Relative humidity range: 10.0 to 95.0% RH with an accuracy of ±3% mid-range and ±4% outside. Temperature range: 0.0 to 50.0°C (32.0 to 122.0°F) with an accuracy of ±1°C. Dew point range: -25.3 to 48.9°C (13.5 to 120.1°F). Barometric pressure range: 0.29 to 32.48 in. Hg, 10.0 to 1100 millibars (with an accuracy of ±2.5 millibars), or 7.5 to 825.0 mm Hg.
Dual display shows humidity/temperature, humidity/dew point, barometer/temperature or barometer/humidity simultaneously.
Recalls min./max. readings, has a hold function, and has a large, high-contrast LCD.
Rugged plastic housing and water-resistant design.
Supplied with 4 AAA batteries and a Traceable® Certificate that indicates traceability to standards provided by NIST.