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Testo Temperature Probe to Determine U-Value, Triple Sensor System...
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Brand: Testo
Category: Test & Measuring Equipment › Temperature/Humidity Meter
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 te...
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Description
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.
Additional Details
Temperature sensor for determining the U-value, triple sensor system for determining the wall temperature, incl. kneading compound.
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Product dimensions are not available.
Specifications
Measuring range
-20 to +70 °C
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
footnote_
1) According to standard EN 60584-2, the accuracy of Class 2 refers to -40 to +1200 °C.
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.
Additional Details
Temperature sensor for determining the U-value, triple sensor system for determining the wall temperature, incl. kneading compound.