COOPER-ATKINS WALL TEMPERATURE/HUMIDITY THERMOMETER 212-150-8 212 SERIES WALL THERMOMETERS ARE 12"" / 30.5 CM IN DIAMETER AND AVAILABLE FOR A VARIETY OF REQUIREMENTS THAT INCREASES EMPLOYEE AWARENESS WHILE MONITORING TEMPERATURE. FEATURES UL STYLE""MARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" TEMPERATURE RANGE -40 degrees TO 120 degreesF / -40 degrees TO 50 degreesC ACCURACY 3 degreesF 30 degreesF TO 90 degreesF / 5 degreesF ALL OTHER HUMIDITY RANGE 0 TO 100 RH HUMIDITY ACCURACY 5 AT 50 TO 99RH 7 AT 25 TO 49RH 9 25RH--