GlobeCore / Products / Instruments - Transformer Oil Testers / TOR-80A (TOR-80 ASL) Transformer Oils Breakdown Voltage Tester with Battery

TOR-80A (TOR-80 ASL) Transformer Oils Breakdown Voltage Tester with Battery

80 kV | Breakdown voltage | Battery | Compact

The TOR-80A tester is a portable device for measuring the dielectric strength (breakdown voltage up to 80 kV) of transformer oil and other liquid dielectrics. It operates in accordance with IEC 60156, VDE 0370, ASTM D877, ASTM D1816, and IRAM 2341 standards, which can be updated or expanded to meet evolving regulations and customer requirements. Equipped with an internal rechargeable battery, the TOR-80A allows for fully autonomous operation directly on-site, providing accurate and reliable measurements in the field.

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The TOR-80A (TOR-80 ASL) tester is designed for assay transformer oil and other liquid dielectrics by measuring the electrical breakthrough voltage. The electrical breakthrough voltage is measured in accordance with IEC 60156, VDE 0370, ASTM D877, ASTM D1816, IRAM 2341. This list of standards can be modified and expanded according to the customers’ wishes and to the development of standards’ new versions.

The TOR-80A (TOR-80 ASL) tester feature is an internal rechargable battery that provides the possibility of autonomous operation in the field at the place of the transformer functioning.

Testing procedure

The start screen appears on the display after filling the measuring cell with oil and switching the device on. The operator selects the type of oil and the procedure of testing. TOR-80A starts testing automatically. The result totals are displayed after the last test cycle breakthrough. If needed result totals can be transferred for printer directly from the tester.

No.	Parameter	Value
1	Operating AC voltage, V	85–264
2	AC power frequency, Hz	48–63
3	Power requirement, VA	70 (max)
4	Max output voltage, kV	Sinusoidal, up to 80 kV RMS
5	Output voltage measurement accuracy, %	± 1
6	Voltage increase rate, kV/sec (adjustable)	0.5–10.0
7	Output voltage display resolution, V	100
8	High voltage shutoff time after breakdown, µs	10 (max), 4 (typical)
9	Measuring cell volume, cm³	500 (30.5)
10	Temperature measurement range, °C (°F)	0–100 (32–212)
11	Temperature measurement limit, °С (°F)	0.1 (32.18)
12	Integrated printer	Yes
13	Rechargeable battery pack	Yes
14	Continuous offline (battery-powered) operation time, h	8
15	Battery charging time, h	8
16	Operating temperature, °С (°F)	-10–50 (14–122)
17	Transportation and storage temperature, °C (°F)	From -15 to +40 (from 4.99 to 104)
18	Relative humidity, %	Up to 90, non-condensing
19	Atmospheric pressure, mmHg	630–800
20	Overall dimensions, mm (in)	510 х 300 х 413 (20.1 х 11.8 х 16.3)
21	Weight, kg (lbs), max	38.1 (84)

tester can work autonomously for eight hours on fully charged battery;
tester meets the highest technical requirements, has modern electronics, design and software;
tester is a reliable, practical and easy to use device;
tester saves time and money by testing the oil at the transformers operation site.