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Oxygen Depletion Safety Alarm

RAD-0002 Oxygen Depletion Safety Alarm
Regular price $509.00 USD

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The RAD-0002 Oxygen Depletion Safety Alarm monitors oxygen deficiency in enclosed areas. Oxygen depletion alarms are required for occupants near pressurized tanks of liquid carbon dioxide, nitrogen, or argon.

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Pressurized system gas leaks can quickly displace oxygen and result in an oxygen deficient work area. The Oxygen Depletion Safety Alarm is ideal for facilities that use bulk inert gases such as cryogenics labs, scientific labs, factories, medical facilities and more.

This oxygen deficiency detector has both audible and visual alarms. 3 relays triggered with the alarms can control an HVAC system, send a notification to emergency first responders or update a management display. All alarm levels are user configurable to allow for specific applications.

Our oxygen depletion alarm is easy to install and use. Simply wall mount both the sensor unit and remote display (all cables and hardware included), plug the monitoring unit into a standard wall outlet, and the alarm is ready to protect the area from potential oxygen deficiency 24/7.


  • LuminOX oxygen sensor lasts for 5+ years
  • Sensor technology: Fluorescence Quenching by Oxygen
  • Easy to read, real-time digital display
  • Built-in 80dB audible and visual alarms
  • 3 configurable alarm relays
  • Reliable connections with standard Ethernet cable
  • Extend remote up to 300 feet from the main unit
  • 4-20 mA output to allow for remote display of gas levels
  • IP54 Enclosure - prevents water damage during wash-down
  • UL listed for compliance


RAD-0002: Oxygen Depletion Safety Alarm. Used in cryogenic, medical and industrial applications where nitrogen or other liquid gas tanks are used.

RAD-0022 Add-on Remote Display for RAD-0002 Oxygen Depletion Safety Alarm above. Order up to 2 additional add-on displays to cover 3 entrances. Uses industry standard RJ45 Ethernet cable (not included) to install up to 300 feet away.

RAD-0200-2: Oxygen Depletion + CO2 Safety Alarm. Use where both low oxygen level and high CO2 level alarms are required: restaurants, breweries or anywhere liquid carbon dioxide is stored. Uses RAD-0202-2 add-on display.

CM-1026: Dual Strobe Add On Kit. Attach a flashing strobe to both the sensor and remote display to give a more visual alarm. Used in high-noise environments or where required by an inspector.

CM-1026-5: 100-240 VAC Strobe Tower Add-On Kit - yellow, orange and red indicate alarm levels 1-3. Adds visual notice and high decibel alarm.

CM-1026-6: 24 VDC Strobe Tower Add-On Kit - same features as CM-1026-5 for 24 VDC hard-wired systems.


Oxygen Deficiency Alarm

  • Sensor Life Expectancy: 5+ years
  • Sensor Technology: Fluorescence quenching by Oxygen
  • 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

Carbon Dioxide Alarm

  • Sensor Life Expectancy: 15 years
  • Sensor Technology: NDIR Non-dispersive infrared
  • Measurement Range: 0-5% (50,000 ppm)
  • Alarms: 5,000 ppm TWA, 1.5% CO2, 3% CO2 (configurable).
  • Alarm Response Time: < 60 seconds
  • Operating Temperature: 0-50°C (32-122°F)
  • Calibration: Manual with test gas or factory calibration


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


    • 1 year - See GasLab Terms and Conditions. 

    Carbon dioxide Safety Alarm RAD-0002 Data Sheet (pdf)

    Manual Storage Safety Alarm RAD-0002 Manual (pdf)

    Manual Storage Safety Alarm RAD-0200-2 DataSheet (pdf)

    Manual Storage Safety Alarm RAD-0200-2 Manual (pdf)

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


    Installation Installation (same as CO2 alarm except that oxygen depletion alarm should be mounted 48 inches off the floor).

    Fan relay Relay Controlled Exhaust Fan (same wiring as CO2 alarm).

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    "Swift response and shipment. The product is easy to setup and use. It is just what I was looking for."

    - Shima Tomohiro

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