- February 21, 2013
The model achieves a temperature measurement accuracy of ±0.3 deg C (between 10 to 40 deg C) with an overall range of -30 to 80 deg C. The humidity measurement accuracy is ±2.5% (at 25 deg C, 10 to 85% RH) with an overall range of 0 to 99% RH.
The RTR-574-H is also capable of displaying Cumulative Illuminance and Cumulative Amount of Ultraviolet Light in the LCD display.
Compact, lightweight unit is approximately 2 x 3 in. and operates on one AA battery. Large data capacity can store up to 8,000 readings times 4 channels for a total of 32,000 readings in one-time or endless recording mode.