Model:HMJ-9051-S
- Product Overview
The SF6 Infrared Quantitative Leak Detector is a next-generation instrument designed to measure SF6 gas leaks. It is based on dual-beam, dual-wavelength non-dispersive infrared (NDIR) absorption spectroscopy technology. Equipped with a high-speed embedded MCU and a Chinese touchscreen human-machine interface, combined with comprehensive hardware and software design, this detector greatly enhances operational stability and detection accuracy. It can rapidly and precisely quantify leaks in SF6 circuit breakers and Gas Insulated Switchgear (GIS), while also supporting data storage and query functions.
This instrument is highly suitable for power supply departments, installation and maintenance units, and power testing research institutes. It is also an ideal supporting instrument for SF6 high-voltage switchgear manufacturers and exporters.
2. Key Features
- Utilizes dual-beam, dual-wavelength NDIR technology, improving reliability and accuracy of SF6 leak detection within the typical leak rate range of SF6 switchgear.
- Quantitatively measures trace concentrations of SF6 gas in ambient air.
- Precisely locates SF6 gas leak points in equipment.
- Quantitatively detects SF6 concentration diffusion around leaking equipment.
- Measures SF6 gas leakage volume and leak rate.
- Compact and lightweight design with anti-drop wrist strap for one-handed operation.
- Intuitive color touchscreen display for easy operation.
- Audible and visual alarms with two settable thresholds to warn when SF6 concentration exceeds limits.
- Specialized anti-interference program and data protection features for field use.
- Can store up to 8,000 test data sets.
- Rechargeable four-cell lithium polymer battery, explosion-proof and reliable, with continuous operation of up to 8 hours—ideal for field use, SF6 switchgear manufacturers, and research institutes.
- Advanced power management system with automatic standby mode.
- Compact, aesthetically pleasing design with straightforward and simple operation.
3. Technical Specifications
| Item | Parameter | Technical Data |
| Resolution | High Range Model | 1 ppm |
| High Precision Model | 0.01 ppm | |
| Detection Range | High Range Model | 0–1000 ppm |
| High Precision Model | 0–50 ppm | |
| Response Time | < 3 seconds | |
| Recovery Time | < 5 seconds | |
| Reference Error | High Range Model | ≤ ±0.5% [0–1000 ppm]; ≤ ±10% [1000–5000 ppm] |
| High Precision Model | ≤ ±0.5% [0–50 ppm]; ≤ ±10% [50–300 ppm] | |
| Repeatability Error | ≤ 2% | |
| Detection Probe Length | 130 mm (straight rod), with optional plastic hose extension at inlet | |
| Continuous Working Time | ≥ 8 hours | |
| Power Supply | Rechargeable four-cell lithium polymer battery, DC 8.4V | |
| Operating Environment | Temperature: -10℃ to 50℃; Relative Humidity: ≤ 95%, non-condensing | |
| Weight | 0.7 kg | |
| Dimensions | 330 mm × 110 mm × 70 mm |
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