Obtain humidity, temperature, dew-point, and wet-bulb readings. Monitor shows current, minimum and maximum displays. Offers a settable high/low alarm for all four readings, with 0.1 increments. Alarm sounds for one minute and red light flashes until readings return to non-alarm condition. Made of chemical-resistant ABS plastic. Includes a Traceable^® Certificate and 2 AA batteries. Dimensions: 4.13 W x 4.13”H.

Specifications
RH Range: 1 to 99%
Resolution: 0.1%
Accuracy: ±4% between 20 to 80% RH
Temperature Range: -40 to 70°C / -40 to 158°F
Resolution: 0.1° (below 100°)
Accuracy: ±1°C