Extech RH300 handheld digital psychrometer (hygro-thermometer) with a capacitance sensor and LCD display: measures relative humidity and air temperature and displays dew point or wet bulb temperature, with data hold and min./max. memory. Powered by 2 AAA batteries (included). 7 x 1.9 x 1 in body. The listing mentions an optional external probe (not included) and optional RH calibration bottles.
Features
- Capacitance sensor, LCD display
- Air temperature: -4 °F to 122 °F (-20 °C to 50 °C); stated accuracy ±1.8 °F (±0.6 °C)
- Relative humidity: 0 to 100%; stated accuracy ±3%; 60 s response time
- Dew point: -90.4 °F to 122 °F (-68.0 °C to 49.9 °C); wet bulb temperature displayed
- Data hold, min./max. memory
- Batteries: 2 AAA included; stated battery run time 80 h
- Optional external probe (not included): -4 °F to 158 °F (-20 °C to 70 °C)
- NIST-traceable calibration certificate not included
Specifications
| Specification | Value |
|---|
| Brand | Extech |
| Model | RH300 |
| Type | Digital psychrometer / hygro-thermometer |
| Sensor | Capacitance |
| Display | LCD |
| Batteries | 2 AAA (included) |
| Dimensions | 7 x 1.9 x 1 in |
| Sold as | 1 meter |
References
| Manufacturer part number (MPN) | Big Papa SKU |
|---|
| RH300 | BP-G-EXT-RH300 |
