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Type
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Portable, lightweight, automatic, 3-phase transformer turns-ratio meter
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Physical specifications
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20”W x 7½”H x 15½”D (50 cm x 19 cm x 39.6 cm ); Weight: 27 lbs (12 kg)
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Input power
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100 - 240 Vac, 50/60 Hz
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Batteries
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Two lead acid batteries (12V, 2Ah) provide up to 3 hours of operation
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Measurement method
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ANSI/IEEE C57.12.90
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Ratio measuring range
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0.8 - 15,000
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Turns ratio accuracy
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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
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Test voltages
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8 Vac @ 350 mA, 40 Vac @ 70 mA, 100 Vac @ 20 mA
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Excitation current reading range
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0 - 2 Amperes; Accuracy: ±1mA, ±2% of reading (±1 mA)
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Phase angle measure
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0 - 360 degrees; Accuracy: ±0.2 degrees ( ±1 digit)
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Display
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Back-lit LCD screen (128 x 64 pixels) viewable in bright sunlight and low-light levels
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Printer
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Built-in 4.5-inch wide thermal printer
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Computer interface
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One RS-232C port, one USB port
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External data storage
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One USB Flash drive interface port; Up to 999 transformer test records can be stored on a USB Flash drive (not included)
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Pc software
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Windows®-based Transformer Turns-Ratio Analyzer application is included
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Internal test record storage
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Can store 112 transformer test records internally. Each record holds the test record header and up to 99 readings.
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Internal test plan storage
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Can store 128 transformer test plans internally. Test plans can be transferred to the unit from the PC via the RS-232C/USB port or via the USB Flash drive interface
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Load tap changer contact
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240 Vac, 1 Amps
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Safety
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Designed to meet UL 61010A-1 and CAN/CSA C22.2 No. 1010.1-92 standards
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Environment
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Operating: -10°C to +50°C (+15°F to +122°F); Storage: -30°C to +70°C (-22°F to +158°F)
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Humidity
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90% RH @ 40°C (104°F) non-condensing
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Altitude
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2,000 m (6,562 ft) to full safety specifications
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Cables
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One 15-foot single-phase set, one 15-foot 3-phase set, one 25-foot extension set, one safety ground, one RS-232C, one USB, cable bag
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Optional accessories
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Transportation case
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Warranty
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1 year on parts and labor
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