EAW Thermokreuz Röhre, Thermoumformer, 25 mA
Thermoelement, Thermal converter
Thermocouple
Partially illegible marking • Marquage partiellement illisible • Teilweise unleserliche Kennzeichnung
EAW Relaistechnik GmbH is a German manufacturer of thermal controls and relays for electrical products and is headquartered in Berlin.
Such tubes were formerly used to measure high-frequency antenna currents. The principle is that 2 threads are stretched crosswise and touch in the middle. Nevertheless, there is an insulation between the two wires. A high-frequency current flows through a wire, which heats it up. The heat is transferred to the other wire and changes its resistance, which can then be measured with a normal instrument.
![Thermokreuz, Thermoelement, Thermocouple](Thermokreuz.png)
![EAW Thermokreuz Röhre, Thermoumformer, 25 mA](sp059a.jpg)
Hauteur • Height • Höhe : 61 mm • 2" 3/8
Diamètre • Diameter • Durchmesser : 28 mm • 1" 1/8
![EAW Thermokreuz Röhre, Thermoumformer, 25 mA](sp059b.jpg)
![EAW Thermokreuz Röhre, Thermoumformer, 25 mA](sp059c.jpg)
![EAW Thermokreuz Röhre, Thermoumformer, 25 mA](sp059d.jpg)
![EAW Thermokreuz Röhre, Thermoumformer, 25 mA](sp059e.jpg)
![EAW Thermokreuz Röhre, Thermoumformer, 25 mA](sp059f.jpg)
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