strong\u003e Experience a rapid response to changes with a time constant of approximately 20 seconds in moving air.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePart Numbers:\u003c\/strong\u003e\u003cbr\u003eQFM2100 Duct Humidity Sensor 0…10V\u003cbr data-mce-fragment=\"1\"\u003eQFM2101 Duct Humidity Sensor 4…20mA\u003cbr data-mce-fragment=\"1\"\u003eQFM2150\/MO Duct Sensor Humidity\/Temperature Modbus RTU (S55720-S467)\u003cbr data-mce-fragment=\"1\"\u003eQFM3100 Duct Humidity Sensor 0…10V High Accuracy\u003cbr data-mce-fragment=\"1\"\u003eQFM3101 Duct Humidity Sensor 4...20mA High Accuracy\u003cbr data-mce-fragment=\"1\"\u003eQFM3150\/MO Duct sensor Humidity\/Temperature Modbus RTU High Accuracy (S55720-S468)\u003cbr data-mce-fragment=\"1\"\u003eQFM81.2 Duct Hygrostat 15…95%rh External Setpoint Adjustment\u003cbr data-mce-fragment=\"1\"\u003eQFM81.21 Duct Hygrostat 15…95%rh Internal Setpoint Adjustment\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"QFM2100 - Duct Humidity Sensor 0…10V","offer_id":46439376617770,"sku":"QFM2100","price":186.0,"currency_code":"AUD","in_stock":true},{"title":"QFM2101 - Duct Humidity Sensor 4…20mA","offer_id":46439376650538,"sku":"QFM2101","price":186.0,"currency_code":"AUD","in_stock":true},{"title":"QFM2150\/MO - Duct Sensor Humidity\/Temperature Modbus RTU (S55720-S467)","offer_id":46439376683306,"sku":"QFM2150\/MO","price":212.0,"currency_code":"AUD","in_stock":true},{"title":"QFM3100 - Duct Humidity Sensor 0…10V High Accuracy","offer_id":46439376716074,"sku":"QFM3100","price":252.0,"currency_code":"AUD","in_stock":true},{"title":"QFM3101 - Duct Humidity Sensor 4...20mA High Accuracy","offer_id":46439376748842,"sku":"QFM3101","price":252.0,"currency_code":"AUD","in_stock":true},{"title":"QFM3150\/MO - Duct sensor Humidity\/Temperature Modbus RTU High Accuracy (S55720-S468)","offer_id":46439376781610,"sku":"QFM3150\/MO","price":322.0,"currency_code":"AUD","in_stock":true},{"title":"QFM81.2 - Duct Hygrostat 15…95%rh External Setpoint Adjustment","offer_id":46439376814378,"sku":"QFM81.2","price":308.0,"currency_code":"AUD","in_stock":true},{"title":"QFM81.21 - Duct Hygrostat 15…95%rh Internal Setpoint Adjustment","offer_id":46439376847146,"sku":"QFM81.21","price":367.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0795\/5120\/1578\/products\/71xUe27xVXL._AC_UF894_1000_QL80.jpg?v=1689919593"},{"product_id":"qfmducthumtemp","title":"Siemens - Duct Humidity Sensors - QFM Series","description":"\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0795\/5120\/1578\/files\/qfm1660_datasheet.pdf?v=1699241366\" target=\"_blank\"\u003e \u003cbutton class=\"product-form__submit button button--primary\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e \u003cspan class=\"text\"\u003eQFM1660 Series Datasheet\u003c\/span\u003e\u003c\/button\u003e \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0795\/5120\/1578\/files\/qfm2100_datasheet.pdf?v=1699241214\" target=\"_blank\"\u003e \u003cbutton class=\"product-form__submit button button--primary\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e \u003cspan class=\"text\"\u003eQFM2100 Series Datasheet\u003c\/span\u003e\u003c\/button\u003e \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0795\/5120\/1578\/files\/QFM3100_DATASHEET.pdf?v=1699241583\" target=\"_blank\"\u003e \u003cbutton class=\"product-form__submit button button--primary\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e \u003cspan class=\"text\"\u003eQFM31 Series Datasheet\u003c\/span\u003e\u003c\/button\u003e \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/sid.siemens.com\/v\/u\/45159\" target=\"_blank\"\u003e \u003cbutton class=\"product-form__submit button button--primary\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e \u003cspan class=\"text\"\u003eQFM41 Series Datasheet\u003c\/span\u003e\u003c\/button\u003e \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eQFM Series Duct Humidity Sensors, designed for reliable and accurate air humidity and temperature measurements. These active sensors are engineered to provide the critical data needed for precise climate control, ensuring optimal comfort in your spaces.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible Power Options:\u003c\/strong\u003e The QFM Series sensors are versatile, supporting both AC 24 V and DC 19-30 V power supplies, making them adaptable to various HVAC systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDual Signal Outputs:\u003c\/strong\u003e Monitor air humidity and temperature simultaneously with separate DC 0-10 V signal outputs for each parameter. This flexibility allows for comprehensive climate control.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh Measuring Accuracy:\u003c\/strong\u003e Rest easy knowing your measurements are precise. These sensors offer an impressive ±0.5 K accuracy at 23°C and ±5% relative humidity accuracy within their measuring range.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBroad Range of Use:\u003c\/strong\u003e These sensors can operate effectively in conditions ranging from 0 to 50°C and 10 to 90% relative humidity (non-condensing), ensuring versatility in diverse environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Siemens QFM1660 is a powerful tool suitable for various heating, ventilating, and air conditioning (HVAC) controllers. Common applications include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVentilation systems\u003c\/li\u003e\n\u003cli\u003eAir conditioning equipment in commercial and residential buildings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHow It Works:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eRelative Humidity:\u003c\/em\u003e The QFM1660 utilizes a capacitive humidity sensing element to measure the relative humidity in the air duct. This sensitive element's electrical capacitance changes in response to variations in relative humidity. The sensor's electronic measuring circuit converts these changes into a continuous DC 0-10 V signal, representing a relative humidity range of 0-100%.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eTemperature:\u003c\/em\u003e Temperature measurements are achieved using a sensing element in the air duct. This element's electrical resistance changes according to temperature variations. The sensor promptly translates this resistance change into an active DC 0-10 V output signal, covering a temperature range of 0-50°C.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMechanical Design:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe duct sensor is thoughtfully designed for durability and practicality. It comprises a housing, a printed circuit board, connection terminals, and an immersion rod with a measuring tip. The measuring circuit resides within the housing's printed circuit board, while the connection terminals are located on the same board.\u003c\/p\u003e\n\u003cp\u003eThe sensing elements, crucial for accurate measurements, are positioned at the tip of the immersion rod and protected by a filter cap. Cable entry is facilitated via the included screwed cable gland (M16).\u003c\/p\u003e\n\u003cp\u003eThe sensor, featuring robust construction, is securely attached to the duct via direct screw installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Numbers:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eQFM1660 Basic Duct Humidity\/Temperature Sensor Hum 0…10V; Temp 0…10V (S55720-S198)\u003cbr\u003eQFM2120 Duct Humidity\/Temperature Sensor Hum 0…10V; Temp LG-Ni1000\u003cbr\u003eQFM2160 Duct Humidity\/Temperature Sensor Hum 0…10V; Temp 0…10V\u003cbr\u003eQFM2171 Duct Humidity\/Temperature Sensor Hum 4…20mA; Temp 4…20mA\u003cbr\u003eQFM3160 Duct Humidity\/Temperature Sensor Hum 0…10V; Temp 0…10V High Accuracy\u003cbr\u003eQFM3160D Duct Humidity\/Temperature Sensor Hum 0…10V; Temp 0…10V High Accuracy LCD Display\u003cbr\u003eQFM3171 Duct Humidity\/Temperature Sensor Hum 4…20mA; Temp 4…20mA High Accuracy\u003cbr\u003eQFM3171D Duct Humidity\/Temperature Sensor Hum 4…20mA; Temp 4…20mA High Accuracy LCD Display\u003cbr\u003eQFM4160 Duct Humidity\/Temperature Sensor Hum 0…10V; Temp 0…10V Very High Accuracy Calibration Certificate\u003cbr\u003eQFM4171 Duct Humidity\/Temperature Sensor Hum 4…20mA; Temp 4…20mA Very High Accuracy Calibration Certificate\u003cbr\u003e\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"QFM1660 - Basic Duct Humidity\/Temperature Sensor Hum 0…10V; Temp 0…10V (S55720-S198)","offer_id":46439376224554,"sku":"QFM1660","price":117.0,"currency_code":"AUD","in_stock":true},{"title":"QFM2120 - Duct Humidity\/Temperature Sensor Hum 0…10V; Temp LG-Ni1000","offer_id":46439376257322,"sku":"QFM2120","price":193.0,"currency_code":"AUD","in_stock":true},{"title":"QFM2160 - Duct Humidity\/Temperature Sensor Hum 0…10V; Temp 0…10V","offer_id":46439376290090,"sku":"QFM2160","price":184.0,"currency_code":"AUD","in_stock":true},{"title":"QFM2171 - Duct Humidity\/Temperature Sensor Hum 4…20mA; Temp 4…20mA","offer_id":46439376322858,"sku":"QFM2171","price":184.0,"currency_code":"AUD","in_stock":true},{"title":"QFM3160 - Duct Humidity\/Temperature Sensor Hum 0…10V; Temp 0…10V High Accuracy","offer_id":46439376355626,"sku":"QFM3160","price":266.0,"currency_code":"AUD","in_stock":true},{"title":"QFM3160D - Duct Humidity\/Temperature Sensor Hum 0…10V; Temp 0…10V High Accuracy LCD Display","offer_id":46439376388394,"sku":"QFM3160D","price":310.0,"currency_code":"AUD","in_stock":true},{"title":"QFM3171 - Duct Humidity\/Temperature Sensor Hum 4…20mA; Temp 4…20mA High Accuracy","offer_id":46439376421162,"sku":"QFM3171","price":266.0,"currency_code":"AUD","in_stock":true},{"title":"QFM3171D - Duct Humidity\/Temperature Sensor Hum 4…20mA; Temp 4…20mA High Accuracy LCD Display","offer_id":46439376453930,"sku":"QFM3171D","price":344.0,"currency_code":"AUD","in_stock":true},{"title":"QFM4160 - Duct Humidity\/Temperature Sensor Hum 0…10V; Temp 0…10V Very High Accuracy Calibration Certificate","offer_id":46439376486698,"sku":"QFM4160","price":1072.0,"currency_code":"AUD","in_stock":true},{"title":"QFM4171 - Duct Humidity\/Temperature Sensor Hum 4…20mA; Temp 4…20mA Very High Accuracy Calibration Certificate","offer_id":46439376519466,"sku":"QFM4171","price":1072.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0795\/5120\/1578\/products\/Get_9ceceda0-db87-463f-adf9-f4aac74ee89f.jpg?v=1689919596"},{"product_id":"qxacondmon","title":"Siemens -Condensation Monitor, ON\/OFF, AC\/DC 24V - QXA Series","description":"\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0795\/5120\/1578\/files\/QXA2100_datasheet.pdf?v=1699329073\" target=\"_blank\"\u003e \u003cbutton class=\"product-form__submit button button--primary\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e \u003cspan class=\"text\"\u003eQXA Series Datasheet\u003c\/span\u003e\u003c\/button\u003e \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eCondensation can wreak havoc on your HVAC systems, causing damage to chilled ceilings and other critical installations. With Siemens QXA Series Condensation Monitors, you can safeguard your HVAC investments effectively. These monitors are designed to detect and prevent condensation issues, ensuring your systems operate smoothly.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDamage Prevention:\u003c\/strong\u003e The QXA Series Condensation Monitors are your first line of defense against potential damage caused by condensation. By detecting rising humidity levels, they trigger preventive measures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible Switching:\u003c\/strong\u003e These monitors are equipped with an SPDT dry contact capable of switching 1 amp at 24 Vac or 0.5 amp at 24 Vdc. The switching point is set at approximately 95% relative humidity (rh) with a 5% rh switching differential.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVersatile Installation:\u003c\/strong\u003e Hardware is included for installation on pipes with outside diameters ranging from 10 to 100 mm (0.39 to 3.94 inches). The QXA2101 model even features a remote sensing element for hard-to-reach spaces.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eEquipment Combinations:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe QXA Series Condensation Monitors are compatible with 24V AC\/DC control circuits and can be wired as normally open (NO) or normally closed (NC) to provide advance warning of impending condensation issues.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTypical Applications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese monitors work by sensing relative humidity near the pipe's surface. When the relative humidity approaches the dew point, the SPDT relay changes state. The reset happens automatically when the relative humidity decreases to approximately 5% rh below the switching point.\u003c\/p\u003e\n\u003cp\u003eIn chilled ceiling applications, the monitors are wired in line with the 24V power supply to the chilled water valve actuator. As the relative humidity nears the dew point, the contact opens, interrupting power to the valve actuator. Proper operation requires a power-to-open valve actuator with spring return.\u003c\/p\u003e\n\u003cp\u003eThe QXA Series devices can also be deployed to prevent condensation on pipes and various HVAC system surfaces.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Requirements:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOperating Voltage: 24 Vac\/Vdc + 20%\u003c\/li\u003e\n\u003cli\u003eFrequency: 50\/60 Hz\u003c\/li\u003e\n\u003cli\u003ePower Consumption: Maximum 1 VA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSwitching Points:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSwitching Differential: ≈ 5% rh\u003c\/li\u003e\n\u003cli\u003eResponse Time in Static Air: 3 minutes (maximum)\u003c\/li\u003e\n\u003cli\u003eRelay Output: SPDT dry contact\u003c\/li\u003e\n\u003cli\u003eSwitching Capacity (24V): AC = 1 amp; DC = 0.5 amp\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnclosure:\u003c\/strong\u003e IP54 (≈NEMA 3)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eShipping Weight:\u003c\/strong\u003e 8 ounces (227 g)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePart Numbers:\u003c\/strong\u003e\u003cbr\u003eQXA2100 Condensation Monitor ON\/OFF AC\/DC 24V (S55770-T375)\u003cbr data-mce-fragment=\"1\"\u003eQXA2101 Condensation Monitor ON\/OFF AC\/DC 24V with Remote Sensor Head (S55770-T376)\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"QXA2100 - AC\/DC 24V","offer_id":45596744614186,"sku":"QXA2100","price":139.0,"currency_code":"AUD","in_stock":true},{"title":"QXA2101 - AC\/DC 24V with Remote Sensor Head","offer_id":45596744646954,"sku":"QXA2101","price":167.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0795\/5120\/1578\/products\/qxa2100_xl_1.jpg?v=1690248267"}],"url":"https:\/\/tecnologiashop.com.au\/collections\/siemens-humidity-sensors.oembed","provider":"Tecnologia Shop","version":"1.0","type":"link"}