±30kVdc output voltage
10mA output capability
Both voltage and current metered on HV outputs
Automatic earth system for dumping capacitive loads
HV output plug & socket system
Key operated supply switch to prevent unauthorised operation
Zero-volt interlock - for safety
Visual indication of test piece failure
Automatic mains voltage selection
This DC test system includes an automatic load discharge system that discharges the cable under test when the output is switched off or a breakdown occurs. The internal dumping system can discharge a maximum of 2.5kJ on each output, corresponding to 4μF at 30kV. In the event of a test object failure, the overload circuit will automatically switch off the output voltage and earth the output via the internal discharge circuit. A manual discharge probe is also supplied as standard with the unit, allowing higher load capacitances to be safely discharged.
The output voltage is metered by two large, linear, analogue instruments marked 0-30kV. Test object current is metered by two further analogue instruments with 0-10 scale marking. The meters read 0-10mA directly, or 0- 1mA when the ÷10 push button is operated.
The HV output from the unit uses a high quality plug and socket system, allowing for easy cable replacement.
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