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%.
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.
Doble M4110 Leakage Reactance Module
- Impedance: 0.1 – 700 Ω
- Inductance: 250 µH – 1.8 H
- Resistance: 0.1 – 700 Ω (PF > 90%)
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
Omicron CPX 200 Multifunctional Test Set
- Current: Up to 1,000A AC/DC
- Voltage: Up to 300V AC
- Test Frequency: 1–600 Hz and DC
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
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
- Output: 3Ø, 1 – 100V, 90 VACpk max
- Frequency: DC, 40 – 480Hz
- Accuracy: ±1% Reading, ±0.1Hz
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.
DV Power DEM60C Three-Phase Transformer Demagnetizer
- Fully automatic demagnetization
- Demagnetization currents 5 mA – 60 A DC
- Demagnetization progress graph
Megger DELTA 4000 Series 12 kV Insulation Diagnostic System
- Easy to use with automatic and manual operation
- Accurate and repeatable measurement results with high noise suppression for the most extreme conditions
- Lightweight, rugged two-piece design, with unit weights of 14 kg and 22 kg
Vanguard ATRT-01B S2 TTR Transformer Turns Ratio Tester
- Stand-alone or computer-controlled
- Battery or AC powered
- Displays ratio from 0.8 - 15,000
Megger 670600-1 Resonating Inductor
- Expands the range of capacitance and dissipation factor (PF) for DELTA 4000 units
- Hand-crank tuning wheel
- Core gap gauge that displays position of inductor core
AEMC DTR-8500 Digital Transformer Ratiometer
- Designed for Power Transformers, VTs, PTs and CTs
- Direct readings from 0.8000:1 to 1500.0:1
- Display Turns Ratio, Polarity and Excitation Current simultaneously
