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Saelig Introduces T3RC Rogowski Coil Current Probes For A.C. or Fast Pulse Current Measurements

Saelig Company, Inc. has introduced Teledyne Test Tools T3RC Rogowski Current Probes that offer broad current measurement ranges and a wide frequency span which are also easy to use in difficult-to-reach parts of circuits. Five models are available, providing measurement capabilities up to 6,000 amps and with the capability to connect around the leg of a small T0-220 device. The probes connect to any standard oscilloscope via a conventional BNC connection.

The flexibility of the probe sense coil means that measurements can usually be made without modification to the circuit under test, giving more accurate electrically-isolated results with a very low insertion load (a few pH). Being designed for either battery power or wall plug operation, these Rogowski Current Probes are equally suited to field work or benchtop measurements.

The T3RC0300-UM version features the smallest cross-section sense coil at only 1.7 mm to allow probing around the leg of small power components such as inductors, capacitors or even switching devices as small as a TO-220 MOSFET. The T3RC0600-HF and T3RC3000-HF models cover applications up to 600 A and 3000 A respectively. With extended high frequency coverage, 5 kV peak insulation and wide operating temperature range from -40 degC to +125 degC, these probes are ideal for both industrial temperature as well as general environments. The T3RC3000-LF and T3RC6000-LF versions offer an extended low frequency performance down to less than 1 Hz. The low frequency performance means that the maximum droop on low frequency pulses is typically 0.1%/ms or less, while offering the highest level of peak insulation of 10 kV and an operating temperature range of -20 degC to +100 degC.
 

T3RC Features

  • 5 different probes cover a wide range of applications.
  • Maximum current measurement coverage up to 6000 A.
  • Maximum voltage insulation up to 10 kV peak.
  • Connect to a wall plug or use with batteries.
  • Low loading of the circuit under test.
  • Wide coil operating temperature from -40 degC to +125 degC on (UM and HF), -20 degC to100 degC (LF).
  • Use without modification to the DUT.

Applications include current measurements in R&D, motor drives, power converters, system maintenance, etc. The Teledyne LeCroy T3RC probes are available now from their authorized North American distributor Saelig Company, Inc. Fairport, NY.

Source: http://www.saelig.com/

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