Aerosense Series DPT-R8-3W Differential Pressure Transmitter

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Product Description

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