PLT840 Voice-Guided Quad-Gas Detector for Monitoring Combustible Gases, Oxygen, Carbon Monoxide, and Hydrogen Sulfide

Detailed Specifications:

Gas Types: EX, H₂S, CO, O₂

Primary Sensors: (0-100)% LEL, (0-100) ppm, (0-1000) ppm, (0-30% vol)

Low Alarm Point: 20% LEL, 10 ppm, 50 ppm, 19.5% vol

Alarm Point: 50% LEL, 35 ppm, 150 ppm, 23.5% vol

Resolution: 1% LEL, 1 ppm, 1 ppm, 0.1% vol

For other gas combinations, please contact the company

Display Error: <±5% FS

Response Time: T<30s

Indicator Method: LCD display shows real-time data and system status; alerts via light, vibration, and voice prompts (Chinese/English)

Operating Environment: Temperature -20°C to -50°C; Humidity <95%RH (non-condensing)

Operating Voltage: DC 3.7V (1800mAh lithium battery)

Charging Time: 4-6 hours

Standby Time: Over 20 hours of continuous use on full charge

Sensor Lifespan: 1

Protection Rating: IP65

External Dimensions: 140mm × 73mm × 32mm

Weight: 300g