SERIES DPT-R8-3W

AEROSENSE DIFFERENTIAL PRESSURE TRANSMITTER

DPT

Aerosense
LOW PRESSURE DEVICES

Image for DPT-R8-3W-D

Zero-point adjustment Technical data

Note! Supply voltage must be connected one hour before the Service: Air and non-aggressive gases
0-point adjustment is carried out. Measuring element: Piezoresistive
Accuracy: 0.8%, or (1% <250 Pa)
1) Loose both tubes from the pressure inlets + and
Measuring unit: Selectable by jumper (Pa, kPa, mbar,
2) Push zero button until the red led turns ON. inchWC, mmWC, psi)
3) Wait until LED turns off and then install tubes again to the Response Time: 0.8 / 4 s selectable by jumper
pressure inlets. Max pressure: 400 kPa
It is recommended to adjust the zero point every 12 months Electrical interface:
during normal operation. Supply voltage: 24 VAC or VDC 10%
Power consumption: <1.0 W (<1.5W with Iout 20mA)
* If the transmitter is equipped with automatic zero element the
Output signal:
manual push button adjustment is not required. 010 VDC, Load R minimum 1kor
420 mA, maximum load 500
Optional auto zero element Materials:
AZ-calibration is a function in the form of an automatic zeroing circuit built into Housing: ABS
Cover: PC
the PCB. The AZ-calibration electronically adjusts the transmitter zero at
Pressure connections: ABS
predetermined time intervals (every 10 minutes). The AZ-calibration
eliminates all output signal drift due to thermal, electronic or mechanical Connections:
effects, as well as the need for technicians to remove high and low pressure Electrical connections: 4 screw terminals, max 1.5 mm2
tubes when performing initial or periodic transmitter zero point calibration. Cable entry: M16
Pressure connections: Male 5,0 mm and 6,3 mm
The AZ adjustment takes 4 seconds. To avoid conict with the BAS system, Weight: 150 g
the output and display values will freeze to the latest measured value, after Dimensions: 90,0 x 71,5 x 36,0 mm
which the device returns to its normal measuring mode. Transmitters General ambient condition:
equipped with the AZ-calibration are virtually maintenance free. Temperature range:
- Operation -10+50C (-5+50C for AZ model)
- Storage: -20+70C
Model Model Model
- Ambient humidity: 0 to 95% RH
DPT250-R8-3W DPT2500-R8-3W DPT7000-R8-3W
0-25 Pa 100-0-100 Pa 0-1000 Pa Safety:
Measuring Ranges

0-50 Pa 0-100 Pa 0-1500 Pa Protection standard: IP54

Conformance: Meets the requirements for CE marking:
0-100 Pa 0-250 Pa 0-2000 Pa
- EMC directive 2004/108/EY
0-250 Pa 0-500 Pa 0-2500 Pa - Rohs Directive 2002/95/EY
25-0-25Pa 0-1000 Pa 0-3000 Pa
Optional Accessories:
50-0-50 Pa 0-1500 Pa 0-4000 Pa
Plastic Pressure Tips
100-0-100 Pa 0-2000 Pa 0-5000 Pa
2m Tubes
150-0-150 Pa 0-2500 Pa 0-7000 Pa

Add - D to end of Model with Display For e.g. DPT250-R8-3W-D

Add - AZ to end of Models with Auto-Zero facility For e.g. DPT250-R8-3W-AZ
Add - AZ - D to end of Models with Display and Auto-Zero facility For e.g. DPT250-R8-3W-AZ-D
Installation ZEROING: Press the bu on

LED: Turns ON
Zeroing

Model DPT2500
100Pa 100Pa 250Pa 500Pa
Jumper 1
Jumper 2
Jumper 3

1000Pa 1500Pa 2000Pa 2500Pa

Jumper 1
Jumper 2
Jumper 3

Model DPT7000
Jumper 1 1000Pa 1500Pa 2000Pa 2500Pa
Jumper 2 Jumper 1
Jumper 3 Jumper 2
Jumper 3
Jumper 4
Jumper 5 3000Pa 4000Pa 5000Pa 7000Pa
Jumper 6 Jumper 1
Jumper 2
Jumper 3

0.8 s 4.0 s
Electrical Connection: Jumper 4 Set response time
Select unit Note: Measuring unit
0-10V Output 010 V Jumper 5 can be change
4-20mA Output 420 mA pressing bu on when
24V Supply 24 VAC or VDC Jumper 6 Not in use Jumper 5 is placed.
GND Ground Please remove
jumper a er se ng.