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Temperature Transmitter Application
Process industry Industrial furnace construction and the thermal industry Plant construction and mechanical engineering Food industry Pharmaceutical industry Cooling systems Heating and air conditioning Plastics industry Renewable energy Water and wastewater
Pressure Transmitter Applications
Monitoring of gaseous, non-aggressive media. Possible usage areas are: • Building automation and air conditioning systems • Overpressure measurement in clean rooms and laboratories • Measurement of constant pressure in VAV applications • Dynamic filter and ventilator monitoring.
Occupancy Sensor Applications
Education, Healthcare, Hospitality, Industrial, Retail

Aerosense Series DPT-R8-3W Differential Pressure Transmitter

Series DPT-R8-3W Differential Pressure Transmitter Monitors Pressure
The Series DPT-R8-3W Differential Pressure Transmitter is an extremely versatile transmitter for monitoring pressure. The compact package is loaded with features such as 8 selectable ranges, 2 selectable outputs, optional display and optional Auto-Zero feature which electronically adjusts the transmitter zero at predetermined time intervals (every 10 minutes). The Auto-Zero adjustment takes 4 seconds.

The AZ calibration eliminates all output signal drift due to thermal, electronic or mechanical effects. Optional display and Auto-Zero feature available.

Product Applications:

 

  • Building pressure monitoring
  • Duct pressure monitoring
  • Filter condition monitoring

 

Note! Supply voltage must be connected one hour before the 0-point adjustment is carried out.

  • Loose both tubes from the pressure inlets + and -
  • Push zero button until the red led turns ON.
  • Wait until LED turns off and then install tubes again to the pressure inlets.

It is recommended to adjust the zero point every 12 months during normal operation.

If the transmitter is equipped with automatic zero element the manual push button adjustment is not required.

AZ-calibration is a function in the form of an automatic zeroing circuit built into the PCB. The AZ-calibration electronically adjusts the transmitter zero at predetermined time intervals (every 10 minutes). The AZ-calibration eliminates all output signal drift due to thermal, electronic or mechanical effects, as well as the need for technicians to remove high and low pressure tubes when performing initial or periodic transmitter zero point calibration.

The AZ adjustment takes 4 seconds. To avoid conflict with the BAS system, the output and display values will freeze to the latest measured value, after which the device returns to its normal measuring mode. Transmitters equipped with the AZ-calibration are virtually maintenance free.

  • Service: Air and non-aggressive gases Measuring element: Piezoresistive Accuracy: ±0.8%, or (±1% <250 Pa)
  • Measuring unit: Selectable by jumper (Pa, kPa, mbar, inchWC, mmWC, psi)
  • Response Time: 0.8 / 4 s selectable by jumper Max pressure: 400 kPa
  • Electrical interface :
    • Supply voltage: 24 VAC or VDC ± 10 %
    • Power co nsumption: <1.0 W (<1.5W with lout 20mA)
  • Output signal :
    • 0...10 VDC, Load R minimum 1 kQor
    • 4...20 mA, maximum load 500Q
  • Materials:
    • Housing: ABS
    • Cover: PC
    • Pressure connections: ABS
  • Connections:
    • Electrical co nnections: 4 screw terminals, max 1.5 mm2
    • Cable entry: M16
    • Pressure connections: Male 5,0 mm and 6,3 mm Weight: 150 g
  • Dimensions: 90,0 x 71,5 x 36,0 mm
  • General ambient condition:
    • Temperature range:
    • Operation -10...+50°C (-5...+50°C for -AZ model)
    • Storage: -20...+70°C
    • Ambient humidity: 0 to 95% RH
  • Safety:
    • Protection standard: IP54
    • Conformance: Meets the requirements for CE marking:
    • EMC directive 2004/108/EY
    • Rohs Directive 2002/95/EY
  • Optional Accessories:
    • Plastic Pressure Tips
    • 2m Tubes

Model DPT250-R8-3W-D

Model DPT2500-R8-3W-AZ

Model DPT7000-R8-3W-AZ-D

0-25 Pa

100-0-100 Pa

0-1000 Pa

0-50 Pa

0-100 Pa

0-1500 Pa

0-100 Pa

0-250 Pa

0-2000 Pa

0-250 Pa

0-500 Pa

0-2500 Pa

25-0-25Pa

0-1000 Pa

0-3000 Pa

50-0-50 Pa

0-1500 Pa

0-4000 Pa

100-0-100 Pa

0-2000 Pa

0-5000 Pa

150-0-150 Pa

0-2500 Pa

0-7000 Pa