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Megger MCTT-10 Current Transformer Tester

Manufacturer part number: MCTT-10
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Key Features and Functions

The Megger MCTT-10 Current Transformer Tester is a portable unit for saturation and ratio testing performed on current transformers by means of the voltage-comparison method. Megger MCTT-10 transformer testers offer a variable voltage output and precision instrumentation for testing single and multi-ratio CTs. This allows the user to measure the CT ratio without the heavy equipment required to determine the CT ratio with the current-comparison method. The Megger MCTT-10 weighs only 37 lbs (16.8 kg) compared to most devices that use the current comparison method, which often weigh in excess of 100 lbs (45 kg).

  • Performs saturation and ratio tests on CTs using the voltage-comparison method
  • Tests bushing CTs mounted inside transformers or switchgear
  • Eliminates the need for large primary injection test systems to test CT saturation and ratio
  • Saturation and ratio tests performed without changing test lead connections
  • Overload and short-circuit protection
  • 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)
  • Input: 115 V +10/-5%, 1 φ, 50/60 Hz OR 230 V +10/-5%, 1 φ, 50/60 Hz
  • Voltmeters: Two 41/2 digit, auto ranging
  • Instrument - Solid-State Instrument Ranges: 0.0000 to 1.9999/19.999/199.99/1000 V
  • Instrument - Solid-State Instrument 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 41/2 digit
  • Ammeter - Solid-State Instrument Range: 0.0000 to 1.9999 A
  • Ammeter - Solid-State Instrument Accuracy: ±0.85% of reading, ±1 digit
  • Enclosure: The unit is housed in a high-strength, molded suitcase-type enclosure with carrying handle and removable cover. Storage space is provided for test leads.
  • Dimensions: 9.9 H x 14.1 W x 11.9 D in. (251 H x 357 W x 287 D mm)
  • Weight: 37 lbs (16.8 kg)
Description

Key Features and Functions

The Megger MCTT-10 Current Transformer Tester is a portable unit for saturation and ratio testing performed on current transformers by means of the voltage-comparison method. Megger MCTT-10 transformer testers offer a variable voltage output and precision instrumentation for testing single and multi-ratio CTs. This allows the user to measure the CT ratio without the heavy equipment required to determine the CT ratio with the current-comparison method. The Megger MCTT-10 weighs only 37 lbs (16.8 kg) compared to most devices that use the current comparison method, which often weigh in excess of 100 lbs (45 kg).

  • Performs saturation and ratio tests on CTs using the voltage-comparison method
  • Tests bushing CTs mounted inside transformers or switchgear
  • Eliminates the need for large primary injection test systems to test CT saturation and ratio
  • Saturation and ratio tests performed without changing test lead connections
  • Overload and short-circuit protection