Model:HANG-900-O2-C
Detection Gas:Oxygen (O₂)
Detection Principle:eletrochemical
Detection Range:0-25%VOL/0-30%VOL/0-100%VOL.

The HANG-900-O2-C is a professional pump-suction portable O2 gas concentration detector designed for accurate oxygen concentration measurement and leak detection in various industrial and commercial environments. Adopting advanced thermal conductivity detection technology, it delivers high precision, fast response and excellent stability, making it a reliable tool for industrial safety, environmental monitoring and gas analysis.
Detection range: 0-25%VOL/0-30%VOL/0-100%VOL
Sampling accuracy: ±2% F.S, reliable and repeatable results
Fast response: T90 < 10 seconds, real-time concentration feedback
Built-in high-performance sensor with 1-3 years service life
Support zero calibration and multi-level concentration calibration
Built-in vacuum suction pump with gear-adjustable flow rate
Stable performance, long service life and low operating noise
Approx. 27cm bendable metal probe for detection in narrow spaces
Removable double-layer structure with spring protection for durability

3.5-inch TFT color display (480*320 resolution) for clear data presentation
Switchable single-gas and multi-gas display interfaces
Real-time concentration curve for visual data trend monitoring
Support Chinese and English language switching
Physical button design for easy parameter viewing and setting

100,000 entries of historical data storage capacity
Freely settable data storage interval to meet different needs
1000 items of alarm record storage for traceability
USB data export function, export data to computer to generate spreadsheets
Support direct data viewing and deletion on the device
Standard support for LoRa long-distance wireless transmission
Customizable 4G/5G cloud upload for remote monitoring
Customizable Bluetooth transmission for mobile phone connection
Compatible with gas alarm controllers and Bluetooth printers
Support real-time data viewing on mobile phones and computers

Standard package includes: Portable O2 gas detector main unit, aluminum alloy carrying case, English user manual, flexible sampling probe, Mini-USB cable, charger
Optional accessory: High-temperature sampling handle (customizable for different temperature detection requirements)

Wide Applications of Industrial O2 Gas Leak Detector
This portable oxygen concentration detector is widely used in multiple industries and scenarios:
Petroleum & petrochemical, chemical plants, smelting plants, steel mills
Coal mines, thermal power plants, boiler rooms, gas stations, oil pipelines
Pharmaceutical production, tobacco industry, sewage treatment, garbage treatment plants
Environmental monitoring, indoor air quality testing, school scientific research
Tunnel construction, underground gas pipeline maintenance, hazardous material site safety
Aerospace, military equipment monitoring, industrial gas process control

Full Technical Specifications
| Parameter Category | Detailed Specification |
|---|---|
| Basic Info | Model: HANG-900-O2-C; Detection Gas: Oxygen (O₂) |
| Detection Performance | Principle: Thermal Conductivity; Range: 0-25%VOL/0-30%VOL/0-100%VOL; Accuracy: ±2% F.S; Response Time: T90 < 10s |
| Sampling System | Pump suction type, adjustable pump speed; Flexible metal probe |
| Display & Operation | 3.5-inch TFT color screen (480*320); Physical buttons; Chinese/English switchable |
| Power Supply | 5400mAh built-in lithium battery; 5 VDC charging |
| Environmental Adaptation | Working temperature: -20℃ ~ 50℃; Working humidity: 0 ~ 95% RH; Working air pressure: 86 kPa ~ 106 kPa |
| Protection & Safety | Protection grade: IP65; Explosion-proof grade: Ex ib II CT4 Gb,ATEX. |
| Data Management | 100,000 data entries storage; 1000 alarm records; USB data export |
| Alarm Function | Two-level alarm; High/low alarm threshold configurable |
| Calibration | Support primary, secondary and tertiary calibration |
| Physical Parameters | Dimension: 230 × 95 × 65 mm (excluding sampling tube); Warranty: 1 year; Sensor life: 1-3 years |
The HANG-900-O2-C adopts thermal conductivity detection principle, which features high stability, good repeatability and long service life, suitable for long-term continuous oxygen concentration monitoring in industrial environments.
Under normal use and regular calibration, the effective service life of the oxygen sensor is 1 to 3 years. It is recommended to perform calibration every 6 months or 1 year according to the working environment to ensure detection accuracy.
Yes. This O2 gas detector is equipped with a USB interface. You can connect the device to a computer via a USB cable to export historical data and alarm records, and generate editable data tables for further analysis and archiving.
The standard probe is designed for normal-temperature gas detection. For high-temperature scenarios, you can purchase the optional high-temperature sampling handle, which can be customized according to your specific detection temperature requirements.
The standard configuration supports LoRa P2P long-distance wireless transmission. We also provide customizable 4G/5G cloud upload and Bluetooth transmission functions to meet different remote monitoring and system integration needs.

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