The SRH77 measures relative humidity, pulp and air temperatures simultaneously.
It can also calculate wet bulb temperature.
- Backlight display for dark environments
- Sealed keypad which protects the instrument from spills and dust
- Min/Max memory and Scan mode
- Includes: Model 1075 General Purpose Puncture Probe, Model 4011 Pipe Strap Probe, and Model 5028 Humidity Probe
- Range: -40°F to 300°F
- ±2% from 20 to 80% RH, otherwise 3%
- 0.3°F or ±0.5% reading, whichever is greater
- Resolution: 0.1°F, 1% RH
- Powered by 9 volt alkaline battery (included)
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this is high quality product for calibration.