The testo 635 2 is an instrument designed for measuring air moisture material equilibrium moisture and pressure dewpoint in compressed air systems.
Air temperature and moisture meter.
The testo 606 2 measures the moisture content of a variety of different types of wood and building materials.
The testo 635 2 temperature and moisture meter can display min max avg values and calculate the dew point difference between the indoor air and the surface of the wall.
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The permissible value is 80 at 20 c air temperature 70 at 22 c 62 at 24 c and only 55 at 26 c air temperature.
Apart from being able to measure moisture in the same way as the testo 606 1 moisture meter the testo 606 2 is also able to measure relative humidity and air temperature and calculate the dew point and wet bulb temperature.
The increased ability to carry moisture can be calculated as.
The maximum moisture content in air with temperature 50 o c is 83 g m 3.
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Air is heated from 20 o c to 50 o c.
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From the table above the maximum moisture content in air at 20 o c is 17 3 g m 3 and.
100 83 g m 3 17 3 g m 3.
Example moisture carrying capacity in heated air.
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Precision probes up to 60 c tpd are available to check pressure dewpoint in compressed air systems.
Moisture characteristics can be recorded in the instrument memory and analysed and displayed in graphics or tables.
There are humidity meters for indoor climate measurements that are equipped with a sensor for measuring the flow velocities and other special devices with functions for assessing the heat stress load.
New flashlight function rapidly readings of moisture and temperature work in over 100 materials best at checking lumber and hardwood for building.