dpi

electrionic differential pressure switch and transmitter

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DPI

The DPI is an electronic differential pressure switch and transmitter with up to two relay outputs.

 

USAGE & APPLICATIONS

The DPI is used for measuring and indicating low pressures of air and non-combustible gases in order to monitor and control building automation, HVAC and cleanroom systems.

Technical Specifications

Accuracy (from FS):

Long term stability, typical 1 year:

Zero point calibration:


Supply voltage:


Current consumption:


Output signals:


Operating temperature:

Response time:

 

Protection standard:

±1.5 % (±0.7 % with span point calibration) (including: general accuracy, temperature drift, linearity, hysteresis, and repetition error)

±1 Pa (±8 Pa without autozero element -AZ)

automatic with autozero element (-AZ) or by using the buttons on the lid

21–35 VDC / 24 VAC ±10 % (without -AZ option)

24 VDC ±10 % / 24 VAC ±10 % (with -AZ option)

35 mA + relays (7 mA each) + AZ (20 mA) + 0…10 V output (10 mA)

0…10 V, L min 1 kΩ

Relay output 1 (250 VAC / 30 VDC / 6 A)

Optional relay output 2 (250 VAC / 30 VDC / 6 A)

-10…+50 °C (with autozero calibration -5...+50 °C)

0.5...10 s

 

IP54