ds should be to 50 hours to vibrations at 1,800 vibrations per minute, uniform. maintaining the supply voltage as previously explained. Engine-cylinder thermometer tester.—An instrument Scale-error tests are made before and after vibrating, used in the held for testing copper-constantan thermo- to… … Figure 10.—Tester for copper-constantan thermoelectric thermometers. termediate junctions. An easier and more accurate method, however, is to test sample thermocouples made nections of the tester. This tester was built according of longer lengths of wire, from each batch of wire to the design and…
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