Thomas 4184 ABS Plastic Traceable Jumbo Thermo-Hygrometer, 1-1/8" High Display, 1 percent RH Resolution, +/-1 degree C Accuracy;

Self-contained, stable and accurate unit requires no adjustments or maintenance. The minimum and maximum memories may be shown or cleared at any time with the touch of a button. Unit meets federal requirements for CLIA specification 493.1207 for monitoring temperature and humidity. Case is chemical- and shock-resistant ABS plastic. Thermometer probe has a 10’ cable. Includes flip-open stand and wall mount. Dimension: 3/4" length by 3-7/8" width by 4-1/4" height.Weight: 5.4 ounces. Jumbo 1-1/8" display. Power requirements: one aaa alkaline battery included. External probe temprature: -58 - 158 degree F. Ambient sensor temprature: 23 - 122 degree F. 1 Percent rh resolution. +/-1 degree C. 25 - 95 Percent humidity. +/-2 Percent (mid-range) to +/-4 percent (ends-of-range). Once per second display update rate.