AZ7755 Handheld Indoor Air Quality Meter CO2 Gas Tester Humidity and Temperature Meter Carbon Dioxide Tester Fittings * Range: -200C~1300C（Varying depend on

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

Storage RH% ：Humidity <90%

Air RH% Accuracy:±3%RH (at 25℃

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

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

AZ7755 Handheld Indoor Air Quality Meter CO2 Gas Tester Humidity and Temperature Meter Carbon Dioxide Tester Fittings * Range: -200C~1300C（Varying depend onBrand: 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