CQT Chilled water differential pressure display

The values shown below reflect the reading of the metering device at the indicated date/time.

LocationDate
MM/DD/YY
Time
hh:mm:ss
Sensor reading
VoltageCurrentΔp
AHU210/14/2506:44:021.5662 V8.701 mA0.881 bar / 12.78 psi

The differential pressure sensor (DPT-10 from WIKA) is calibrated to cover a full range of 3 bar for a current of 4..20mA.

The current is converted to the measured voltage through a sense resistor of 180 Ohm.

Meter installation date:

Show differential pressure and inferred CHW flow trend for unit where possible AHU1 | AHU2

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