
Automatic Turns Ratio Instrument ATRI-3
Model: ATRI-3
Fully automated three-phase transformer turns ratio instrument with LV-side excitation.
Turns ratio range1.000 to 200.0
Accuracy class0.1
ParametersTurns ratio, excitation current, HT & LT voltages, polarity, % deviation
Vector groupsYNyn0 & Dyn11
Overview
Fully automated three-phase transformer turns ratio instrument with LV-side excitation.
Key features
- Fully Automated measurement of Ratio, HT LT voltage, excitation current, polarity.
- Display- 16X2 Blue moon Monochrome Display
- Sensing and Excitation Terminal for LT Voltage
- Sensing Terminal for HT Voltage
- Selector Switch knob is provide to test turns ratio of three phase transformer without changing clip.
- ON/OFF Switch for applying test voltage
- LED indication for excitation
- Aux. ON./OFF Switch
- 4X4 Keypad
- protection. - 1A Fuse is incorporated with in fuse holder for Aux. Supply - 230V AC 20%
- HT & LT Cable - 10 mtr