General Tools A600FC High Temperature Analog Thermo-Hygrometer Ideal for measuring and monitoring temperature and humidity Features an attractive design, stainless steel case and flange mounting Temperature measurement range is 30 to 250 degrees F (-1 to 121 degrees C) and accuracy is +/-1.8 degrees F (+/-1 degrees C) Relative humidity measurement range is 10 to 95% RH and accuracy is +/-6% of reading Temperature and relative humidity resolutions are 2 degrees F (1 degree C) and 2% RH