The Extech RH25 Heat Index Psychrometer pen simply monitors the heat index on hot, humid days, which helps to prevent heat stroke during outdoor activities or sporting events. Its pocket-sized form makes it easy to transport wherever you go. Complete with a CR2032 battery.
| Dew Point | -108.4 to 122 °F (-78 to 50 °C) |
|---|---|
| Dew Point Max Resolution | 0.1 °F/ °C |
| Heat Index | -50.8 to 401 °F (-46 to 205 °C) |
| Heat Index Max Resolution | 0.1 °F/ °C |
| Relative Humidity | 0 to 99.9% |
| Relative Humidity Basic Accuracy | ±3% |
| Relative Humidity Max Resolution | 0.10% |
| Temperature (Air) | -4 to 122 °F (-20 to 50 °C) |
| Temperature (Air) Basic Accuracy | ±1°F/0.6°C |
| Temperature (Air) Max Resolution | 0.1°F/C |
| Wet Bulb | -4 to 122 °F (-20 to 50 °C) |
| Wet Bulb Globe Temperature (WBGT) | -13 to 130 °F (-25 to 54.5 °C) |
| Wet Bulb Globe Temperature (WBGT) Max Resolution | 0.1 °F/ °C |
| Wet Bulb Max Resolution | 0.1 °F/ °C |
| Certifications | CE |
| Dimensions | 5.5 × 1.4 × 0.7" (140 × 35 × 18mm) |
| Power | 1 × CR2032 (1.5V) battery |
| Warranty | 2 years |
| Weight | 1.8oz (50g) |