Siemens - Cable Temperature Sensor - QAZ Series
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Cable Temperature Sensors QAZ21.682/101

Description: The Cable Temperature Sensors QAZ21.682/101 are designed for acquiring the medium temperature in refrigeration plants. They can be used as strap-on sensors with cable ties or as immersion sensors with a protection pocket. These sensors are particularly useful for controlling or limiting the medium temperature in refrigeration plants, including applications such as acquiring suction gas temperature and controlling superheat. They are compatible with controllers designed to work with LG-Ni 1000 sensing elements.

Key Functions:

  • Temperature Sensing: The sensor acquires the medium temperature, with the resistance value of the sensing element changing in response to temperature fluctuations.
  • Compatibility: Designed to work with controllers operating with LG-Ni 1000 sensing elements for further handling of temperature data.
  • Strap-On or Immersion: Can be used as strap-on sensors with cable ties or as immersion sensors with a protection pocket, offering flexibility in installation.

Technical Data:

  • Sensing Range: 50 to +80 °C
  • Sensing Element: LG-Ni 1000
  • Time Constant:
    • Sensor when fitted on the pipe: <20 s
    • Sensor with protection pocket: <30 s
  • Measuring Accuracy at 0 °C: ±0.4 K
  • Measurement and Output: Passive
  • Mechanical Installation: Cable tie (2x)
  • Electrical Connections: Connecting cable with ferrules
  • Connecting Cable: Silicon, approximately 1.5 m in length
  • Degree of Protection: Protection class III according to EN 60730-1, IP67 according to EN 60529
  • EU Conformity (CE): A5W00040799
  • Operation to Climatic Conditions: Temperature: 50 to +80 °C, Humidity: 10 to 100 % r. h.
  • Transport to Climatic Conditions: Temperature: 50 to +80 °C, Humidity: <100 % r. h.
  • Product Environmental Declaration: CE1E1701en contains data on environmentally compatible product design and assessments, including RoHS compliance, materials composition, packaging, environmental benefits, and disposal.
  • Sensor Sleeve Material: Stainless steel V4A (1.4571)
  • Packaging: PVC (minigrip bag), weight: 0.075 kg

Use Cases:

  • Ideal for acquiring medium temperature in refrigeration plants, including controlling suction gas temperature and superheat.
  • Suited for use with controllers designed to work with LG-Ni 1000 sensing elements.
  • Can be installed as strap-on sensors with cable ties or as immersion sensors with a protection pocket, providing versatility in refrigeration plant applications.

Part Numbers:
QAZ21.682/101 Cable Temperature Sensor LG-Ni1000 -50…80°C 2m

Frequently Bought Together

Total price $666.00