Transformer Turns Ratio Meter TTR 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.
1)Measures turns ratio, voltage ratio, phase displacement
2)Variable test voltage:0~160V
3)Automatic winding connection identification and vector group detection
4)7” touch screen for easy operation
5)Simplistic user interface for quick test setup
6)Save the test results on-board
7)Download test results via USB interface
8)Print the test results via built-in printer
9)Adopt three-phase precision inverter power supply for more accurate measurement
10)Has high and low voltage reverse connection protection and transformer interturn short circuit protection
11)Supplied in a compact and rugged case for portability
◇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: customized(AC220V/230V/120V,50Hz/60Hz optional)
◇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
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