*. Model : ST-501

*. Range : 0 ~ 9,999 ppm

*. Accuracy : ±75ppm, ± 8%

*. Temperature : 0℃~70℃

   Accuracy : ±0.1℃ at 25℃

*. Humidity : 0~100%RH

   Accuracy : 2.5% at 10~90%RH

*. Mode : CO2 Gas, Temperature

                Humidity

*. Humidity sensor : CMO sensor

   Temperature : Thermistor

*. AAx4ea Battery powered