Measure Connections, Contacts and Control Circuits with the Raytech WR14

Prior to modern digital electronic equipment, the Kelvin Bridge was used to measure winding resistance. Batteries, switches, galvanometers, ammeters and slidewire adjustments were used to obtain resistance measurements. With modern microprocessor based test equipment testing times have been greatly reduced. Direct readings are available from digital meters with automatic indications telling when a good measurement is available.

Raytech WR14The Raytech WR14 Winding Resistance Meter, a battery or line-operated, field-portable instrument is designed specifically to measure the dc resistance of all types of magnetic windings safely and accurately. Tests transformers and rotating machine windings and performs low-current resistance measurements on connections, contacts and control circuits with the Raytech WR14.

The Raytech WR14 15 Amp Winding Resistance Meter offers 2 independent channels for measuring resistance and can charge inductive loads up to 1500 Henry. It also features a heavy-duty safety circuit and a fast discharge unit for protection. This tester offers the basic functions needed for testing transformers in commercial and industrial facilities.

 

Raytech WR14 15 Amp Winding Resistance Meter measurement parameters

Current Range

Measuring Range

Accuracy

Resolution

10 – 15 A

0.00 μΩ … 1 Ω

± 0.1% Rdg ± 0.1 μΩ

5 Digits or 0.05 μΩ

5 – 10 A

0.0 μΩ … 3 Ω

± 0.1% Rdg ± 0.2 μΩ

5 Digits or 0.1 μΩ

1 – 5 A

0.0000 mΩ … 15 Ω

± 0.1% Rdg ± 0.5 μΩ

5 Digits or 0.5 μΩ

0.5 – 1 A

0.000 mΩ … 30 Ω

± 0.1% Rdg ± 2 μΩ

5 Digits or 1 μΩ

0.1 – 0.5 A

0.000 mΩ … 300 Ω

± 0.1% Rdg ± 5 μΩ

5 Digits or 2 μΩ

25 – 100 mA

0.00 mΩ … 1200 Ω

± 0.1% Rdg ± 20 μΩ

5 Digits or 10 μΩ

– 25 mA

1.2 kΩ … 10 kΩ

± 0.1% Rdg ± 100 mΩ

5 Digits or 200 mΩ

– 25 mA

10 kΩ … 100 kΩ

± 0.5% Rdg ± 10 Ω

4 Digits or 20 Ω

Protec offers multiple locations to better serve your needs, and electrical testing equipment rental options that work for you. 


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