- Relative humidity
- Material moisture
- Material compensation moisture
- Pressure dew point in compressed air systems
- HTC value
- Air temperature
- Surface temperature
- Core temperature
- Absolute pressure
Two sensor ports for pluggable sensors; up to 3 further temperature or moisture sensors which can be connected via wireless with the temperature and moisture meter. The results are presented on the easy-to-read display. Your meter can be upgraded with an optionally available plug-in type wireless module which can transmit a wireless signal over a distance of up to 20 meters.
Delivery Scope
testo 635-2 temperature and moisture meter, PC software, USB data cable, calibration protocol, batteries. PLEASE NOTE: a sensor (not in scope of supply) is required to operate the meter.
| Temperature - NTC | |
|---|---|
|
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) | |
|---|---|
|
Measuring range |
-200 to +1370 °C |
|
Accuracy |
±0.3 °C (-60 to +60 °C) ±(0.2 °C + 0.3 % of mv) (Remaining Range) |
|
Resolution |
0.1 °C |
| Humidity - Capacitive | |
|---|---|
|
Measuring range |
0 to +100 %RH |
|
Accuracy |
See probe data |
|
Resolution |
0.1 %RH |
| Absolute Pressure | |
|---|---|
|
Measuring range |
0 to 2000 hPa |
|
Accuracy |
See probe data |
|
Resolution |
0.1 hPa |
| General technical data | |
|---|---|
|
Storage temperature |
-30 to +70 °C |
|
Weight |
428 g |
|
Dimensions |
220 x 74 x 46 mm |
|
Operating temperature |
-20 to +50 °C |
|
Housing |
ABS / TPE / Metal |
|
Warranty |
2 years |
|
Battery type |
Alkali manganese, mignon, type AA |
|
Battery life |
200 h |