The TOR-60 unit is designed for automated, accurate measurement of the dielectric strength (breakdown voltage up to 80"�kV) of transformer oil and other dielectric fluids according to IEC 60156, ASTM D877, and ASTM D1816. It can operate autonomously or in a network, transferring results to a PC to create a local database, generate reports, plot graphs, and print results. The device is fully automatic and supports testing both according to standard procedures and custom user-defined procedures.

The TOR-60 unit is designed to measure the dielectric strength of transformer oil and other dielectric fluids according to IEC 60156, ASTM D877, ASTM D1816.

It is a fully automatic device that allows testing according to the procedures defined in these standards, as well as according to the user procedures specified in the appropriate section of the setup menu.

Operating principle

The core of the unit is the high voltage transformer and electronic modules. The unit operates by gradually increasing the voltage on the secondary winding of the high voltage transformer from zero to the maximum voltage, or to the voltage at which an electric breakthrough occurs in the dielectric fluid in the measuring cell installed on the high voltage contacts of the transformer.

The voltage in the secondary winding of the transformer occurs due to gradual increase of voltage in the primary winding supplied with sinusoidal voltage from the control inverter, one of the electronic modules.

Voltage increase is managed by a microcontroller through the control inverter. The control inverter is commanded by the unit control module.

During operation, AC (50-60Hz) voltage is supplied from the secondary winding terminals through the cell electrodes into the dielectric fluid in the measuring cell. The breakthrough occurs between the electrodes in the space filled with the dielectric fluid.

automated and accurate measurement of breakdown voltage up to 80 kV;
instantaneous (4 Î¼s) disconnection of the test voltage upon breakdown;
can work autonomously or in a network with transferring results to a PC, creating a local database, generating reports, plotting graphs and printing results;
there is software for the implementation of standard and custom measurement procedures "" the device can be used for research purposes;
simple and easy to operate and maintain.

Application:

FR3 dielectric fluid
Midel 7131 dielectric fluid
Silicone oil
Transformer oil

noItemValue

1 Operating AC voltage (internal rechargable battery), V85 "" 264

2 Power frequency, Hz48 "" 63

3 Power requirement, VA70 max

3 Max voltage output, kVSinusoidal, up to 80 kV

4 Output voltage measurement accuracy�±1 %

5 Voltage increase rate, kV/sec0,5 to 10 *

6 Resolution of output voltage indication, V100

7 High voltage timeout after breakthrough, Î¼s10 max, 4 typical

8 Measuring cell volume, cm3 (in3)500 (30)

9 Ambient temperature measurement range, °С (°F)-10 "" 50 (14 "" 212)

10 Temperature measurement resolution, °С (°F)0,1 (32,18)

11 Inbuilt printerYes

12 Operating temperature , °С (°F)-10 "" 50 (14 "" 122)

13 Storage temperature, °С (°F)From "" 20 ("" 4) to + 60 (140)

14 Relative humidity, %Up to 90 without condensation

15 Dimensions, mm (in)510 (20) Х 300 (12) Х 334 (13)

16 Weight, kg (lbs), max30 (66)

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