AZ7755 Handheld Indoor Air Quality Meter CO2 Gas Tester Humidity and Temperature Meter Carbon Dioxide Tester Fittings Alarm Sound and Light "Beep-beep-beep"

Alarm Sound and Light "Beep-beep-beep" alarm tone

pawkit water activity meter price can be used with some products (mostly synthetic products) as a means of indirectly measuring the total moisture content

4: 1983 Type 2

* Range: -200C~1300C（Varying depend on graduation）

Measuring light incident angle meet ISO 2813 three measuring light incident angle

AZ7755 Handheld Indoor Air Quality Meter CO2 Gas Tester Humidity and Temperature Meter Carbon Dioxide Tester Fittings Alarm Sound and Light "Beep-beep-beep"Brand: Graigar Color: Yellow Features: Design with NDIR (Non Dispersive Infrared) wave guide technology sensorBig LCD display with high resolution Triple displays of CO2 level, temperature and humidityBack light for working in dark area Display 8 hrs TWA value (time weighted average) & 15 minutes STEL value (short term exposure limit) Housing design surrounds with rails to help air ventilation for quick and accurate response Dual display 2 parameters