The Extech Instruments Corporation TP870 is a Rugged 5-in-1 Environmental Meter that measures humidity, temperature, air velocity, light and sound. It features a large dual LCD display that simultaneously shows temperature and air velocity or relative humidity.
The EXTECH EN300 is a rugged 5-in-1 environmental meter designed to measure humidity, temperature, air velocity, light, and sound. It features a large dual LCD simultaneous display that reverses characters depending on the mode selected. The device includes built-in sensors such as a low friction vane wheel, a precision thin-film capacitance humidity sensor, and a thermistor for ambient temperature measurements.
| Relative Humidity Range | 10 to 95%RH |
|---|---|
| Temperature Range (Thermistor) | 32 to 122°F (0 to 50°C) |
| Frequency Weighting/Response | A weighting/fast response |
| Power Source | 6 x AAA batteries |
| Meter Dimensions | 9.8 x 2.8 x 1.3" (248 x 70x 34mm) |
Yes, it has auto power off 10 minutes after the last key is pressed with a disable feature.
The meter measures humidity, temperature, air velocity, light, and sound.
The Type K input measures temperature up to 2372° (1300°C).