testo 635

Technical data

testo 635-1

testo 635-2

testo 635-1 thermohygrometer incl. battery and

calibration protocol

testo 635-2 humidity/temperature measuring

instrument with measurement value store, PC

software and USB-cable incl. battery and

calibration protocol

Part no. 0560 6351

Part no. 0563 6352

General technical data

Operating temperature

-20 to +50 °C

Storage temperature

-30 to +70 °C

Battery type

Alkali manganese, mignon, Type AA

Battery life

200 h

Dimensions

220 x 74 x 46 mm

Weight

428 g

Housing material

ABS/TPE/Metal

Warranty

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

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

See probe data

Resolution

0.1 °C

0.1 °C

0.1 %RH

0.1 hPa

We measure it.

Common advantages

· Connection of 3 radio probes

· Measurement of air humidity, material equilibrium

moisture and pressure dew point in compressed air

systems

· Display of dew point difference, min, max and mean

values

· Print data on Testo printer (optional)

· Backlit display

· Protection type IP 54

Advantage testo 635-1

· Cyclic printing of readings on testo printer, e.g. once per

minute

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)

· U-value probe connection possible

· Storage of single measurements or measurement series

by measurement site

· Quick access to the most important functions via user

profiles

testo-635-P02

06.08.2013

14:19

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