Transformer Turns Ratio Meter

Transformer Turns Ratio Meter

A transformer turns ratio meter measures the ratio of a transformer’s primary and secondary windings. It can also measure other parameters, such as voltage ratio, phase displacement, and excitation current. 

It is suitable for operation in energized switchyard condition. It is portable and light in weight. It also measure turns ratio of transformers having different vector groups.  


  • Automatic measurement of Ratio and phase angle deviation
  • Should be able to measure and display actual turn’s ratio of Three phase transformer having different vector groups
  • It also measure and display, magnetizing current along with phase angle deviation

Sr. No.


Specs

 

1

Turns Ratio Measurement Range and Accuracy

Turns Ratio Range           8 to 10 V AC      35 to 40 V AC   80 to100V AC

  0.8 to 1000                             0.1%               0.1%                      0.1% 

 1000 to 2000                           0.15%             0.1%                      0.1% 

   
   
   

2

Excitation current Range and Accuracy

0 to 1000 mA with resolution of 0.1mA, 4½ digit Resolution with less than1% Accuracy

3

Phase Deviation Range and Accuracy

+/-90 degrees (one decimal point for minute display and two decimal point for degree display

4

Test Voltage

User selectable : 240V AC, 100, 40 and 10V  @ 1A

5

Power

240V ± 20%, AC 50 Hz.

6

Display


Touch screen colored display viewable in direct sunlight

7

Computer Interface

USB

8

Key Board

Touch Screen

9

Printer

External Printer – Optional

10

Operating Temperature

Operating: -10° .. 50°C

11

Storage Temperature

Storage: -20° … 70°C

12

Indication

Safety indication

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