Description
Testo | Thin humidity probe (Ø 4 mm) - for material moisture
Order-Nr. 0636 2135
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Measurement of the material moisture via the equilibrium moisture content
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Slim design (Ø 4 mm) with remote electronics – ideal for tight measuring points
The slim humidity probe measures material moisture via the equilibrium moisture content and can very easily be used in recesses or bore holes thanks to its slim design and remote electronics. The material moisture can also be determined directly in the instrument in combination with the testo 635 temperature and humidity measuring instrument.
Product Description
Equilibrium moisture content is ideally measured in a bore hole in the material. The thin humidity probe with a probe shaft diameter of 4 mm (connected to an appropriate measuring instrument) is good to use here, so as to keep the bore hole as small as possible. It should be protected against contamination by a PTFE cap during measurement. The bore hole can easily be sealed with adhesive modelling clay.
The attached measuring instrument (testo 635) automatically calculates the material moisture based on the measured equilibrium moisture content and shows this in the display. The material moisture calculation is available for the following materials: concrete, high-insulation brick, solid brick, hard wood, soft wood, aerated concrete, particle board, calcium sulphate flowing screed, cement flowing screed and lime sand brick.
Delivery Scope
Thin humidity probe (Ø 4 mm) with PTFE protective cap and adhesive modelling clay (4 items), including fixed cable.
Technical Data
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Temperature - NTC |
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Measuring range |
0 to +40 °C |
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Accuracy |
±0.2 °C
*Please also take into account the device uncertainty. |
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Humidity - Capacitive |
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Measuring range |
0 to 100 %RH |
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Accuracy |
±2 %RH at +25 °C (+2 to +98 %RH)
±0.15 %RH/K (k=1)
long-term stability: ±1 %RH / year
*The sensor accuracy corresponds to the system accuracy. |
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General technical data |
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Length probe shaft |
60 mm |
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Diameter probe shaft |
4 mm |
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