Megger (AVO Biddle)

Megger TTR310E

Three Phase Transformer Turn Ratio (TTR) Test Set
0.8:1 to 10,000:1 Measurement Range
±0.1% of reading Accuracy
8 V AC (nominal) Test Voltage
Internal rechargeable battery or 115/230 V AC, 50/60 Hz Power Supply
Backlit LCD Display
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Attribute Value
Measurement Range 0.8:1 to 10,000:1
Accuracy ±0.1% of reading
Test Voltage 8 V AC (nominal)
Power Supply Internal rechargeable battery or 115/230 V AC, 50/60 Hz
Display Backlit LCD
Memory Storage Up to 3,000 test records stored internally
Interface / Connectivity USB and Bluetooth for data transfer
Operating Temperature -20°C to 55°C (-4°F to 131°F)
Protection Rating IP54 (dust and splash resistant)
Weight Approximately 4.2 kg (9.3 lbs) with carrying case
Megger TTR310E Options:
  • TTR310E - -47 - 230V operation fuse and 50Hz calibration (for accurate phase deviation)
  • TTR310E - -45 - 120V fuse rating and 50Hz calibration
  • TTR310E - 1001-390 - TTR printer package, 120V 60Hz (optional thermal spool-paper printer)
  • TTR310E - 1001-401 - TTR printer package, 230V 50Hz (optional thermal spool-paper printer)
Calibration Form Megger TTR310E

Repair Form Megger TTR310E
Maximum file size: 40MB

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ModelTTR310E

The Megger TTR310E is a three-phase transformer turns ratio test set designed for precise measurement of turns ratio, excitation current, phase angle deviation, and ratio error in power, instrument, and distribution transformers. Equipped with a transflective color display, it ensures readability in all lighting conditions. The unit features full automation, remote control operation via PowerDB LITE, and internal storage capability with output options through RS232, Ethernet, or USB ports.

Its advanced design simplifies testing of complex three-phase transformers with multiple tap changers and bushing CTs, reducing test time significantly. Operators can print results in the field via an optional thermal printer, without needing an external computer.

Testwall can supply the used Megger TTR310E Three-Phase Transformer Turns Ratio Test Set, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Megger TTR310E Three-Phase Transformer Turns Ratio Test Set.

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