• Detects upset conditions in compressed air systems
• Constantly monitors pressure and dew/frost point temperature
• Strobe lamp and pulsing audible alarms for low pressure or high dew/frost point alert
• Displays dew/frost point and pressure on panel meter
• NIST traceable calibration certificate
• Field replaceable Smart Sensor Tip
• Alarm relay and 4 to 20 mA outputs
• Complete system, ready for installation
• Compressed Air Monitoring and Alarm System
• Applications:
• Compressed air headers
• Point of use compressed air
• Dry air systems for critical process
• Monitoring fluidized bed dryers
• Monitoring instrument air systems
• Pharmaceutical packaging
• Laboratories and clean rooms
• Sensitive product storage
• Monitoring purge delivery systems

• Models:
• SENTRY 85: Provides strobe lamp and 85 dB pulsing audible alarm when high dew/frost point or low pressure condition is detected
• SENTRY 100: Provides strobe lamp and 100 dB pulsing audible alarm when high dew/frost point or low pressure condition is detected
• Measuring Range (HPP125 Sensor Probe):
• Standard Dew/Frost Point: -40°C to +95°C (-40°F to 203°F )
• Low Dew/Frost Point: -60°C to +95°C (-76°F to 203°F )
• Pressure: Up to 400 psia (0 to 27.6 bar)
• Accuracy:
• Dew/Frost Point: ±1°C for –10°C to 95°C and ±2°C for –60°C to –10°C
• Pressure: At 25°C, ±1 mbar from 600 to 1200 mbar; over -40°C to +125°C range, ±5 mbar
• General:
• Enclosure: IP65 water resistant/dust tight
• Dimensions: 5 in H x 5 in W x 4 in D (127 mm H x 127 mm W x 102mm D)
• Weight: 3 lb. (1.4 kg)
• Display: 2 Line LCD display of pressure and dew/frost point, LED Backlit
• Operating Temp.: 32°F to 122°F (0° to 50°C)
• Smart Sensor Probe: Connected to control module via 1 meter cable with quick connect
• Sample Connection: 1/2” Male NPT pipe fitting;
• Optional 3/4” or 1” male NPT pipe fitting
• Sample Pressure: Up to 400 psia (27.6 bar)
• Power & Outputs:
• Power: 90 to 230 Vac ±10%, 50 to 400 Hz, 3 meter power cord provided
• Analog Outputs: Two, 4 to 20 mA outputs: Pressure of compressed air at sensor probe in psia
• Dew/frost point at 1 atmosphere pressure
• Alarm Relay, 1 Form C, 3 A at 250 Vac; Alarm mode is low pressure or high dew/frost point

• (1) SENTRY Compressed Air Monitor
• (1) Instruction Manual

Brochure/Datasheet

Instruction Manual

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Note: Prices are not binding at any time subject to change without prior notice