T & D Corporation: Data Logger for Carbon Dioxide, Temperature and Humidity

Oct. 14, 2012
The TR-76Ui-H is a three-channel recorder designed to simultaneously measure and record CO2 concentration, temperature and humidity.

Temperature measurement accuracy is ±0.3 °C between 10 ° and 40 °C, and ±0.5 °C at all other temperatures. The overall range is -30 to 80 °C. The unit has a CO2 range up to 9999 ppm with accuracy of ±(50 ppm + 5% of reading) (at 5000 ppm or less), with automatic atmospheric pressure adjustment for the measurement location. Humidity measurements range from 0 to 99% with accuracy of ±2.5% RH (at 25 °C, 10 to 85% RH) ±4.0% RH (at 25 °C, 0 to 10% or 85 to 99% RH). At temperatures other than 25 °C and = 0 °C, add ±0.1% RH per degree of difference from 25. Humidity hysteresis: ±1.5% RH or less. The unit can store up to 8000 data sets and is supplied with software which enables the user to download recorded data to a PC via USB connection, whereby data from all three channels can be simultaneously viewed in graph or table form.

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