🚀 INDUSTRIAL: Heavy duty fixed gas detector O2 range 0-30%. USA NIST traceable calibrated in Los Angeles. 🌎 USE: Remote Control up to 8 meters, Analog Output (4-20mA), 2 x relay alarm triggered switch (50W) to control strobe lights, ventilation, electrical items, doors or additional alarms. 🎆 FEATURES: Large LED alarm and buzzer. Adjustable audio, visual alarms. 💪 ROBUST: Explosion, dust, water and flame proof. Explosion proof grade ATEX certified Ex d ⅡC T6 Gb / IP66. 🕵️ TRUST: ** 1 year limited warranty ** Arrives with calibration and QA certificate ** 100% product test and verification in the USA ** 100% quality guaranteed ** Heavy-duty industrial fixed OXYGEN O2 gas detector for continuous detection makes it perfect for an inert gas environment, argon, nitrogen, or CO2 use areas or storage facilities where oxygen may be depleted. Often required by factories, nitrogen therapy, nitrogen processing, sterilization, cleaning, livestock, and many others. In addition to a warning/alarm function the detector can be used to switch ON/OFF electrical equipment up to 50W power by setting Low Alarm and High Alarm to trigger 2 x 50W relays, perfect for Strobe Light, FAN CONTROL, VENTILATION CONTROL and other devices. Arrives with calibration and QA certificate. The Fixed Gas Detector comes with the Fixed Gas Detector, English Manual, Remote Control with Battery, HEX Key to remove cover, 24V power adapter to plug to 110V outlet and wiring, Calibration/QA certificate. Remote Control up to 8 meters, Analog Output (4-20mA) & RS485, Relay alarm triggered switch (50W) to control fans, pumps, garage doors or additional alarms. Alarm digital time stamp and logging of 1000 data points. Remote Control. Sensor lifetime: 2-3 years. Multi-language options. Explosion, dust, water and flame proof. Detection range of OXYGEN O2 gas is 0-30%, 0.1ppm resolution within 20 seconds at an accuracy of < +/- 5% F.S. Specifications: Explosion proof grade: Exd ⅡC T6 Gb, IP 65 protection, Response time: