Dual Probe Measurement
Measurement of air moisture, material equilibrium moisture, pressure dew point
U - Value probe connection
Protection class IP54
Dual Probe Measurement
Measurement of air moisture, material equilibrium moisture, pressure dew point
U - Value probe connection
Protection class IP54
testo 635-1 temperature and humidity measuring instrument, including calibration protocol and batteries.
Caution: The instrument can only be commissioned with a probe. These are available separately.
Temperature - NTC | |
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Measuring range | -40 to +150 °C |
Accuracy | ±0.2 °C (-25 to +74.9 °C) ±0.4 °C (-40 to -25.1 °C) ±0.4 °C (+75 to +99.9 °C) ±0.5 % of mv (Remaining Range) |
Resolution | 0.1 °C |
Temperature - TC Type K (NiCr-Ni) | |
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Measuring range | -200 to +1370 °C |
Accuracy | ±0.3 °C (-60 to +60 °C) ±(0.2 °C + 0.5 % of mv) (Remaining Range) |
Resolution | 0.1 °C |
Humidity - Capacitive | |
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Measuring range | 0 to +100 %RH |
Accuracy | See probe data |
Resolution | 0.1 %RH |
Absolute Pressure | |
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Measuring range | 0 to 2000 hPa |
Accuracy | See probe data |
Resolution | 0.1 hPa |
General technical data | |
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Weight | 428 g |
Dimensions | 220 x 74 x 46 mm |
Operating temperature | -20 to +50 °C |
Product-/housing material | ABS / TPE / Metal |
Battery type | Alkali manganese, mignon, type AA |
Battery life | 200 h |
Storage temperature | -30 to +70 °C |