The Patrol series of portable gas detectors is compact in size and features a simple and convenient dual-button operation. With its ultra-large visual display, users can easily perceive instrument information. The robust and reliable housing design ensures ease of use under harsh conditions. Users can quickly obtain alarm information through red LEDs. Function testing and calibration operations can be easily completed manually. It can accurately measure over 22 types of toxic and harmful gases, including oxygen. Therefore, it can be widely applied in industries such as petroleum, petrochemical, metallurgy, chemical, and coal mining.






XUNJING Series
Patrol series portable VOC detector
Model: YQBX
Key Features: Up to 2 years of battery life for a single operation, automatic zero calibration, multi-point temperature compensation algorithm
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Product Overview
Application Scenarios
Product Features
1. 32-bit core processor based on ARM architecture;
2. Capable of continuously recording up to 500 alarm events 3. Supports Bluetooth function (optional);4. Standard lithium thionyl chloride battery, model ER14335, voltage DC3.6V 5. The battery life can last for over 2 years (based on 8 hours of normal operation per day);
6. Automatic zero calibration upon startup 7. Multi-point temperature compensation algorithm 8. Sensor lifespan monitoring and alarm prompts 9. Full-function self-check upon startup: sensor, battery level, vibration, audible and visual alarms
Product Specifications
1. PerformanceDetected gases: combustible gases, toxic gases, oxygen, VOCs Detection principle: Consult the manufacturer Measurement range: Consult the manufacturer Accuracy: ±3%LEL (combustible gas) / ±3%FS (toxic gas) Repeatability: ≤2%
Response time: Consult the manufacturer Sampling method: diffusion type Display: High-Brightness LED 2. Electrical characteristics
Power Supply: Disposable lithium-thionyl chloride battery, DC3.6V Battery capacity: 1650mAh Working time: ≥2 years (calculated based on 8 hours of normal work per day) Output signal: USB Audible and visual alarm: local audible and visual alarm 3. Structural characteristics Main material: ABS Installation method: Handheld, with alligator clip 4. Electrical usage environment Protection level: IP65
Temperature range: -20℃ to +50℃ Humidity range: 10~95%RH (non-condensing) Pressure range: 86~106KPa Relevant certifications Explosion-proof certification: Ex ia IIC T4 Ga
Gas Factors Detectable by This Product
These are the gas factors this model supports. Click to see detailed product compatibility (600+ factors →)



