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