0614 1635|Temperature probe to determine U-value, triple sensor system...
订货号：
0614 1635
优势：
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Why not enjoy the benefits that it has to offer: >> To the product The testo 635-1 temperature and humidity measuring instrument enables you to measure the temperature, air humidity and dew point – in compressed air as well. State-of-the-art technology and a large selection of probes, which are available as an option, enable this wide variety of measuring possibilities.The testo 635-2 temperature and moisture meter allows you to carry out temperature and moisture measurements on a variety of different materials, surfaces and environments. This is made possible due to leading-edge technology and a wide selection of optionally available sensors.The U-value is the most important value for proving the heat loss of a building. With the testo 635-2 thermohygrometer and compatible accessories from the U-value set, determining the U-value is now easier than ever.Temperature probe to determine U-value, triple sensor system for measuring wall temperature, modelling clay included
详情：
The U-value (formerly k-value) is the most important value used to rate the energy efficiency of building components. With the new testo 635 measuring this value has never been easier.
Three temperature values are needed to determine the U-value: outer temperature, surface temperature of inner wall as well as indoor air temperature.
Using the new wireless probes, the outer temperature can be quickly and easily measured with the window closed. The probe is simply positioned outside and transmits readings by radio to the measuring instrument in the room.
With the new patented U-value probe the two other temperatures required are measured using one probe. To measure surface temperature, three wires from the U-value probe are attached to the inner wall using modelling clay. The air temperature is measured by a sensor on the probe plug.
The three temperatures needed are determined by the connected temperature probes and transferred to the testo 435. The instrument calculates the U-value from them and shows it directly in the display.
技术数据：
Temperature - TC Type K (NiCr-Ni)
| Measuring range | -20 to +70 °C |
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| Accuracy | Class 1 ¹⁾ U-value: ±(0.1 °C + 0.2 % of mv)* *when used with an NTC or wireless humidity probe for measuring outside temperature and 20 K difference between the air inside and outside |
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| 1) According to standard EN 60584-2, the accuracy of Class 2 refers to -40 to +1200 °C. |
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