Megger CTER-91 Power Transformer Testing

Using the voltage-comparison method, Megger CTER-91 Power Transformer Testing provides a variable-voltage output up to 1000 volts and precision instrumentation for testing single and multi-ratio CTs.

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SKU: 5321

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Megger CTER-91 Power Transformer Testing

breakers or switchgear – without moving bushings and CTs. Using the voltage-comparison method, Model CTER-91 provides a variable-voltage output of up to 1000 volts and precision instrumentation for testing single and multi-ratio CTs.

Megger CTER-91 Key Features

The Megger CTER-91 is a specialized instrument designed for comprehensive testing of power transformers, an essential tool in the maintenance and verification of these critical components in electrical power systems. The CTER-91 is renowned for its capability to perform a variety of tests crucial for assessing the condition and performance of transformers, making it an invaluable asset for utility companies and maintenance teams.

  • Versatility in Testing: The CTER-91 can perform multiple tests, including turns ratio testing, excitation current measurement, and winding resistance measurements. This versatility enables technicians to obtain a comprehensive overview of a transformer’s condition from a single test unit.
  • Precision and Accuracy: The device is highly accurate, providing precise measurements that help in identifying potential issues before they become critical. It ensures that transformers are operating efficiently and within their design specifications.
  • User-Friendly Interface: Designed with the user in mind, the CTER-91 features an intuitive interface that simplifies complex testing procedures. The clear display and straightforward controls reduce the risk of operator error and streamline the testing process.
  • Portable Design: The CTER-91 is designed for field use with a rugged, portable casing that can withstand the rigors of outdoor environments. This portability is crucial for on-site testing in various locations, from remote substations to industrial settings.
  • Speed and Efficiency: It provides quick test setup and execution, which is vital for reducing downtime during power transformer maintenance and testing. The quick turnaround on test results helps in making timely decisions regarding transformer maintenance.
  • Safety Features: Safety is paramount in high-voltage testing, and the CTER-91 includes several safety features, such as protection against overcurrent and incorrect connections. These features ensure the safety of the testing personnel and the equipment being tested.

Megger CTER-91 Power Transformer Testing specifications:

  • Input: 120 V, 1 f, 50/60 Hz OR 240 V, 1 f, 50/60 Hz
  • Output Continuously variable in four ranges:
    0 to 40 V at 1.5 A max
    0 to 150 V at 1.5 A max
    0 to 600 V at 1.5 A max
    0 to 1000 V at 1.0 A max (5 min on, 15 min off)
  • Voltmeters: Two 4 1⁄2 -digit, autoranging
  • Solid-state Instruments
  • Ranges: 0.0000 to 1.9999/19.999/199.99/600.0/1000 V
  • Accuracy: ±0.25% of reading, ±1 digit for 1 to 1000 V; ±1% of
  • reading ±1 digit for 0.2 to 1 V
  • Ammeter: One 4 1⁄2 -digit
  • Range: 0.0000 to 1.9999 A
  • Accuracy: ±0.85% of reading, ±1 digit
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  1. mike

    Amazing service, highly recommend

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Brand

Megger

Megger

Megger since 1889 is a leading global premium manufacturer of measurement and testing technology. Megger top priority has always been to make your everyday work easier and safer. As such, insulation testers, micro-ohmmeters, and multimeters are among the long line of Megger inventions, making this brand one of the pioneers in the electrical industry. Megger products combine many years of experience and the valued feedback from our global users with the inventiveness and conscientiousness of our product developers. In Germany, we manufacture at three sites, Aachen, and Baunach near Bamberg and Radeburg near Dresden. Other manufacturing locations are based in Sweden, England, and America.

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datasheet

Data Sheet

specifications

Specification Details
Input 120 V, 1 f, 50/60 Hz OR 240 V, 1 f, 50/60 Hz
Output (Continuously variable in four ranges)
  • 0 to 40 V at 1.5 A max
  • 0 to 150 V at 1.5 A max
  • 0 to 600 V at 1.5 A max
  • 0 to 1000 V at 1.0 A max (5 min on, 15 min off)
Voltmeters Two 4 1⁄2-digit, autoranging solid-state instruments
Voltmeter Ranges 0.0000 to 1.9999/19.999/199.99/600.0/1000 V
Voltmeter Accuracy ±0.25% of reading, ±1 digit for 1 to 1000 V; ±1% of reading ±1 digit for 0.2 to 1 V
Ammeter One 4 1⁄2-digit
Ammeter Range 0.0000 to 1.9999 A
Ammeter Accuracy ±0.85% of reading, ±1 digit