Produal - DPT Flow Meter
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DPT-Flow - Air flow and velocity transmitter

Description: The DPT-Flow air flow transmitters are tailored for building automation systems, offering advanced measurement capabilities for volume flow, velocity, static pressure, and differential pressure. These transmitters are engineered to directly connect to the pressure measurement points of centrifugal fans, ensuring precise flow measurement. The user-friendly interface facilitates easy selection of settings based on the chosen fan or measurement probe.

Key Features and Selectable Functions:

  • Measurement and monitoring of in-duct volume flow, velocity, or differential pressure
  • Measurement and monitoring of air flow across centrifugal fans
  • Multiple selectable measurement units
  • Voltage or current output options
  • Optional automatic zeroing function (-AZ models)
  • Optional low-temperature resistance (-40°C models)

The -AZ models come equipped with an automatic zeroing function that resets the pressure measurement every 10 minutes. This feature ensures the accuracy of the transmitter's zero point by automatically compensating for any potential zero point drift, thus minimizing the need for manual zeroing by service personnel.

Technical Specifications:

  • Supply: 24 Vac/dc (22...26 V)
  • Power Consumption:
    • < 1 VA
    • < 4 VA for -40°C models (when temperature is below 0°C)
  • Pressure Measurement Range:
    • -1000 models: 0...1000 Pa / custom setting
    • -2000 models: 0...2000 Pa / custom setting
    • -5000 models: 0...5000 Pa / custom setting
    • -7000 models: 0...7000 Pa / custom setting
  • Accuracy (25°C):
    • -1000 and -2000 models:
      • Pressure < 125 Pa: ±1% ±2 Pa
      • Pressure > 125 Pa: ±1% ±1 Pa
    • -5000 and -7000 models:
      • Pressure < 125 Pa: ±1.5% ±2 Pa
      • Pressure > 125 Pa: ±1.5% ±1 Pa
  • Time Constant: 1...20 s
  • Zero Point Calibration:
    • Manual with push button
    • Automatic for -AZ models
  • Max. Over Pressure: 30 kPa
  • Connection: Ø5 mm / Ø6.3 mm
  • Medium: Dry air or non-aggressive gas
  • Output:
    • 0...10 / 2…10 Vdc, > 1 kΩ
    • 4…20 mA, load 20...500 Ω
  • Display: Backlit dot matrix display
  • Wiring Terminals: 1.5 mm2
  • Operating Conditions:
    • Temperature: -20...50°C
    • Temperature (-AZ models): -5...50°C
    • Temperature (-40°C models): -40...50°C
    • Humidity: 0...95 %rH (non-condensing)
  • Housing:
    • Material: ABS and PC plastic
    • Protection Class: IP54
    • Cable Gland: M16
  • Mounting: 2 x Ø4.3 mm screw holes, one slotted
  • Dimensions (w x h x d): 90 x 95 x 36 mm
  • Weight: 150 g

Part Numbers:
DPT-Flow-1000-D - Flow Meter 1000Pa Display Man.
DPT-Flow-1000-AZ-D - Flow Meter 1000Pa Display Az
DPT-Flow-1000-D-40C - Flow Meter 1000Pa Display Man.
DPT-Flow-2000-D - Flow Meter 2000Pa Display Man.
DPT-Flow-2000-AZ-D - Flow Meter 2000Pa Display Az
DPT-Flow-2000-D-40C - Flow Meter 2000Pa Display Man.
DPT-Flow-5000-D - Flow Meter 5000Pa Display Man.
DPT-Flow-5000-AZ-D - Flow Meter 5000Pa Display Az
DPT-Flow-5000-D-40C - Flow Meter 5000Pa Display Man.
DPT-Flow-7000-D - Flow Meter 7000Pa Display Man.
DPT-Flow-7000-AZ-D - Flow Meter 7000Pa Display Az
DPT-Flow-7000-D-40C - Flow Meter 7000Pa Display Man.
DPT-Flow-MOD-7000-D - Air Flow Transmitter Modbus
DPT-Flow-MOD-7000-AZ-D - Air Flow Transmitter Modbus
DPT-Flow-MOD-7000-D-40C - Air Flow Transmitter Modbus
DPT-Flow-MOD-2500-D - Air Flow Transmitter Modbus
DPT-Flow-MOD-2500-AZ-D - Air Flow Transmitter Modbus
DPT-Flow-MOD-2500-D-40C - Air Flow Transmitter Modbus


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