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

Features
1.Color-screen display, user-friendly interface.
2.Bilingual choices:Chinese/English.
3.Three alarm forms:sound/light/vibration .
4.Data recording and review function, continuously record
5.120,000 data logging.
6.Charging function.
Specification
Compound Gas Monitor Range
Measuring item and Unit
1.Combustible gas LEL %LEL
2.Oxygen O2 %VOL
3.Hydrogen sulfide H2S μmol/mol
4.Carbon Monoxide CO μmol/mol
Range:
1.Combustible gas LEL: 0~100
2.Oxygen O2 : 0~30
3.Hydrogen sulfide H2S:0~100
4.Carbon Monoxide CO :0~1000
Resolution
1.Combustible gas LEL: 0.1
2.Oxygen O2 : 0.1
3.Hydrogen sulfide H2S:0.1
4.Carbon Monoxide CO :1
Accuracy: When the measuring range is(0~50)mol/mol,maximum allowable error is:5mol/mol.
When the measuring range is(50~1000)mol/mol,maximum allowable error is:10%
Indication model:LCD display real-time date and system state,LED,sound,vibration indication alarm
Response Time(90%): Less than 30 seconds
Alarm: Sound and light vibration alarm
Alarm Point: Adjustable
Working Voltage: DC3.7V, 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: -20～50℃ / -4～122℉, < 95%
Storage Conditions: -10～55℃ / 14～122℉, < 85%
charging time:6-8h
standby time:more than 8h on end (slightly change with working state)
Item Size: 71 * 153* 49mm
Package included
1 * Carbon Monoxide Monitor
1 * Plastic Pipe
1 * USB Cable
1 * Gas Calibration Cover
1 * Storage Box
1 * User Manual