Megger TTR100-1 An Epic Power Transformer Testing

Megger TTR100-1 Power Transformer Testing

The TTR100-1 is a handheld, robust, lightweight, and battery-operated instrument. This TTR will complement several existing Megger transformer test products and will offer functions, such as winding resistance and polarity. These functions, as well as the phase angle measurement function, can be switched off when not required.

With a turn ratio of 20,000:1, the TTR100-1 offers the highest turn ratio accuracy in the industry at 0.2%. The TTR100-1 features special software capabilities. The TTR100-1 is used to perform the final test and calibration of transformers in the manufacturing process, such as a QA or Test Department.

Using the new TTR100-1 in this environment will improve the productivity of such QA testing, as well as efficiently collect and store large amounts of data, which can be uploaded to a PC spreadsheet, or database program.

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Megger TTR100-1 Power Transformer Testing specifications:

• Type of Power: Rechargeable NiMH battery pack, 3.6 V dc, 3800 mAh
• Battery Life: Up to 15 hours of field operation
• Charger Input Voltage: 100-250 V ac, 50/60 Hz ±2 Hz Unit can be operated while charging. Charging time is approximately three hours
• Excitation Voltage: 8 V rms for testing distribution or power transformers, and PTs; 1.5 V ac RMS, or 8 V ac RMS for testing CTs
• Test Frequency: 55 Hz internally generated providing a universal 50/60 Hz test set
• Excitation Current Range: 0 to 100 mA, 4-digit resolution
• Turns Ratio Range: 8 V ac: 0.8 to 20,000, 5-digit resolution (for transformers and
  PT testing) 1.5 V ac: 5.0 to 2200, 5-digit resolution (for CT testing)