Vanguard ATRT-03 S2 Three Phase Transformer Turns Ratio Tester
- Ratio range: 0.8 ¬ 15,000 : 1
- Can Detect 3-phase transformer types defined by ANSI, IEC, and Australian standards
- 8Vac, 40Vac, and 100Vac
Tettex 2293
- Multipurpose: winding resistance, turns ratio, dynamic resistance on tap changer, short circuit impedance, and more
- Resistance measurement made easy – simple one-time-connection system: Once connected will test all phases and windings
- Large 7" touch screen interface with full graphical test visualization
LumaSense LumaSMART Winding Hot Spot Temperature Controller
- Maximize transformer performance and extend transformer life with real time data
- Modernized controller with full communications capabilities and interactive touch screen display
- Enables accurate and safe control during overload situations
Tettex TTR 2796 Three Phase Transformer Turns Ratio Meter
- Fully automated measurement of turns ratio, voltage ratio, phase displacement, and excitation current.
- Better transformer excitation due to higher test voltage of 250V.
- Highest accuracy on the market - up to 0,03%.
Vanguard WRM-10 Winding Resistance Ohmmeter
- Auto discharge circuit for operator safety
- Auto current ranging from 10 mA to 10 A
- Digital resistance reading from 1 micro-ohm to 2,000 ohms
AEMC DTR 8510 Motor / Transformer Tester
- 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
Vanguard TRF-250
- Range: 0.8 – 50,000:1
- 4Vac, 40Vac, 100Vac, & 250Vac
- Accuracy: ±0.1 mA, ±2% of reading (±1 mA)
Megger TTRU1 Handheld Transformer Turns Ratiometer
- 0.1 mA - 1 A
- 1-62.5 V AC
- Up to 50,000:1 with ±0.05% accuracy for ratios 0.8–1000
Raytech USA WR50-12 Winding Resistance Meter
- Pure, filtered DC power source for the highest accuracy readings
- Highest Accuracy and Precision of any high current test system
- Complete, automatic calibration system and system diagnostics
DV Power TWA Series 3-Phase Winding Ohmmeters, Tap Changer & Winding Analyzers
- Resistance measurement of all tap positions in all six windings performed in a single test
- True three-phase on-load tap changer dynamic resistance measurement
- Extremely quick measurement, single-step cable setup
Megger TTRU3 True 3 Phase Transformer Turns Ratiometer
- Guaranteed accuracy ±0.05% from -20°C to +50°C
- 3Ø test voltage - up to 250V
- 3Ø step up ratio (patent pending)
Megger TTR330A Three-Phase Transformer Turns Ratio Test Set
- Store and download test results in XML format, via RS-232, Ethernet or USB ports (depending on model)
- Works in the presence of high interference/ high voltage
- Capable of measuring phase-shifting transformers
Megger TTR330 Three-Phase Transformer Turn Ratio Test Set
- Fully automatic operation (stand-alone or remote-control) with user interface via on-screen customizable test forms
- Integrated PowerDB ONBOARD allows for data analysis and trending while in the field without the use of an external computer
- Built-in USB port and optional USB printer allows for 8.5"x 11" test forms printing without the use of a laptop
Megger TTR310 Three-Phase Transformer Ratio Test Set
- Fully automatic operation (either stand-alone or remote-control)
- Field upgradeable to a TTR330 or TTR320 without compromise to calibration
- Built-in RS-232 port and optional thermal spool-paper printer allows for printing of test results, while in the field, and without the use of an external computer
Tettex TTR2795 Transformer Turns Ratio Meter
- Fully automated measurement of turns ratio, voltage ratio, phase displacement and excitation current.
- Highest measurement accuracy in the industry of up to 0.03% makes the 2795 the perfect tool for preventive maintenance measurement.
- Build-in printer for quick test report generation and total prevention of data loss.
Megger TTR100 Single Phase Handheld TTR
- Fully automatic; fast; easy-to-use; handheld; robust; lightweight
- Battery powered with power-saving and shutdown function
- Tests turns ratio, phase displacement, excitation current, winding resistance and polarity
DV Power TRT63 Turns Ratio Tester Series
- Test voltages from 1 to 250 V AC
- Turns ratio range 0.8 – 50 000
- The best turns ratio accuracy of 0.03%
Vanguard TRM-403 Transformer Winding Resistance Meter
- Perform three phase test on a transformer without the need to switch cables
- Can provide individual Delta winding resistance values
- Can provide individual Wye (with no neutral) winding resistance values
Vanguard Tri-Phase True Three Phase Automatic TTR
- Generates 3-phase transformer test voltage from single-phase AC or DC power input
- Capable of detecting 130 different 3-phase transformer types defined by ANSI, IEC, and Australian standards
- 3 test voltages: 8Vac, 40Vac, and 100Vac
Raytech USA TR Mark III Three Phase Transformer Turns-Ratio Meter
- Automatic measurements of voltage, turns ratio, current, and phase displacement
- Easy one time hook up to the transformer
- Automatic test voltage range
OMICRON TESTRANO 600 Three-Phase Power Transformer Test System
- Powerful device (3x 33 A DC and 400 V AC)
- One setup for multiple tests, less reconnecting
- Three times faster testing
Megger TAU3 EXP
- Microsoft Excel export
- PowerDB import and export
- 10.1" industrial touch screen
Megger MTO330 Automated Six-Winding Transformer Ohmmeter
- One-time connection enables 4x faster setup and reduces safety risks by over 70%.
- Automated eight-terminal/six-winding measurement capability for efficiency.
- Compatible with Megger's three-phase TTR series using interchangeable leads.
Megger MTO250 Transformer Ohmmeter
- Capable of testing transformers up to 1000 MVA
- DC test current up to 50 A maximum
- Integrated demagnetisation feature
Megger MTO210 Transformer Ohmmeter
- Direct 2-channel digital reading allows for testing two windings at a time.
- Very fast discharge time.
- High-contrast, large alphanumeric displays can be seen in bright sunlight.