English Translation (Industrial Instrument Standard Technical Document Version)

1. Probe Gas Leak Detector (Diffusion Type)
2. Probe Gas Leak Detector (Pump Suction Type)
3. Multi-Gas Detection Alarm Instrument (Pump Suction Type)
4. Triple-Range Methane Detector (Pump Suction Type)
5. Laser Remote Detection Model

Product Appearance 1: Probe Gas Leak Detector (Diffusion / Pump Suction Type)

Exclusive Technical Parameters for Probe Gas Leak Detector

• Detection Method: Probe leak detection, diffusion type / pump suction type
• Detection Principle: Semiconductor sensor
• Applicable Gases: Flammable gases
• Measuring Range: (0～10000) µmol/mol (ppm)
• Resolution: 1 µmol/mol (ppm)
• Accuracy Class: ±3%FS
• Alarm Setpoint: Adjustable
• T90 Response Time: ≤30 s

Exclusive Technical Parameters for Multi-Gas Detection Alarm Instrument (Pump Suction Type)

• Detection Method: Pump suction type
• Detection Principle: Catalytic bead, electrochemical, infrared, semiconductor, etc.
• Applicable Gases: Flammable gases, toxic & hazardous gases, oxygen, etc.
• Measuring Range: (0～100) %LEL (flammable gas); (0～100) µmol/mol (ppm) (toxic gas), etc. (varies by gas type)
• Resolution: 1%LEL, 1 µmol/mol (ppm), 0.1 µmol/mol (ppm) / %VOL
• Accuracy Class: ±3%FS (for flammable gases, varies by gas type)
• Alarm Setpoints: Low alarm at 20%LEL, high alarm at 50%LEL (for reference)
• Response Time T90: ≤30 s (for flammable gases, varies by gas type)

Exclusive Technical Parameters for Triple-Range Methane Detector (Pump Suction Type)

• Detection Method: Pump suction type
• Detection Principle: Infrared sensor, semiconductor sensor
• Applicable Gases: Flammable gases
• Target Gas: Methane
• Measuring Range: (0～100) %LEL, (0～100) %VOL, (0～10000) µmol/mol (ppm)
• Resolution: 1%LEL, 0.1%VOL, 1 µmol/mol (ppm)
• Accuracy Class: ±3%FS
• Alarm Setpoints: Low alarm at 20%LEL, high alarm at 50%LEL (for reference)
• T90 Response Time: ≤30 s

Product Appearance 3: Laser Remote Detection Model

Technical Parameters for Laser Remote Detection Model

• Applicable Gases: Flammable gases
• Target Gas: Methane
• Measuring Range: (0～50000) ppm·m
• Detectable Distance: Optional (0–15) m / (0–30) m
• Minimum Detectable Limit: 5 ppm·m
• Accuracy: ±10%FS
• Response Time: 0.5 s

Universal Technical Parameters for All Models

• Display Mode: LCD Display
• Ambient Temperature: −25℃ ~ +55℃
• Relative Humidity: (20～93)% (non-condensing)
• Operating Voltage: DC 3.7 V
• Battery Capacity: 6000 mA rechargeable lithium-ion battery
• Charging Time: ＜5 h
• Continuous Operating Time: ≥8 h (at normal ambient temperature)
• Overall Dimensions: L291mm × W100mm × H49mm
• Explosion-proof Certificate No.: CLEx24.1023
• Explosion-proof Mark: Ex ia ⅡC T4 Ga; Ex ib ⅢC T130℃ Db
• Ingress Protection Rating: IP66 or higher