-High Accuracy High sensitive

-Wide range: 0-20ppm

-High brightness LCD display

-Acoustic ,light ,vibration alarm

-Rechargeable battery

-Explosion protection shell, Strong ABS plastic

-English /Chinese manual and meno

-Alarm records memory

Range: 0-20ppm

Resolution: 1/0.1ppm

Alarm: 5ppm

Display tolerance :≤±5%FS
Response time :T＜30S
Indicating method:LCD displays real data & system status ,light emitting dioxide ,acoustic ,vibration alarm ,malfunction ,low-voltage
Working ambient surroundings : temperature -20℃∽50℃;humidity ＜95%RH no condensation
Working volatage:DC3.7V (lithium battery capacity 2000 mAh)
Explosion proof: Ex ib ⅡB T3 GB
Recharge time : 6h∽8h
Standby time :>8h
Sensor lifetime : 2y
Protection grade: IP65
Dimension :110*50*25mm
Weight:about 218 g