3-Phase Transformer Turns Ratio Tester
ATRT-03
| TYPE | Portable, lightweight, automatic, three-phase transformer turns-ratio meter |
| PHYSICAL SPECIFICATIONS | 17”W x 7”H x 13”D (43.2cm x 17.8 cm x 33.0 cm); Weight: 14 lbs (6.4 kg) |
| INPUT POWER | 3 amps, 100 – 120 Vac or 200 – 240 Vac (selectable), 50/60 Hz |
| MEASUREMENT METHOD | ANSI/IEEE C57.12.90 |
| RATIO-MEASURING RANGE | 0.8 – 15,000 (5-digit resolution) |
| TURNS-RATIO ACCURACY | 0.8 – 1999: ±0.1%, 2,000 – 3,999: ±0.25%, 4,000 – 15,000: ±1% @ 8 Vac 0.8 – 1999: ±0.1%, 2,000 – 3,999: ±0.20%, 4,000 – 15,000: ±1% @ 40 Vac 0.8 – 1999: ±0.1%, 2,000 – 3,999: ±0.15%, 4,000 – 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 | 0 – 1 Ampere; Accuracy: ±1mA, ±2% of reading (±1 digit) |
| PHASE-ANGLE MEASUREMENT | 0 – 360 degrees; Accuracy: ±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 |
| COMPUTER INTERFACE | RS-232C (19,200 baud) port |
| PC SOFTWARE | Windows® XP/Vista-based Transformer Turns-Ratio Analyzer application is included with purchase price |
| 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) |
| ENVIRONMENT | Operating: -10° to 50° C (15° to +122° F); Storage: -30° C to 70° C (-22° to +158° F) |
| 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 |
| OPTIONS | Transportation case, transformer tap-changer remote control device |
| WARRANTY | One year on parts and labor |