ANALOG HYGROMETER, SCALE TYPE DIAL, 30 DEGREES TO 250 DEGREES F/0 DEGREES TO 120 DEGREES C, PRIMARY SCALE HUMIDITY, TEMPERATURE, DIAL DESIGN BLACK SCALE ON WHITE DIAL, CASE MATERIAL 304 STAINLESS STEEL, GRADUATIONS 2 DEGREES F/2 DEGREES C/10 PERCENT RH, HUMIDITY RANGE 0 PERCENT TO 100 PERCENT, WALL-MOUNT, 147 MM DIA