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Megger Three Phase Transformer Turns Ratio TTR Tester 550503 NIST Calibrated
This item is a great condition used Megger Three Phase Transformer Turns Ratio TTR Tester 550503. Calibrated to NIST Traceable Standards on July 09, 2025 . Includes hard case, Soft case for cables, TTR test cable, X cable, H cable, Ground cable, Remote cable, RS-232 cable and power cord, CD and manual and NIST traceable calibration certificate. All pictures are of the actual unit and accessories.
 
This item comes with a 180 day warranty. All functions are guaranteed to work or money will be refunded.
 
Item is in-stock and located in Texas.
 
International Buyers – Please Note: Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying. For more information of clarification, please ask.
 
Will ship worldwide. We make our best efforts to get you the best shipping prices. Contact us for other international rates and we will be pleased to give you a quote. We accept VISA / Mastercard. Paypal is also accepted. Sales to within Canada are subject to 5% GST.  Ontario sales subject to 13% HST.
 
Contact us for Calibration options, including ISO 17025 Accredited Calibration for your Test Equipment! Visit stratatek.com/calibration for more details.

Megger Three Phase Transformer Turns Ratio TTR Tester 550503 NIST Calibrated

$4,249.00Price

  • The Megger 550503 Three-Phase Automatic TTR is a robust and highly accurate transformer turns ratio test set, ideal for substation and manufacturing environments. With its wide measurement range, automatic operation, and built-in data storage, it streamlines transformer testing while ensuring precision and reliability even in harsh field conditions.

     

    • Turns Ratio Range: Up to 45,000:1

    • Accuracy: ±0.1% (for 0.8 to 2000 ratio range)

    • Excitation Voltages: 8 V, 40 V, 80 V (auto or manual selection)

    • Phase Deviation Accuracy: ±3 minutes

    • Excitation Current Range: 0–500 mA, ±2% accuracy

    • Memory: Stores up to 200 three-phase test results

    • Interface: RS232C port for PC/printer connection

    • Software: Includes ComLink for test control, storage & Excel reporting

    • Display: High-contrast LCD (256x128 dot matrix)

    • Operating Temperature: -5°C to 50°C (23°F to 122°F)

    • Dimensions: 10.5 x 17.5 x 6.9 in (266.7 x 444.5 x 175.3 mm)

    • Weight: Approx. 16.5 lbs (7.5 kg)

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