上海孜迈防护科技有限公司
Portable 4 In 1 Gas Detector
Detecting gas: combustible gas/O2/H2S/CO
Alarm type: vibration+sound+light alarm
Power supply: 3.7V 2000mAh rechargeable lithium
battery
Display error: ≤ ±3% FS
Response time: T < 30 seconds
Charging time: 8 hours
Working environment:-20~50°C
Humidity:≤95%RH
