WINTACT WT8811 Compoud Gas Monitor LCD Display Rechargeable Multifunction 4 in1 Combustible O2 H2S CO Gas Sensor Sound-light Vibration Alarm

The WINTACT WT8811 Compound Gas Monitor is a multifunctional device designed to detect combustible gases, oxygen, hydrogen sulfide, and carbon monoxide. It features an LCD display with sound, light, and vibration alarms for real-time monitoring.

• Product type: Gas Monitor
• Material: Plastic
• Color-screen display with user-friendly interface
• Bilingual options: Chinese/English
• Three alarm forms: sound, light, vibration
• Data recording and review function
• Continuous data logging of 120,000 records
• Charging function
• Measuring range: Combustible gas LEL 0~100% LEL
• Measuring range: Oxygen O2 0~30% VOL
• Measuring range: Hydrogen sulfide H2S 0~100 μmol/mol
• Measuring range: Carbon Monoxide CO 0~1000 μmol/mol
• Resolution: Combustible gas LEL 0.1
• Resolution: Oxygen O2 0.1
• Resolution: Hydrogen sulfide H2S 0.1
• Resolution: Carbon Monoxide CO 1
• Accuracy: Maximum allowable error for (0~50) mol/mol is 5 mol/mol
• Accuracy: Maximum allowable error for (50~1000) mol/mol is 10%
• Indication model: LCD display with real-time data and system state
• Indication model: LED, sound, vibration indication alarm
• Response time (90%): Less than 30 seconds
• Alarm: Sound, light, and vibration alarm
• Alarm point: Adjustable
• Working voltage: DC 3.7V, 1800mAh
• Battery model: LP103450-1800mAh rechargeable lithium battery
• Explosion-proof certificate NO.: CNEx 18.5122
• Explosion-proof mark: Ex ib IIB T3 Gb
• Operating conditions: -20 to 50℃ / -4 to 122��, < 95% humidity
• Storage conditions: -10 to 55℃ / 14 to 122��, < 85% humidity
• Charging time: 6-8 hours
• Standby time: More than 8 hours (varies with working state)
• Item size: 71 * 153 * 49 mm
• Package includes: Carbon Monoxide Monitor, Plastic Pipe, USB Cable, Gas Calibration Cover, Storage Box, User Manual