testo 635
We measure it.
Technical data
Common advantages
testo 635-1
· Connection of 3 radio probes
· Measurement of air humidity, material equilibrium
moisture and pressure dew point in compressed air
systems
testo 635-1 thermohygrometer incl. battery and
calibration protocol
· Display of dew point difference, min, max and mean
values
Part no. 0560 6351
· Print data on Testo printer ꢀoptional)
· Backlit display
· Protection type IP 54
testo 635-2
Advantage testo 635-1
testo 635-2 humidity/temperature measuring
instrument with measurement value store, PC
software and USB-cable incl. battery and
calibration protocol
· Cyclic printing of readings on testo printer, e.g. once per
minute
Part no. 0563 6352
Advantages testo 635-2
· Instrument store for 10000 readings
· PC software for filing and documenting measurement
data
· Direct display of material moisture due to storable
characteristics curves ꢀBasis: material equilibrium
moisture)
General technical data
Operating temperature
Storage temperature
Battery type
-20 to +50 °C
-30 to +70 °C
Alkali manganese, mignon, Type AA
200 h
· U-value probe connection possible
· Storage of single measurements or measurement series
by measurement site
Battery life
Dimensions
220 x 74 x 46 mm
428 g
· Quick access to the most important functions via user
profiles
Weight
Housing material
Warranty
ABS/TPE/Metal
2 years
Sensor types
Type K (NiCr-Ni)
NTC (humidity probe)
Testo humid. sensor,
cap.
Absolute pressure
probe
Measuring range
-200 to +1370 °C
-40 to +150 °C
0 to +100 %RH
See probe data
0 to 2000 hPa
Accuracy
1 digit
0.5 °C ꢀ-60 to +60 °C)
ꢀ0.2 °C + 0.3% of mv)
ꢀremaining range)
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)
See probe data
Resolution
0.1 °C
0.1 °C
0.1 %RH
0.1 hPa