cycles to 28 volts dc at 10 amp with a regulation accuracy of Ap0.2 per cent against line voltage changes. The maximum ... With these controls the center heater is supplied current from a 28 v dc Noba- tron through a 40 ohm slide wire resistor. This setting is ... These measurements are taken on a Leeds aamp; Northrup (K-2) potentiometer through a precision volt box which has a reduction of 100 to 1. ... Figure 8 is a wiring diagram of the important parts of the hot plate controls. Switchesanbsp;...
|Title||:||symposium on thermal conductivity measurements and applications of thermal insulations|
|Author||:||American Society for Testing and Materials, American Society for Testing Materials. Philadelphia National Meeting, Symposium on Thermal Conductivity Measurements and Applications of Thermal Insulations|
|Publisher||:||ASTM International - 1957|