Extech RH300 Hygro-thermometer with pen-style RH/temperature probe and PC interface for data logging. Displays humidity, air temperature, dew point and wet bulb.
| Humidity | 10 to 95% RH (+/-3%) |
| Air temp | -20 to 60 degC |
| Dew point | -25.3 to 48.9 degC |
| Wet bulb | 0 to 80 degC |
| Pen-style probe | |
| USB PC interface | |
| Power | 9V battery |
| MOQ | 1 |