Sivananda Electronics | Electronic Products Manufacturing Services
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CALL US

+91-253-2491423

FAX

+91-253-2492291

AUTOMATIC TRANSFORMER TURNS RATIO METER MODEL : ATRM-1M

MAIN FEATURES

  • Automatic display of ratio, no balancing is required
  • 4 Line 20Ch LCD display.
  • True 4- terminal measurement
  • Resolutions of 0.001 in the range 10.
  • Can be used to measure 3-phase Delta, Star connected transformer.
  • No external switching required, once the object transformer is connected.
  • Can be used even in Switch Yard under induction.
  • Can be operated thru RS 232 Port with external PC / Laptop

Technical Features

Power Supply

230V +/-10% , 50 Hz, single phase

Test Voltage

4.8V / 48V AC +/-5%

Ratio

Ratio Range

Display

Resolutions

Accuracy

10

0.8 - 10

0.001

± 0.010

100

10 - 100

0.01

±0.10

1000

100 - 1K

0.1

± 1.0

10000

1K - 10K

1

±10

Phase Angle Deviation

Range

+/- 90 deg

Resolution

0.1deg

Accuracy

+/-1deg

Excitation Current

Range

2Amp

Resolution

0.1mA

Accuracy

+/-1% +/- 2digits

Trip Current

2A @ 8V range

Display

4 Line 20 character LCD display for Ratio, Excitation Current and Phase Angle Deviation.

Accuracy

0.1% of the FSD +/-3 digits

Weight

Approximately 7 Kg

Dimension

440 X 340 X 170 mm

Sivananda Electronics