{"product_id":"oxygen-o2-gas-meter-0-to-25-30-vol","title":"Oxygen (O2) Gas Meter, 0 to 25%\/30% VOL","description":"\u003cdiv class=\"short-description\"\u003e0 to 25%\/30% VOL, Oxygen O2 Gas Detector easy to carry. With a rapid response time of ≤10 seconds, you can trust it to alert you to potential hazards promptly. Sound, light, vibration alarm, high and low alarm values can be set by yourself.\u003c\/div\u003e\n\u003cdiv class=\"short-description\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"short-description\"\u003e\n\u003cp\u003eDesigned for ultimate convenience, the oxygen gas monitor is maintenance-free and provides up to two years of continuous protection. Like its predecessor, it requires no calibration, sensor replacements, battery changes, or recharging, saving you valuable time and resources. Whether you're in the petroleum, petrochemical, metallurgy, or chemical industry, this O2 detector is an invaluable tool for gas detection and personnel protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable border=\"1\" cellspacing=\"0\" cellpadding=\"0\"\u003e\n\u003ccolgroup\u003e\n\u003ccol\u003e\n\u003ccol\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd height=\"18\"\u003eModel\u003c\/td\u003e\n\u003ctd\u003eGD800-O2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDetected gas\u003c\/td\u003e\n\u003ctd\u003eO2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSampling method\u003c\/td\u003e\n\u003ctd\u003eDiffusion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRange (optional)\u003c\/td\u003e\n\u003ctd\u003e0-25%VOL, 0-30%VOL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e0.01%VOL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse time\u003c\/td\u003e\n\u003ctd\u003e≤10S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrinciple\u003c\/td\u003e\n\u003ctd\u003eElectrochemical principle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlarm mode\u003c\/td\u003e\n\u003ctd\u003eSound, light, vibration alarm, high and low alarm values can be set by yourself\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlarm type\u003c\/td\u003e\n\u003ctd\u003eLow alarm, high alarm, STEL, TWA, low battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExplosion-proof grade\u003c\/td\u003e\n\u003ctd\u003eExiaIICT4Ga\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection class\u003c\/td\u003e\n\u003ctd\u003eIP68\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking temperature\u003c\/td\u003e\n\u003ctd\u003e-20℃～55℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking humidity\u003c\/td\u003e\n\u003ctd\u003e0-95%RH (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking air pressure\u003c\/td\u003e\n\u003ctd\u003e86~106kpa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e90*60*33mm (length*width*thickness)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eWeight 125g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExceptional Battery Efficiency:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBoasting minimal power consumption, this device offers an extended standby time of up to 2 years without the need for battery replacement.\u003c\/li\u003e\n\u003cli data-immersive-translate-effect=\"1\" data-immersive_translate_walked=\"1f43a4ce-f918-4ce5-919e-f9ae0ef22248\"\u003e\n\u003cstrong\u003eHassle-Free Maintenance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSimply activate the device, and it runs continuously with no calibration, sensor swaps, or battery recharging required.\u003c\/li\u003e\n\u003cli data-immersive-translate-effect=\"1\" data-immersive_translate_walked=\"1f43a4ce-f918-4ce5-919e-f9ae0ef22248\"\u003e\n\u003cstrong\u003eUltra-Effective Alarm System:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEquipped with a high-decibel buzzer and two bright red LEDs that provide sound, light, and vibration alerts for a triple alarm system, ensuring workers are promptly alerted.\u003c\/li\u003e\n\u003cli data-immersive-translate-effect=\"1\" data-immersive_translate_walked=\"1f43a4ce-f918-4ce5-919e-f9ae0ef22248\"\u003e\n\u003cstrong\u003eVersatile Alarm Options:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUsers have the flexibility to customize alarm settings throughout the device's lifespan, with high and low point alarms, TWA, STEL, and more.\u003c\/li\u003e\n\u003cli data-immersive-translate-effect=\"1\" data-immersive_translate_walked=\"1f43a4ce-f918-4ce5-919e-f9ae0ef22248\"\u003e\n\u003cstrong\u003eRugged and Secure:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWith an IP68 rating, this device is resistant to splashes, dust, and shock. Its explosion-proof design and intrinsically safe circuitry offer maximum protection.\u003c\/li\u003e\n\u003cli data-immersive-translate-effect=\"1\" data-immersive_translate_walked=\"1f43a4ce-f918-4ce5-919e-f9ae0ef22248\"\u003e\n\u003cstrong\u003eStreamlined and User-Friendly:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCompact and lightweight, this device features a straightforward two-button operation, eliminating the need for extensive training.\u003c\/li\u003e\n\u003cli data-immersive-translate-effect=\"1\" data-immersive_translate_walked=\"1f43a4ce-f918-4ce5-919e-f9ae0ef22248\"\u003e\n\u003cstrong\u003eCost-Effective Solution:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNot only is this device affordable to acquire, but it also boasts a low cost of ownership, making it a smart investment.\u003c\/li\u003e\n\u003cli data-immersive-translate-effect=\"1\" data-immersive_translate_walked=\"1f43a4ce-f918-4ce5-919e-f9ae0ef22248\"\u003e\n\u003cstrong\u003ePortable and Lightweight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIts small form factor and low weight make it easy to carry, ensuring convenience for workers.\u003c\/li\u003e\n\u003cli data-immersive-translate-effect=\"1\" data-immersive_translate_walked=\"1f43a4ce-f918-4ce5-919e-f9ae0ef22248\"\u003e\n\u003cstrong\u003eRobust Build:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCrafted from high-strength materials, the device is designed to withstand harsh environments while offering comfort and durability.\u003c\/li\u003e\n\u003cli data-immersive-translate-effect=\"1\" data-immersive_translate_walked=\"1f43a4ce-f918-4ce5-919e-f9ae0ef22248\"\u003e\n\u003cstrong\u003eEnhanced Safety:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe self-test function further elevates safety by enabling automatic self-testing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTips: how does Mini Portable Oxygen (O2) Gas Detector work?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-immersive-translate-effect=\"1\" data-immersive_translate_walked=\"4c356f1b-eb91-4ffd-a1c1-93fa1cb2b429\"\u003e1. Sensor Technology:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePortable O2 gas detectors rely on electrochemical sensors or optical sensors to measure oxygen concentrations. Electrochemical sensors are the most common type used in these devices. They work based on the electrochemical reaction that occurs when oxygen molecules interact with a chemical electrode. This reaction generates a small electrical current, which is proportional to the concentration of oxygen in the environment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-immersive-translate-effect=\"1\" data-immersive_translate_walked=\"4c356f1b-eb91-4ffd-a1c1-93fa1cb2b429\"\u003e2. Gas Detection Principle:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe fundamental principle behind the operation of a portable O2 gas detector is based on the fact that the electrical current generated in the sensor is directly related to the number of oxygen molecules that come into contact with the sensor's surface. As the concentration of oxygen increases or decreases, the electrical current produced by the sensor also changes accordingly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-immersive-translate-effect=\"1\" data-immersive_translate_walked=\"4c356f1b-eb91-4ffd-a1c1-93fa1cb2b429\"\u003e3. Display and Alarming:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePortable O2 gas detectors are equipped with a display that typically shows the oxygen concentration as a percentage (e.g., 20.9% for normal atmospheric oxygen levels). The detector continuously monitors the oxygen levels and displays real-time readings. When the detected oxygen level falls outside the pre-set safe range, the device triggers an alarm, which can be visual, audible, or both, to alert the user to potential safety hazards.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-immersive-translate-effect=\"1\" data-immersive_translate_walked=\"4c356f1b-eb91-4ffd-a1c1-93fa1cb2b429\"\u003e4. Safe Thresholds:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThese detectors are often programmed with two critical threshold levels:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan data-immersive-translate-effect=\"1\" data-immersive_translate_walked=\"4c356f1b-eb91-4ffd-a1c1-93fa1cb2b429\"\u003eLow Oxygen Alarm:\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eThis alarm activates when oxygen levels drop below a safe level, indicating the possibility of oxygen deficiency, which can be life-threatening in certain situations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-immersive-translate-effect=\"1\" data-immersive_translate_walked=\"4c356f1b-eb91-4ffd-a1c1-93fa1cb2b429\"\u003eHigh Oxygen Alarm:\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eThis alarm triggers when oxygen levels rise above the safe range, indicating oxygen enrichment, which can also pose health and safety risks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e5. Calibration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTo ensure the accuracy of the readings, portable O2 gas detectors require periodic calibration. Calibration involves exposing the detector to a known concentration of oxygen, usually in a controlled calibration gas environment. The detector's internal settings are then adjusted to match the known concentration, ensuring that the device provides accurate readings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"PROTEC GAS","offers":[{"title":"Default Title","offer_id":42771123404877,"sku":null,"price":274.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0606\/9089\/0829\/files\/Screenshot2026-03-10195624_d7ffcc25-e998-49fd-b563-6f4a13955ca6.png?v=1773196536","url":"https:\/\/protecgas.com\/products\/oxygen-o2-gas-meter-0-to-25-30-vol","provider":"PROTEC GAS","version":"1.0","type":"link"}