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| High accuracy thermohygrometer testo 635 For standard atmospheric environment probe or separate humidity and temperature probes. With calibration protocol and battery. Without probe. The dew point value between the environmental air and surfaces can be determined with separate probes. Relative humidity and temperature are displayed simultaneously, the dew point is determined at the touch of a button. Data is documented using the accessory Testo logging printer. Measuring ranges: Combination probe: 0 to 100 %R.H. -20 to +140 °C -50 to +100 °C td (Dew point) Temperature probe: -50 to 1000 °C (NiCr-Ni) Accuracy: (Moisture see probe) -40 to +900 °C: ±1 °C, ±0.5 % Meas. value. ±2 °C, ±1 % Meas. value: rest of range Product Specification: Product Type: Standard atmospheric environment probe up to 70°C | |
| Catalogue Number | 9.718 661 |
| Manufacturer | Testo |
| Manufacturer P/n | 06369735 |
| VWR Ref | 620-1233 |
| Length mm | 140 |
| PK | 1 |
| Measuring range | -20 ... 70 °C 0 ... 100 % RH |
| Max. relative humidity rate % | 12 |
| VWR: | 620-1233 |