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The ACDC Electronics EL750B is a portable, benchtop Electronic Load rated at 750W. The EL750B is ideal for verification of power supply operation. Static or dynamic resistance loading tests performance such as output regulation or transient response. External variable load modulation can determine output impedance at specific frequencies. In the constant current mode, it functions to test discharge rates of batteries or capacitor banks. Used with a DC power source, it becomes a variable constant current supply useful for measurement of resistance values of components or motor coils under operating conditions. The forward voltage drop of rectifier diodes or high current terminal connections can also be tested in this fashion. Remote programming is available through a rear panel connection. Automatic protection circuits keep the EL750B safe from overload conditions. Automatic 2 level current switching is provided. Specifications. Max loading power: 750 W. Max loading voltage: 55 VDC. Min loading voltage: 1.8 VDC. Max loading current: 150 A. Dynamic testing loading: 120 Hz or 1 kHz. Responce time; 1 us per amp or 60 us. Current signal output: 1 mV per amp. Meter ranges. Voltmeter: 0 to 60 VDC. Ammeter: 0 to 10A, 0 to 50A, 0 to 100A, 0 t0 200A. Accuracy +/- 2% full scale.
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