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Mr. Ricky CasipeWith regards of our test instrument the’re all in Good condition. I'll purchase some instrument sooner. Thank you very much
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Ms. Remy GalaponFrom year 2020 to 2023, we purchased more than 30 equipment from Delta Technology, they are all work well and the service from Delta Technology is also good.
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Mr. MilanThe VLF-80 Tester is perfect and thank you.
TTR-I Hot Sale Automatic Single Phase Transformer Turns Ratio TTR Meter

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xItem Name | TTR-I Automatic Transformer Turns Ratio TTR Meter | Functions | Test The Turns Ratio And Group Vector Of Single Or Three Phase Transformer |
---|---|---|---|
Applicable Transformer | Single Phase And Three Phase Transformers | Reference Standards | IEC76-1 And IEC60044 |
Ratio Measurement Range | 1-10000 | Group Measurement | 1-12 |
Size | 400mm*350mm*200 Mm | Weight | 7kg |
Power Supply | AC220V ± 10%, 50Hz/60Hz | Warranty | One Year |
Service | OEM Service Is Available |
Automatic Transformer Turns Ratio Meter -- Model TTR-I
Introduction:
TTR-I Transformer Turns Ratio Meter is designed according IEC76-1 and IEC60044.
TTR-I Transformer Turns Ratio Meter can be applied to test the turns ratio and group vector of single or three phase transformer.
The connection group of three phase transformer also can be calculated with the ratio.
All parameters can be measured in one test for three phase transformer.
Functions:
Turns ratio testing: single phase power transformer, three phase power transformer, CT, PT;
Phase angle testing:single phase power transformer, three phase power transformer, CT,PT;
Polarity testing: single phase power transformer, three phase power transformer, CT, PT;
Vector group testing: three phase power transformer;
Features:
1200°C Split-Hinge Tube Furnaces for horizontal use.
Heating element modules for superior radial and linear temperature uniformity and fast heat up and cool down.
Long-life, energy-efficient elements require little or no maintenance.
Mode conversion switch (Test method of IEC 60754-1&2 could be selected).
Alarm Temperature Controller: Temp controller to protect overheating of furnace.
Quartz work tube and sample lading assembly.
pH and conductivity measuring instruments with digital display and electrodes Stirrer.
Mass flow meter control the flow rate of air and digital display.
Activated Charcoal (air filtering): Filter for filtering the supplied air (activated charcoal).
Silica Gel (air drying): Device for drying the supplied air.
100 ceramic sample boats.
Parameters:
No. | Item Name | TTR-I Transformer Turns Ratio Meter |
1 | Ratio measurement range | 1-10000 |
2 | Group measurement | 1-12 |
3 | Phase measurement error | 1 degree |
4 | Ratio measurement error | 1-2000 ± 0.2%RDG 2000-10000 ± 0.5%RDG |
5 | Test voltage | AC 0~80V continuously, frequency 50Hz |
6 | Power supply | AC220V ± 10%, 50Hz/60Hz |
7 | Environment temperature | 0-50°C |
8 | Humidity | ≤85%RH |
9 | Size | 400mm*350mm*200 mm |
10 | Weight | 7kg |
11 | Length of test cables | 8 meters |
Real Picture:

