Extech’s pocket-sized Heat Index Psychrometer Pen easily monitors Heat Index during hot humid days to prevent heat stroke during outdoor activities, sporting events or, indoor workplace. Its pen-sized design makes it convenient to fit into your pocket and carry it wherever you go. Complete with CR2032 battery.
| Temperature | -4 to 122°F (-20 to 50°C) | 0.1°F/C | ±1°F/0.6°C |
| Relative Humidity | 0 to 99.9%RH | 0.1%RH | ±3%RH |
| Wet Bulb | -4 to 122°F (-20 to 50°C) | 0.1°F/°C | |
| Dew Point | -108.4 to 122°F (-78 to 50°C) | 0.1°F/°C | |
| Heat Index | -50.8 to 401°F (-46 to 205°C) | 0.1°F/°C | |
| WBGT | -13 to 130°F (-25 to 54.5°C) | 0.1°F/°C | |
| DImensions | 5.5x1.4x0.7" (140x35x18mm) | ||
| Weight | 1.8oz (50g) | ||
