Gas Type: Sulfur Dioxide (SO2)
Sensor Type: Electrochemical
Measurement Range: 0-10ppm, 0-20ppm, 0-50ppm, 0-100ppm, 0-500ppm, 0-1000ppm, 0-2000ppm (optional)
Display: Dot matrix LCD display
Backlight: User can set the backlight period, when alarm, the backlight will lighten automatically.
Display Information: gas types, concentration value, time, battery status, alarm status, data storage status, etc
Calibration: one-key zero calibration for all sensors, two adjustable calibration values for span calibration.
Password-protected: password is required for calibration.
Data Recovery: with restore factory default calibration function, which can restore to factory default set.
Operating Language: Chinese or English operating menu is able to be changed freely.
Alarm Mode: Audible-visual alarm, adjustable two-stage alarm threshold value.
Power Supply: 1800mA rechargeable lithium battery, continuous working period can reach to 50h.
Explosion-proof Grade: ExiaⅡCT4
Protection Grade: IP66
Working Temperature: -20℃～50℃
Working Humidity: 0-95%RH (non-condensing)
Body Material: ABS and PC