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AEMC 8510 Universal Supply Digital Transformer Ratiometer

Manufacturer part number: DTR-8510
90-240V, 50/60Hz
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The AEMC DTR 8510 is a portable digital transformer ratiometer designed for on-site testing of power, potential and current transformers. When connected to a non-energized transformer, the AEMC DTR Model 8510 accurately measures primary to secondary turns ratio, while simultaneously displaying polarity and excitation current. The DTR is fully automatic and uses an ANSI/IEEE compliant test method.

No user calibration, range selection, hand cranking or tedious balancing is required. At each measurement, the DTR® automatically self-calibrates and checks for open windings/connections/circuit breakers, short circuits (excess excitation current), incorrect test lead placement, and reverse polarity. Measurements are displayed quickly and accurately.

Features
  • Ratio Testing: PT/VT from 0.8000:1 to 8000:1 and CT from 0.8000 to 1000.0 (Auto-Ranging)     
  • Tests performed by exciting the primary and reading the secondary; provides safer conditions for the operator on step-down transformers
  • Continuity test indicates open or loose (high resistance) terminal connections
  • DC test mode eliminates errors due to magnetic build up
  • Stores up to 10 primary/secondary nameplate voltages to use in comparing test results
  • Displays ratio, test current, winding polarity, and deviation from nameplate voltage or ratio
  • Stores up to 10,000 test results
  • DataView® software included which allows configuring the instrument, downloading stored measurements and printing of test results in a report format
  • Display warns of incorrect lead connection, reverse polarity, open and short circuits

 

VT/PT Ration Range: Auto-ranging 0.8000:1 to 8000:1

CT Ratio Range: Auto-ranging 0.8000 to 1000.0

Accuracy:

  • Ratio <10 to 1: ±0.2% of Reading
  • Ratio 0 to 1000 to 1: ±0.1% of Reading
  • Ratio >1000 to 1: ±0.2% of Reading
  • Ratio 5000 to 8000.0: ±0.50% of Reading

Excitation Signal:

  • VT/PT Mode: 32Vrms maximum
  • CT Mode: 0 to 1A Auto Level, 0.1 to 5 Vrms max.

Excitation Current Display: 0 to 1000mA; Accuracy ±2% of Reading ± 2mA

Excitation Frequency: 70Hz

Measurement Method: In accordance with ANSI/IEEE C57.12.90-2006

Display: LCD 16 character, 2 line, large format, LED backlight, day/night visible

Languages Supported: English, Spanish, French, Italian, German, Portuguese

Communication: Optically isolated USB 2.0

Data Storage: Stores up to 10,000 complete measurements

Power Source: Rechargeable 12V NiMH battery (included)

External Charger: 90/240V, 50/60Hz (smart charger)

Battery Life: Up to 10 hours continuous operation; May not be used while recharging; Low battery LEP/LCD indication

Charging Time: <4 hours

  • Rechargeable 12V NiMH battery
  • Power Supply Cord
  • DataView analysis software on CD Disc
  • Test Lead Set
  • Instruction Manual
Description

The AEMC DTR 8510 is a portable digital transformer ratiometer designed for on-site testing of power, potential and current transformers. When connected to a non-energized transformer, the AEMC DTR Model 8510 accurately measures primary to secondary turns ratio, while simultaneously displaying polarity and excitation current. The DTR is fully automatic and uses an ANSI/IEEE compliant test method.

No user calibration, range selection, hand cranking or tedious balancing is required. At each measurement, the DTR® automatically self-calibrates and checks for open windings/connections/circuit breakers, short circuits (excess excitation current), incorrect test lead placement, and reverse polarity. Measurements are displayed quickly and accurately.

Features
  • Ratio Testing: PT/VT from 0.8000:1 to 8000:1 and CT from 0.8000 to 1000.0 (Auto-Ranging)     
  • Tests performed by exciting the primary and reading the secondary; provides safer conditions for the operator on step-down transformers
  • Continuity test indicates open or loose (high resistance) terminal connections
  • DC test mode eliminates errors due to magnetic build up
  • Stores up to 10 primary/secondary nameplate voltages to use in comparing test results
  • Displays ratio, test current, winding polarity, and deviation from nameplate voltage or ratio
  • Stores up to 10,000 test results
  • DataView® software included which allows configuring the instrument, downloading stored measurements and printing of test results in a report format
  • Display warns of incorrect lead connection, reverse polarity, open and short circuits