DPFM2 : Differential Pressure Indicator

Model : DPFM2
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Description :

Differential Pressure Indicators are Digital Readout Magnahelic Gauges suited for application in Laminar Air Flow Cabinets, Clean Rooms, Biosafety Cabinets, AHUs, etc.

Differential Pressure Indicators are part replacement for the Analog Magnahelic Gauges & are easy to use with clear 4 digit LED Display. It comes with built in sensor & also a buzzer alarm with acknowledgement facility for process violation alert

Salient features include Unit Conversion at the press of a key between mm.W.C. & Pascals, integrated buzzer alarm for set point violation, Offset provision to meet Audit requirements , analog 4-20mA Output, 40 mm. Depth for Clean Room Modular Wall Fitment & RS 485 Modbus communication for BMS / SCADA/PLC integration.

Additional information

Pressure Measuring Range

-10.0 to +10.0 mm.W.C./-25.0 to +25.0 mm.W.C.
-50.0 to +50.0 mm.W.C./0.0 to +100.0 mm.W.C.
-100 to +100 Pascals/-250 to +250 Pascals
0 to 10, 25, 50, 100, 200, 300, 500, 1000 Pascals
(Any other range factory set as per customer specifications )

Maximum Over Pressure

: 2 Times the rated pressure


Integrated 3 Digit Red LED 7 Segment Display 0.8” High


Integrated High Speed Differential Pressure Sensor
(2 Channel)


: 1 Pascals / 0.1 mm.W.C.


24 Volts D.C. Typical, Optional 230VAC

Output (Optional)

: 4–20 mA Isolated


: Air or Gases ( Non Corrosive )


: +/- 0.5% of Full Scale


: Built in Buzzer Alarm for Process Violation Alert


: Instrument Enclosure is in 75x70x40 mm. (Wx Hx D)
with Basic Imported Sensor


: 2 Nos. Hose Nipples of 4mm. Stainless Steel at the

Communication (Optional)

: Isolated RS485 Modbus Protocol