The TR-Mark III has a color LCD with a back light and touch screen, which increases handling and user comfort.
Two USB interfaces make it easy to store measurements on external storage devices, transfer easily to a personal computer and transfer or download nameplate data of the transformer to test.
| Key Features |
| Automatic measurements of voltage, turns ratio, current, and phase displacement |
| Easy one-time hook up to the transformer |
| Automatic test voltage range |
| Displays deviation from a nominal ratio |
| Tap changer interface with graphic results |
| Load on test object <0.05 VA |
| Measures power transformers PTs and CTs |
| Automatic vector group detection |
| Displays % error vs. name plate value |
| Enhanced heavy-duty protection circuitry |
| Emergency stop push button immediately turns off output |
| Internal printer |
| Data storage of over 10,000 measurements |
| Simple-to-operate color LCD touch screen with back light |
| Two USB interfaces |
| 5-Year standard warranty |
| Specifications |
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| TR-Mark III: Fully Automatic, Three Phase Transformer Turns Ratio Meter |
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| Features | Parameters |
| Size | L: 470 mm (18.5″)
W: 371 mm (14.6″)
H: 190 mm (7.5″)
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| Weight | 9.5 kg (21 lbs.) |
| Input Power | 100 to 250 VAC 50/60 Hz auto ranging. Fuse: 2A |
| Test Voltage | User Selectable: 100, 40, 10, and 1VAC. 1A |
| Panel Display | Color LCD with back lighting and touch screen |
| Front Panel | Sealed, anodized |
| Interface | 2 USB 1.1 (1 host/1 device) and 9 Pin RS-232 serial |
| Memory Storage | Internally stores more than 10,000 test results |
| Ratio Range: | 0.8 . . . 16,000 |
| Temperature | Operating: –10°C to 60°C (14ºF to 140ºF)
Storage: –20°C to 70°C (-4ºF to 158ºF)
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