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Rent the Raytech WR14 to Test Transformers, Rotating Machine Windings

Raytech WR14 15 Amp Winding Resistance MeterWhen it comes to testing transformers and rotating machine windings, the Raytech WR14 15 Amp Winding Resistance Meter performs low-current resistance measurements on connections, contacts and control circuits.

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The WR14 is a battery or line-operated, field-portable instrument designed specifically to securely and precisely measure the DC resistance of all types of magnetic windings.

With 2 independent channels for measuring resistance the WR14 can charge inductive loads up to 1500 Henry, and features a heavy-duty safety circuit and a fast discharge unit for protection.

Raytech WR14 features:

  • Pure, filtered DC power source for the highest accuracy readings
  • Charges inductive loads up to 1,500 Henry
  • Battery-operated
  • High power DC supply (15A / 30V)
  • 2 independent measuring channels
  • Highest Accuracy and Precision of any high current test system
  • Automatic measurements of resistance from 0.00 µΩ … 100 kΩ
  • Demagnetizing Circuit (Advanced design)
  • Microprocessor-based system with internal storage for over 10,000 test results
  • Temperature channels with automatic resistance correction
  • Panel-mounted Emergency Stop Switch
  • Fully automatic cooling curve analysis (option AHRT-01)
  • Fast discharge with discharge indicator – visible and audible indicator for discharge status
  • Simple-to-operate color LCD touch screen with backlight
  • Storage and printing of test results
  • Complete automatic calibration system and system diagnostics
  • Standard USB 2.0 & RS-232 (serial) Interface
  • Mounted in rugged case for field testing


Raytech WR14 specs:

  • Size: L: 470 mm (18.5″) W: 357 mm (14.1″) H: 176 mm (6.9″)
  • Weight: 9.6 kg (21.1 lbs.)
  • Input Power: 88 to 264 VAC, 47…63 Hz, or 12V DC (charging only)
  • Output Voltage: 0 to 30V DC
  • Test Current: User Selectable: 25mA … 15A
  • Color LCD with a back light and a touch screen
  • Front Panel: Sealed, anodized
  • Interface: 2 USB 2.0 (1 host, 1 device) and 9 Pin RS-232 serial
  • Memory Storage: Internally stores more than 10,000 test results
  • Temperature: Operating: –10°C to 60°C (14ºF to 140ºF), Storage: –20°C to 70°C (-4ºF to 158ºF)
  • Battery Duration: 200 single measurements at 15A

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