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Handheld mini dew point thermometer measures air temperature, relative humidity, dew point temperature and wet bulb temperature
PCE-444 is a combination digital hygrometer and digital thermometer used to measure air temperature, relative humidity, dew point temperature and wet bulb temperature. This portable handheld pocket-sized mini dew point thermometer allows for the quick and easy determination of indoor ambient environmental conditions. Applications include monitoring climates of refrigerated trucks, warehouses, construction sites and HVAC installations, where excess moisture, condensation and uneven temperatures can create mold, spoilage and health hazards.
| 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 |
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