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HM40S offers an easy and reliable solution for humidity and temperature measurements where cable probe is required. Ideal for concrete moisture measurements using the borehole method. The interchangeable HMP40S probe connects easily to the HM40 indicator with a snap-on connector enabling convenient use of multiple probes with one indicator. The measurement data can be displayed in numeric, graphic or statistic views. The rugged HMP40S probe is IP65 classified.
Includes
| Measurement parameter(s) | Relative humidity Temperature Absolute humidity* Dew point temperature* Enthalpy* Mixing ratio* Wet bulb* |
| Measurement range | 0 ... 100 % RH -40 ... +80 °C (-40 ... +176 °F) T |
| Measurement accuracy | At temperature +0 ... 40 °C (+32 ... +104 °F): ±1.7 % RH (0 ... 90 % RH) ±2.5 % RH (90 ... 100 % RH) ±0.2 °C T |
| Operating temperature | Probe: -40 ... +80 °C (-40 ... +176 °F) T Indicator: -10 ... +60 °C (+14 ... +140 °F) T |
| Operating voltage | 2xAA-size alkaline batteries, type IEC LR6 |
| Housing classification | IP65 for probe IP54 for HM40 indicator |
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