Infrared Dual-Wavenumber Digital Display Quantitative Leak Detector LF-02-FR
This device adopts the detection principle of dual-wave non-dispersive infrared spectroscopy, featuring portability for hand-held use, user-friendly operation, stable performance, and quantitative display.
This device is a portable and simple quantitative leak detector developed for the outdoor inspection or leak detection of gas-filled equipment such as SF6 gas-insulated switchgear (GIS), ring main units, and SF6 circuit breakers. Its highest sensitivity can reach 0.1ppm. High-concentration SF6 gas or pure SF6 gas will not cause the device to be "poisoned".
This device can be applied to SF6 and other halogen gases. However, since it has not been precisely calibrated, when detecting other halogen gases, it can only be used for qualitative detection.
Product Features:
- Display the instant concentration with precise numerical values, and simultaneously display the voltage of the lithium battery.
- The buzzer will prompt the change in concentration at the same time.
- It is equipped with a large-capacity built-in lithium battery, which can be continuously used for more than 8 hours after a single charge.
- There is no cross-sensitivity to other gases, and no poisoning phenomenon will occur.
- The air pump is manually controlled, effectively increasing the service life of the membrane pump.
- It is equipped with a self-developed pm1.0-2.5 sensor particle filter (protective cover assembly), which effectively improves the stability of the equipment and the service life of the sensor.
- The imported infrared sensor has a service life of up to 10 years.
- Automatically correct the zero-point drift.
Schematic Diagram of the Functional Components of Each Part
| Item | Technical Parameter |
| Maximum Sensitivity to SF6 Gas | 0.1ppmv |
| Measuring Range | 0---1000ppmv (Optimal Range: 0.1-100ppmv) |
| Measuring Accuracy | ±2% (0---100ppmv) |
| Resolution | 0.1ppmv |
| Alarm Mode | Digital display of concentration and change of sound frequency |
| Response Time | ≤ 3 seconds |
| Preheating Time | ≤ 60 seconds |
| Sampling Method | Built-in electromagnetic diaphragm pump, automatic suction type, with a flow rate of 5-8ml/s |
| Length of the Metal Rod at the Front End of the Detector | 89mm |
| Spare Extended Hose of the Detector | 308mm |
| Power | ≤ 0.5w |
| Working Humidity | 0∽99% |
| Working Temperature | -10℃∽60℃ |
| Continuous Working Time of the Lithium Battery after One Charge | ≥ 8h |
| Charging Power Supply | AC100-240v |
| Net Weight of the Leak Detector | 0.4Kg |
| Total Weight including the Outer Box | 1.0Kg |
| Dimensions of the Outer Box (Explosion-proof Box) | 370*315*180mm |
