Vanguard ATRT-03 3Φ Transformer Turns Ratio Tester
No stress rentals! We help you to choose the equipment that you need, we expedite shipment, and follow up.
Features & specifications
- Portable, lightweight, automatic, 3Φ TTR
- Microprocessor-based, lightweight, and rugged
- Can be used as a stand-alone unit or computer-controlled
- Alpha-numeric keypad and rotary switch for local use
- Print results on built-in 4.5-inch wide thermal printer
- USB and RS-232C to transfer records to and from a PC
- Ideal for transformer testing at substations
- Utilizes the IEEE C57.12.90 measurement method
- Measures turns-ratios from 0.8 to 15,000
- All readings displayed on large backlit LCD
- LCD screen is viewable in bright sunlight
| Input power | 3 amps, 100 to 120 Vac or 200 to 240 Vac (selectable), 50/60 Hz |
|---|---|
| Measurement method | ANSI/IEEE C57.12.90 |
| Ratio measuring range | 0.8 to 15,000 (5-digit resolution) |
| Turns ratio accuracy | 0.8 to 1999: ±0.1%, 2,000 to 3,999: ±0.25%, 4,000 to 15,000: ±1% @ 8 Vac 0.8 to 1999: ±0.1%, 2,000 to 3,999: ±0.20%, 4,000 to 15,000: ±1% @ 40 Vac 0.8 to 1999: ±0.1%, 2,000 to 3,999: ±0.15%, 4,000 to 15,000: ±1% @ 100 Vac |
| Adjustment | None required |
| Test voltages | 8 Vac @ 1 amp, 40 Vac @ 0.6 amp, 100 Vac @ 0.1 amp |
| Excitation current reading range | Accuracy (0 to 1 amp): ±1mA, ±2% of reading (±1 digit) |
| Phase angle measurement | Accuracy (0 to 360 degrees): ±0.2 degrees ( ±1 digit) |
| Display | Back-lit LCD screen (20 Characters by 4 Lines); Viewable in bright sunlight and low-light levels |
| Printer | Built in 4.5 inch wide thermal printer |
| Internal test record storage | Stores 200 complete transformer test records. Each test record includes nameplate voltage, winding turns-ratios, excitation current, and winding phase angle. |
| Internal test plan storage | Stores up to 128 transformer test plans |
| Safety | UL Certified (UL 61010A-1), CAN/CSA Certified (C22.2 No. 1010.1-92) |
| Cables | One 15 foot single phase cable set, One 15 foot 3 phase cable set, One 25 foot extension cable set, One cable carrying duffel bag included |
| Environment | Operating: -10° to 50° C (15° to 122° F); Storage: -30° C to 70° C (-22° to 158° F) |
| Weight and dimensions | (17W x 7H x 13D)in. (43.2cm x 17.8 cm x 33.0 cm) Weight: 14 lbs (6.4 kg) |
| Options | Transportation case, transformer tap-changer remote control device |