The units have an output voltage variable from zero to 15kV (KV15-80) or 30kV (KV30-40) with accurate metering on both the output voltage and current. A zero-voltage interlock is provided, ensuring that the output may only be energised with the voltage control at zero.
The output voltage is metered by a large, linear analogue instrument marked 0-20kV on the KV15-80 and 0-40kV on the KV30-40. Both units have a x0.5 range on the voltmeter giving a full scale of 10kV or 20kV respectively. Load current is metered by a second analogue instrument with a full scale of 100mA (KV15-80) or 50mA (KV30-40). A ¸10 range is provided on both units, allowing the full scale on the current metering to be reduced by a factor of 10. The test object and output are protected by an adjustable current trip. The trip level may be set to 10-110% of the rated output in 10% steps. Breakdown of the test object is visibly indicated. The unit must be manually reset after a trip condition before testing can be resumed.
The unit is supplied in a compact, portable case with a permanently connected 2 metre long HV output lead.
The KV30-40 is part of a range of high voltage test systems available from Test and Measurement Hire Limited.
Features
0-15kV (KV15-80) or 0-30kV (KV30-40) output voltage
1.2kVA output capability
Key operated supply switch to prevent unauthorised operation
Dual overload protection
Variable electronic trip - 10-110% of rated output
Voltage and current metering
Zero-volt interlock
Visual indication of test piece failure
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