The Extech RH300 Hygro-Thermometer Psychrometer is a versatile, compact meter designed for accurate measurement of relative humidity, air temperature, dew point, and wet bulb temperature. Ideal for field applications, the RH300 simultaneously displays multiple readings, making it a valuable tool for HVAC professionals, building inspectors, and environmental testing. It features a built-in sensor cap for protection, along with Data Hold, Auto Power Off, and MAX/MIN functions for efficient use. The optional external probe (TP890) allows for temperature differential calculations (T1-T2 and T2 minus dew point), providing even more measurement flexibility. Its easy-to-read display and portable design make it the perfect companion for on-the-go measurements.
Key Features:
- Simultaneous Display: Shows relative humidity, air temperature, and dew point or wet bulb temperature on a clear, easy-to-read screen.
- T1-T2 Differential Calculation: With the optional TP890 external probe, calculate temperature differentials for precise monitoring.
- Data Hold Function: Freeze the current reading on the display for easy recording.
- Auto Power Off: Automatically conserves battery life when the device is not in use.
- MAX/MIN Reading: Quickly access the maximum and minimum recorded values for better analysis.
- Durable and Compact Design: Features a protective sensor cap to guard the sensor during transport and use.
Specifications:
- Dew Point Range: -90.4 to 122°F (-68.0 to 49.9°C)
- Relative Humidity Range: 10% to 90%
- Relative Humidity Basic Accuracy: ±3%
- Relative Humidity Max Resolution: 0.1%
- Temperature (Air): -4 to 122°F (-20 to 50°C)
- Temperature (Air) Basic Accuracy: ±1.8°F (±1°C)
- Temperature (Air) Max Resolution: 0.1°F/°C
- Temperature (Type K): -4 to 158°F (-20 to 70°C)
- Temperature (Type K) Basic Accuracy: ±1.8°F (±1°C)
- Wet Bulb Range: -6.9 to 122°F (-21.6 to 49.9°C)
Box Including:
- Extech RH300 Hygro-Thermometer Psychrometer
- Protective Sensor Cap
- 2 AAA Batteries (included)
- User Manual
