Key Features

  • Adopt advanced 16bits controller of ultra-low power
  • Resolution is 128*64 LCD
  • High precision electro-chemical sensor
  • Can be set high/low alarm point, two level sound and light alarm
  • Provide real-time clock display
  • Rechargeable

Technical Specifications


Sensor type Electro-chemical
Sampling way diffused
Test range 0-20 ppm or customize
Precision 0.1ppm
Response time T90<60s
Indicate way LCD display real-time concentration, LED buzzer alarm
Pressure range  +- 10%
Operate environment 4OF – 104OF 15%-95%RH
Operate voltage DC3.7V lithium: 1100 mAh
Charge time 6-8 hours
Continuous work hours 30 hours above
Sensor life 2 years