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5478 - T Ohm Meter (5kV) Insulation Tester

5478 - T Ohm Meter (5kV) Insulation Tester

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T Ohm Meter 5478 is a digital multipurpose tester intended for testing, analyzing, inspecting and maintaining high voltage insulation. The instrument offers a complete set of functions to measure and detect effectively all parts of current in an insulation system. The instrument can supply an output power of 5 W and a test voltage of up to 5000 V and therefore is capable of resistance measuring up to 5 T.

Features & Benefits

•Insulation Resistance measurement •Measuring range up to 5 T_

•Programmable timer 1 s ~30 min. •Capacitance measurement up to 50 µF.

•Programmable test voltages 250 V ~5kV.

•Step Voltage measurement

•5 test voltage steps automatically set within selected test voltage range

•Programmable timer 1 s ~30 min / step.

•Withstand voltage measurement

•Programmable ramp test voltage 250 V ~5kV

•High resolution ramp (approx. 20 V / step).

•Leakage current measurement.

•Programmable threshold current 1uA ~1.4mA.

•Voltage and Frequency measurement

•Up to 600 V AC/DC, 45~65 Hz

•Diagnostic measurements

•Measured on DUT are discharge current, voltage and capacitance

•Calculated polarization index.

•Calculated dielectric discharge ratio.

Applications:

Insulation Resistance

Power transformers:

•Distribution Transformers

•Instrument Transformers

•Rotating Maschines

• Bushings

•Cables

 

Surge Arresters:

•Insulation systems

5478 0.19 MB Download

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