SENTRY - Compressed Gas Alarm System

Manufactured by EdgeTech Instruments


  • Detects Upset Conditions in Compressed Air System
  • Constantly Monitors Pressure and Dew Point
  • Strobe Lamp and Pulsing Audible Alarms for Low Pressure or High Dew Point Detection
  • Displays Dew Point and Pressure
  • NIST Traceable, field-replaceable Smart Sensor Tip
  • Alarm Relay Output and 4-20mA Outputs
  • Plug n’ Play Operation
The SENTRY includes the following:
  • Two Line Display indicating DewPoint, Pressure, and Temperature
  • Factory Set Alarm Points for pressure and dew point
  • Simulated Strobe & Pulsed Beep for Loss of pressure or High Dew Point (based on the set points)
  • Universal Power Supply (90-240VAC, 50/60Hz) with 10’ (3 meter) power cord, installed
  • 3’ (1 meter) long smart sensor probe cable, installed
  • HPP125 multi-sense probe with sintered metal filter (100 micron)
  • (2) 4-20mA output signals: (1) for pressure and (1) for Dew Point, factory set
  • (1) alarm relay contact (C, NO) for loss or pressure/ high dew point alarm, factory set
  • IP65 (water resistant) design
  • RS-232 serial interface available for reconfiguration of alarms or 4-20mA output
  • Model 85 features 85dB audible pulsed beep; Model 100 features 100dB audible pulsed beep
  • Model 85 features alarm disable switch; Model 100 features audible mute switch
  • Operation/ Installation manual, 1 year Limited Warranty, & NIST Traceable Calibration Certificate