IEEE C57.12.90 Transformer Turns Ratio Meter

Transformer Turns Ratio Meter

Model: TTR-400

Transformer Turns Ratio Meter TTR-400 is designed to measure the voltage ratio and turns ratio of singe phase or three-phase distribution transformers or power transformers in a substation or manufacturing environment according to test standard IEC 60076 and IEEE C57.12.90.

Main Features

●Measures turns ratio, voltage ratio, phase displacement

●Variable test voltage: 0~160V

●Automatic winding connection identification and vector group test

●7” touch screen for easy operation

●Simplistic user interface for quick test setup

●Save the test results on-board

●Download test results via USB interface

●Print the test results via built-in printer

●Adopt three-phase precision inverter power supply for more accurate measurement

●Has high and low voltage reverse connection protection and transformer interturn short circuit protection

●Supplied in a compact and rugged case for portability

Technical Data

◇Test Standard: IEC60076 and IEEE C57.12.90

◇Ratio Measurement

range: 0.9-10000

accuracy: ±0.1% @ 0.9-500

±0.2% @ 501-2000

±0.5% @ 2001-10000

◇Phase Angle Measurement

range: ±180°

accuracy: ±0.1°

resolution: 0.01°

◇Test Voltage:0~160V

◇Internal Data Storage: up to 1000 data sets

◇Built-in printer for printing test results directly

◇Power Supply: AC220V/230V±10%,50Hz/60Hz

◇Dimension: 360x290x170mm(14.17x11.42x6.69 in)

◇Weight: 5.9kg(13.01 lb)

◇Environmental Conditions

storage temperature: -20℃~60℃

humidity: <90%

operating temperature: -10℃~50℃

◇Safety Qualifications and EMC

Safety: designed in accordance with IEC61010-1

EMC: light industrial IEC 61326

Transformer Turns Ratio Meter TTR-400 is powerful tool for testing voltage ratio and turns ratio of power transformers.

Transformer Turns Ratio Meter TTR-400 is also calibrated in the third party laboratory accredited under ISO/IEC 17025.

The Calibration Report is shown as below.

HAOMAI ELECTRIC TEST EQUIPMENT CO.,LTD, as a subsidiary of HAOMAI ELECTRIC POWER AUTOMATION CO.,LTD, located in Shenzhen of China, mainly focuses on the sales and services of Protection Relay Test Set, Instrument Transformer Test Set, CT/PT Analyzer, Power Transformer Test Set, Circuit Breaker Testing Equipment, Battery Testing Equipment, IEC 61850 Testing Equipment for Smart Substation, Partial Discharge Detector, Transformer Oil Dissolved Gas Analysis and Moisture Monitor etc. electrical test equipment and online monitoring equipment.

The headquarters, HAOMAI ELECTRIC POWER AUTOMATION is established in 1999 and located in Wuhan of China, which is specialized in developing and manufacturing electrical test equipment and online monitoring equipment. HAOMAI products are widely used in power grid, petrochemical, metallurgy, railway, coal mine, research institutes and all kinds of large-scale factories or enterprises.

HAOMAI follows total quality criteria, and always maintains standardized process and procedures for continuous growth. HAOMAI has been certified by ISO 9001:2015, ISO 14001:2015 and ISO 45001:2018. All of HAOMAI products passed Type Test or Calibration in the third party laboratory accredited under ISO/IEC 17025.

HAOMAI builds own RELAYSTAR laboratory and performance test laboratory, and possesses professional production equipment and testing instruments in factory, such as Agilent 34401A 6 1/2 High-precision Meter, FLUKE Multi-meter, EMH Standard Meter, CLOU Standard Power Source, Oscilloscope, Phase Meter, Insulation Test System, High Voltage Dividers, AC High Voltage Generator, Time Calibration Tester, Standard Micro-resistance etc.

HAOMAI is China well-known mark recognized and approved by State Administration for Industry & Commerce of People's Republic of China, and enjoys high reputation in domestic and foreign markets.

HAOMAI now is the key supplier for SGCC(State Grid Corporation of China) and CSG(China Southern Power Grid). Till 2021 HAOMAI products have been sold to 39 different countries.

HAOMAI always sticks to the faith of "cooperation and sharing", takes the "technology and market" as the direction, "creation and innovation" as the soul, listens to clients carefully, and improves the technology, upgrades the products, optimizes the service and tries all to be the global leader in electrical test and measurement instruments field.