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ASTM D 877 - ISO NF EN 60156 - IP 295 - NFC 27221

DIELECTRIC BREAKDOWN VOLTAGE OF INSULATING FLUIDS

This test method covers the determination of the dielectric breakdown voltage of insulating fluids.

MAIN CHARACTERSTICS:

Complete tester for dielectric breakdown voltage. Model OTS60AF/2 delivered with oil test vessel fitted with spherical electrodes and oil test set preparation kit comprising: stirrers, mushroom and cylindrical electrodes, electrode spacing gauge and protective cover.

The OTS 60 Oil Test Set is a fully automatic Oil Test set that reduces the operator's tasks of preparing and loading the oil sample into the test chamber and initiating the required test sequence.

On completion, the mean breakdown value of tests in the sequence is given and the value for each individual test may be recalled. Standard deviation calculations are automatically carried out and displayed when specified by the test standard. Maximum test voltage for the test set is 60 kV. The test set is microprocessor controlled. Test sequences for many national and international standards are programmed into the test set memory.

The parameters programmed into the test set include stand times, stir times, rate-of-rise of applied voltage and number of tests. A five-minute test sequence is available for rapid assessment of the condition of the oil sample.

ALTERNATIVE: - NL 27196

Portable tester for routine analysis - Model OTS60PB - delivered with 4 oil vessels, 1 pair of spherical, mushroom and cylindrical electrodes, spacing gauge and protective carrying case.

Catalogue No. NL 23797