Differential Pressure Indicators are digital readout differential pressure gauges suited for application in laminar air flow cabinets, clean rooms, biosafety cabinets, AHU, 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 io meet audit requirements, 30 mm. Depth for clean room modular wall fitment & RS 485 modbus communication for BMS / SCADA / PLC integration. Ace Instruments LED pressure indicator for filter performance testing, digital manometer for clean air and ventilation systems, precision pressure sensor for pharmaceutical and laboratory use, AI-DP1-LED differential transmitter for air handling and BMS systems, industrial pressure measurement device for automation control, Ace Instruments pressure transmitter for cleanroom and filter monitoring