Megger (AVO Biddle)

Megger MWA330A

3-Phase Ratio and Winding Resistance Analyzer
1:1 to 10,000:1 Transformer Ratio Measurement Range
±0.1% Ratio Accuracy
10 V AC Test Voltage
0.1 mA to 600 mA Excitation Current Measurement Range
0 to ±180 minutes Phase Displacement Measurement Range
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Attribute Value
Transformer Ratio Measurement Range 1:1 to 10,000:1
Ratio Accuracy ±0.1%
Test Voltage 10 V AC
Excitation Current Measurement Range 0.1 mA to 600 mA
Phase Displacement Measurement Range 0 to ±180 minutes
Phase Displacement Accuracy ±1 minute
Power Supply 110/230 V AC, 50/60 Hz
Display Large backlit LCD display
Operating Temperature Range -10°C to +50°C (14°F to 122°F)
Weight Approximately 8 kg (17.6 lbs)
Megger MWA330A Options:
  • MWA330A - MWA330A - 3-Phase Winding Analyzer, on board industrial computer with 305 mm (12 in.) touch screen, nominal 120 V, 60 Hz
  • MWA330A - MWA330A-47 - 3-Phase Winding Analyzer, on board industrial computer with 305 mm (12 in.) touch screen, nominal 230 V, 50 Hz
Calibration Form Megger MWA330A

Repair Form Megger MWA330A
Maximum file size: 40MB

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ModelMWA330A

The Megger MWA330A Transformer Winding Analyzer is a 3-phase transformer test system designed for fast and accurate ratio and winding resistance measurements. With a single 3-phase lead-set connection, it performs all essential tests in one unit. Featuring an internal computer, 305 mm (12 in.) color touch-screen, and PowerDB software platform, the MWA330A delivers streamlined operation and advanced functionality for transformer diagnostics.

Its eight-terminal, six-winding resistance measurement capability eliminates the need for inter-connect boxes, reducing downtime and simplifying workflows. The built-in core demagnetization function ensures safe transformer handling and prevents problems related to core saturation after DC testing.

Testwall can supply the used Megger MWA330A, 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 MWA330A.

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