Remote Oxygen Depletion Safety Alarm

Remote Oxygen Depletion Safety Alarm
Regular price $595.00

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The Remote Oxygen Depletion Safety Alarm is designed to protect customers and workers near stored inert gases like Nitrogen, Argon, and others. Low oxygen alarms are critical in cryogenics, cryotherapy, food production facilities, process cooling, or in any enclosed space where inert gases are stored.

  • Wired O2 Monitor & Remote Display
  • Measures O2 concentrations from 0-25%
  • User configurable for specific applications

The Monitor has both audible and visual alarms. 3 built-in relays are triggered at 19%, 17%, and 15% respectively that can control an exhaust fan or send an alarm to the fire department or monitoring company. The alarm levels are user configurable to allow for specific applications.

The Oxygen Depletion Safety Alarm is easy to install and use. Simply mount both units on the wall (all cables and hardware included), plug the monitoring unit into a standard wall outlet, and the alarms are ready to protect your customers and employees.


RAD-0002Remote Oxygen Depletion Safety Alarm

CM-1026 - Dual Strobe Add On Kit

RAD-0022 - Additional Remote Display (Supports up to 3 total) 


  • New faster-responding sensor uses latest oxygen sensing technology
  • More flexible - extend remote up to 300 feet from the main unit
  • Reliable connection with standard Ethernet cable (25 ft. included)
  • Large display clearly indicates current O2 level and temperature
  • 3 relays automatically control fans to ventilate confined spaces
  • 4-20 mA output to allow for remote display of values
  • 88dB audible and visual alarms on both units
  • IP54 Enclosure - prevents water damage during wash-down
  • 100% clean look – all cables can be hidden


  • Measurement Range: 0-25% Oxygen Sensor
  • Alarms: 19%, 17%, 15% O2 (configurable).
  • Alarm Response Time: < 60 seconds
  • Operating Temperature: 0-50°C (32-122°F)
  • Calibration: Manual with test gas or factory calibration
  • Sensor Life Expectancy: 5 years


  • Power Supply: 110-240VAC to 6VDC Adapter 
  • 24VDC hard-wired power option (cable included)
  • Power Consumption: 3 Watts
  • 6VDC battery backup connections
  • Relays: Peak Current < 2A @ 30VDC or 250VAC, SPDT
  • Relay Color Coding:   Red & White = Normally Open   Blue & White = Normally Closed


    • 1 year - See CO2Meter Terms and Conditions 


    Carbon dioxide Safety Alarm Data Sheet (pdf)

    Manual Storage Safety Alarm Manual 8.5x11" Paper (pdf)

    Manual Storage Safety Alarm Manual A1" Paper (pdf)

    Safety Alarm fan circuit Exhaust Fan Relay Wiring Diagram (pdf)  

    Frequently Asked Questions Remote Oxygen Depletion Safety Alarm RAD-0002 FAQs (pdf)

    Oxygen Safety Alarm Hard Wiring your Monitor (pdf)

    Remote O2 Storage Safety 3 Alarm Hard Wiring Multiple RADs to Strobe Tower (pdf)

    Remote O2 Storage Safety 3 Alarm Hard Wiring Multiple RADs to Solenoid Valve (pdf)

    Remote O2 Storage Safety 3 Alarm Hard Wiring Multiple RADs to Strobe Tower/Solenoid Valve (pdf)

    Gas Monitoring in Scientific Applications Landing Page Gas Monitoring in Science Landing Page

    How to create your own CAT-5 Cable How to Create Your Own CAT-5 Cable



    CM-1026 - Dual Strobe Add On Kit. Attach a flashing strobe to both the Sensor Unit and the Remote Display Unit to give a more visual alarm. Great for high-noise environments. Some local fire codes also require this. Call to see if your local municipality requires these.6

    CM-0126-5, 6 - Strobe Tower Add On Kit. The Strobe tower gives a visual indicator of which of the 3 alarms were triggered as well as providing a louder alarm. Both 110-224VAC and 24VDC models available. Order online here.

    RAD-0022 - Additional Remote Display. The Sensor display unit comes with one remote display that can be placed up to 300ft. away using Cat5 or greater Ethernet cable (28ft. included in box). Purchase one or two additional remote displays, then daisy-chain them so long as the total run is less than 300 ft.

    GAS-0202 Calibration kit with 99.9% nitrogen cylinder, 21% oxygen cylinder, regulator, and tubing. Contact us for more information

    Customer Reviews

    Based on 11 reviews



    Very easy

    O2 alarm

    Easy to install, works great.


    Remote Oxygen Depletion Safety Alarm

    oxy depletion monitors

    a little disappointed that it doesn't include the signage that is included with the CO2 meters. I'll have to make custom signs so the customer knows what to do in the event of an alarm. Leaves a bit to be desired.

    "Easy to install, easy to set up, and easy calibration - just what I was looking for."

    - Phillip Farrar
    Water Plant Superintendent

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