Technical Parameters
| Model | XM314 |
| Sampling Method | Pump-suction / Diffusion |
| Detection Principle | Catalytic, Electrochemical, Infrared, PID |
| Detected Gases | Flammable gas, Toxic gas |
| Measuring Range | Flammable gas: 3%~100%LEL; Toxic gas: See toxic gas list for details |
| Accuracy | ±3%LEL (flammable gas) / ±3%FS (toxic gas) |
| Repeatability | ≤2% |
| Response Time | Flammable gas: T90<10s; Toxic gas: See toxic gas list for details |
| Alarm | Audible alarm, LED light alarm, Vibration alarm |
| Output Mode | USB interface, Bluetooth (optional) |
| Self-diagnosis | Low battery, Calibration prompt, Sensor life, Sensor failure, Calibration signal lock, Insufficient register memory, Air pump blockage, Air pump air leakage |
| Sound Intensity | ≥90dB @ 0.3m |
| Historical Records | Power on/off records, Zero adjustment records, Calibration records, Alarm records, Fault records |
| Power Supply | Lithium battery, Nominal voltage 3.6V, Capacity 2400mAh |
| Power Consumption | ≤1W |
| Battery Life | ≥10h, Normal temperature |
| Main Material | Soft rubber: Anti-static TPU; Hard rubber: Anti-static PC |
| Weight | 0.5kg |
| Explosion-proof Certification | Ex db ia IIC T4 Ga |
| Metrological Certification | CPA |
| Executive Standard | GB15322.3-2019, GB3836.1-2021, GB3836.2-2021, GB3836.4-2021, JJF1364-2012, JJF1368-2012, JJF1421-2013 |
| Protection Grade | IP67 |
| Temperature Range | -40°C~60°C |
| Humidity Range | 10%~95%RH (No condensation) |
| Pressure Range | 86kPa~106kPa |
Product Selection
| Model | Diffusion | Pump-suction | No. of Sensors | 4G | GPS | Gyroscope | Gooseneck Tube |
| XM311 | ✓ | 1 | |||||
| XM311CGT | ✓ | 1 | ✓ | ✓ | ✓ | ||
| XM311BCGT | ✓ | 1 | ✓ | ✓ | ✓ | ||
| XM311-J | ✓ | 1 | ✓ | ||||
| XM311CGT-J | ✓ | 1 | ✓ | ✓ | ✓ | ✓ | |
| XM312 | ✓ | 2 | |||||
| XM312CGT | ✓ | 2 | ✓ | ✓ | ✓ | ||
| XM312BCGT | ✓ | 2 | ✓ | ✓ | ✓ | ||
| XM313 | ✓ | 3 | |||||
| XM313CGT | ✓ | 3 | ✓ | ✓ | ✓ | ||
| XM313BCGT | 3 | ✓ | ✓ | ✓ | |||
| XM314 | ✓ | 4 | |||||
| XM314CGT | ✓ | 4 | ✓ | ✓ | ✓ | ||
| XM314BCGT | ✓ | 4 | ✓ | ✓ | ✓ |
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