General SAM990DW Psychrometer/Thermo-Hygrometer
The General SAM990DW Psychrometer / Thermo-Hygrometer is a digital psychrometer with a microprocessor based design that displays wet bulb, dew point, humidity and temperature (°F or °C readings) all in one, without any twirling or charts necessary.
Features:
- Large digital display for easy reading
- Min/max memory with reset key, data hold function
- Low battery indicator and an auto power off function for optimum battery conservation and life
Temp. range: -4° to 122°F (-20° to 50°C)
Humidity range: 0 to 100% RH
Dew point: -22° to 122°F (-30° to 50°C)
Temp. accuracy: ±1.8°F (±1°C)
Humidity accuracy: ±5% of reading
Response time: 60 seconds (approx.)
Dimensions: 6.7" x 1.85" x 0.5"
Power source: 2 "AAA" battery