Digital Differential Pressure Indicator

Description :

The STYRAX “Differential Pressure Indicator” is specially designed to indicate the pressure difference between two different areas. The large 4 digit, 0.56” 7 segment LED display is easy to read, even from a distance. Alarm Maximum, high and low, set limit can be configured, which can help the user to monitor the DP and to take necessary actions to maintain the room conditions as per the requirement or application. Differential Pressure Indicator displays and data transfers to any master device on MODBUS RTU RS-485 communication. It has keypad to programming the instrument by user. It has Stainless steel Modular Face plate, which is designed as a mounting accessory for monitor suited for Modular wall Clean Room applications where you need flush mounting mechanism.

Features :

  • Advanced Microcontroller based DP measurement.
  • Software programmable channel ranges, units & resolution.
  • 4 Digit, 0.56” bright LED display for displaying differential pressure.
  • Process parameter status indication with LEDs.
  • Process value violations display indication.
  • User selectable set limits for process value violation.
  • Inbuilt buzzer to audible process value violation.
  • Password protection for programming mode.
  • Software Calibration.
  • Proximity keypad to program DPI105DI and DPI105DE.

Specifications :

Input Type Inbuilt Sensor/4-20mA/0 to 10VDC.
Measuring Ranges -105.4 to 105.4mmWC,
-1034 to 1034 Pascal's and 8 types of units with equivalent values.
Accuracy ±1.5% for all units.
Resolution 0.1mmWC,1Pascal's.
Power Supply 24VDC.
3-different ports are available, user can choose any two ports to measure differential pressure.
Model No Input Type Display Dimensions
DPI105M Inbuilt Sensor 0.56" 110 X 90 X 35
DPI105E 4--20mA/0 - 10VDC 0.56" 110 X 90 X 35
DPI105ID Inbuilt Sensor 0.56" 170 X 38
DPI105DE 4 - 20mA / 0 - 10VDC 0.56" 170 X 38


Styrax Instruments India Pvt. Ltd., has been one of the prominent manufacturers and suppliers of Process Measure and Control Systems, Clean room Interlocking Systems, Automation Solutions and hi-tech security and access control systems.

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STYRAX Instruments India Pvt Ltd.
H.No: 2-77, Near Gajularamaram Chowrastha,
Gajularamaram, Hyderabad - 500055.
Telangana, India.
Mobile :
+91 9989222456 (Director Sales)
+91 9640447474 (Head Operations)
+91 9248068489 (Asst. Manager Sales)
+91 9248068487 (Coordinator Sales)