Sansion Power Electric Co., Ltd.
| Screen | 5-inch true-color touch LCD |
| Power | Built-in lithium battery, offline test |
| Delivery Time | 5-30 work days |
| 3-Phase Test Duration | ≤35 seconds |
| Payment Terms | T/T,L/C |
| Weight | 2.6kg, portable for field use |
| Accuracy | Ratio Class 0.1 max, phase angle ±0.1° |
| Packaging Details | plywood case |
| Ratio Resolution | 0.0001 |
| Ratio Range | 0.9~10000 |
| Endurance | ≥500 tests per full charge |
| Model Number | SXTTR-V |
| Certification | CE SGS ISO9001 |
| Brand Name | Sansion |
| Place of Origin | China |
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Product Specification
| Screen | 5-inch true-color touch LCD | Power | Built-in lithium battery, offline test |
| Delivery Time | 5-30 work days | 3-Phase Test Duration | ≤35 seconds |
| Payment Terms | T/T,L/C | Weight | 2.6kg, portable for field use |
| Accuracy | Ratio Class 0.1 max, phase angle ±0.1° | Packaging Details | plywood case |
| Ratio Resolution | 0.0001 | Ratio Range | 0.9~10000 |
| Endurance | ≥500 tests per full charge | Model Number | SXTTR-V |
| Certification | CE SGS ISO9001 | Brand Name | Sansion |
| Place of Origin | China | ||
| High Light | Automatic three phase transformer tester ，Portable transformer ratio test equipment ，Transformer turns ratio TTR meter | ||
Special Transformer Ratio Tester is an independently developed fully automatic bench-top transformer testing instrument. It is mandatory equipment for transformer factory inspection, handover acceptance and maintenance tests.
It is the tester supporting full blind test: it can accurately measure transformation ratio, connection vector group and phase angle. Compatible with all types of special and general transformers including Z-type, rectifier, furnace, phase-shifting, balancing, Scott & inverse Scott transformers. It effectively detects inter-turn short circuit, winding open circuit, wrong wiring and poor contact of tap changers.
Built-in high-capacity lithium battery enables field testing without external mains supply. Equipped with complete short-circuit & overload automatic protection system. It adopts a 5-inch high-definition true-color touch screen with intuitive hexagonal vector diagram display. A built-in thermal printer is provided for on-site report printing. Up to 1000 groups of test data can be stored and exported to PC via USB for report generation.
Single-phase input, internally digitally synthesized low-distortion 3-phase standard sine wave source (distortion <0.1%, symmetry better than 0.05%) to avoid vector group misjudgment. Switchable single/3-phase mode; synchronously test polarity, phase angle, 3-phase ratio, error and tap position, auto identify all vector groups 0–11.
No need to pre-select connection group; no external short circuit required for Y/△ & △/Y transformers. Directly test unknown transformers without nameplates, with auto circuit switching.
0~360° measurement range, 0.01° resolution, ±0.1° accuracy. Accurately test non-integer phase-shifting transformers with visual hexagonal vector diagram for wiring verification.
Only input rated ratio once; the unit automatically calculates ratio errors for all tap positions to quickly check tap changer performance.
Supports turns ratio and operating voltage ratio measurement; operating ratio reflects real voltage transformation under actual load conditions.
Built-in high-capacity lithium battery supports over 500 consecutive full tests after single full charge, unrestricted for power-free field sites.
Stores up to 1000 test records with power-off protection; export data to computer via USB to generate test reports. Built-in high-speed thermal mini printer for instant on-site printing.
| Transformation Ratio Range | 0.9 ~ 10000 |
|---|---|
| 3-Phase Test Duration | ≤35 seconds |
| Ratio Resolution | 0.0001 |
| Ratio Accuracy |
0.9–200: ±0.1%
200–2000: ±0.2%
2000–10000: ±0.3%
Custom full-range Class 0.1 version available
|
| HV Voltage Accuracy | 0.05% |
| LV Voltage Accuracy | 0.1% |
| Phase Angle Range | 0~360° |
| Phase Angle Resolution | 0.01° |
| Phase Angle Accuracy | ±0.1° |
| Display | 5-inch HD true-color touch LCD |
| Net Weight | 2.6kg |
| Overall Dimension | 320*240*130 mm |
| Power Supply | Built-in lithium battery / 12V external adapter |
| Battery Endurance | ≥500 consecutive tests per full charge |
| Extra Feature | Built-in thermal mini printer |
A:A Transformer Turns Ratio Tester is a professional testing instrument used to measure the turns ratio, voltage ratio, phase angle, polarity, and vector group of power transformers.
The Special Transformer Turns Ratio Tester is designed for transformer manufacturing, commissioning, maintenance, and preventive testing. It helps detect potential problems such as winding short circuits, open circuits, incorrect connections, and tap changer faults.
A:The SXTTR-V is suitable for testing various types of transformers, including:
It can meet the testing requirements of small, medium, and large transformers.
A:The Tester can measure multiple transformer parameters, including:
The tester can complete measurement of AB, BC, and CA three-phase parameters in one test process.
A:Yes.The SXTTR-V supports a blind measurement function. It can measure transformer ratio and group number without requiring the user to know the transformer parameters in advance.
It can automatically identify the wiring mode and vector group, which is especially useful for transformers with missing or unclear nameplate information.
A:Yes.The SXTTR-V adopts a true three-phase testing method. The instrument generates a three-phase standard sine wave test source through internal digital synthesis technology.
It can automatically perform three-phase winding tests and avoid incorrect vector group judgment caused by unstable test signals.
Company Details
Business Type:
Manufacturer
Year Established:
2005
Total Annual:
50000000-80000000
Employee Number:
120~150
Ecer Certification：
Verified Supplier
Sansion Power Electric Co., Ltd was established in 2005, a technocrat who have rich experience of more than 10 years in R&D, manufacturing and marketing of power electrical testing products, which are widely used in the fields of power electric, railroad, energy conservation and environment prot... Sansion Power Electric Co., Ltd was established in 2005, a technocrat who have rich experience of more than 10 years in R&D, manufacturing and marketing of power electrical testing products, which are widely used in the fields of power electric, railroad, energy conservation and environment prot...
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