PCE 444 实验室湿温度计/ 电子

Specification

Measuring range of temperature: -20 ... 70°C / -4 ... 158°F

Measuring range of relative humidity (RH): 0 ... 100% RH

Measuring range of dew point temperature: 20 ... 70°C / -4 ... 158°F

Measuring range of wet bulb temperature: 20 ... 70°C / -4 ... 158°F

Measuring accuracy of temperature: ± 1.0°C / 1.8°F

Measuring accuracy of relative humidity: 45 ... 75%: ± 3.0% RH, otherwise: ± 4.5% RH

Measuring accuracy of dew point temperature: ± 1.5°C / 2.7°F at 25°C / 77°F, 40 ... 70% RH

Measuring accuracy of wet bulb temperature: ± 1.5°C / 2.7°F

Resolution of temperature: 0.1°C / 0.18°F

Resolution of relative humidity: 0.1% RH

Resolution of dew point temperature: 0.1°C / 0.18°F

Resolution of wet bulb temperature: 0.1°C / 0.18°F

Automatic shutdown: After 15 minutes of inactivity (can be disabled)

Operating temperature: -20 ... 60°C / -4 ... 140°F

Storage temperature: -20 ... 60°C / -4 ... 140°F

Power supply: 3 x 1.5V AAA batteries

Battery life: Approx. 50 hours of continuous use at full charge

Dimensions: 168 x 56 x 30.5 mm / 6.6 x 2.2 x 1.2 in

Weight: 75 g / < 1 lb

Dilivery Contents

1 x PCE-444 air humidity meter

3 x 1.5V AAA batteries

1 x User manual