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+91-253-2491423

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+91-253-2492291

Automatic Transformer Ratio Meter MODEL : ATRM-1uP

MAIN FEATURES

  • Fully auto operation, No balancing is required. Suitable for 765 KV yards.
  • Measures and displays turn ratio Phase angle, Vector group, Excitation current, Polarity, Pass/Fail for ratio reading with calculated Ratio.
  • 4 line 20 character backlit LCD.
  • Automatic Vector Group Detection.
  • RS232 Port to down load data to PC & Remote operation.
  • Inbuilt Memory for 100 test results.
  • Resolution of 0.001 in the range 10.
  • Can be used to measure 3,1 phase delta, star connected transformer.
  • Can be used for Without neutral and Zigzag Transformer.
  • Polarity Detection.
  • Fully protected against any wrong connections.
  • Built in Thermal Printer for on-site printouts.
  • Temperature Range 0 to 55°C
  • Humidity 5% to 90% RH, Non condensing.

Technical Features

POWER SUPPLY

230V AC ± 10%, 50Hz ± 5%.

VOLTAGE

8V / 40V / 80V AC Selectable

RATIO RANGE

0.8 to 12000 (15K Optional)

RATIO ACCURACY

± 0.1% ± 2digits

INDICATION

5 Digit LCD display of ratio.

LCD DISPLAY

4line x 20 Characters alphanumeric controlled by processor for interfacing with keyboard.

PHASE ANGLE

± 90 degrees Resolution:0.01°

RESOLUTION

0.01

ACCURACY

± 0.1 degree ± 2digits

EXCITATION CURRENT

1mA – 0.1A at 8V

ACCURACY

± 1mA

RESOLUTION

0.1mA

STORAGE

Built in upto 100 test results.

PORT

RS232 PORT

SOFTWARE

Windows Based.

PROTECTION

Short circuit, Over load, Transient Surge, Induction voltage.

OPERATING TEMP.

0° C TO 55° C.

THREE PHASE TEST CABLES

15 meter long.

POWER SUPPLY CORD

10 meter

GROUND CABLE

10 meter.

INSTRUCTION MANUAL

English 1No.

CALIBRATION CERTIFICATE

Traceable to STQC Lab.

SAFETY SPECIFICATIONS

IEC 61010 COMPLIED.

EMI/EMC SPECIFICATIONS

IEC/EN 61326 COMPLIED.

VIBRATION TEST

IEC60068-2-6 COMPLIED.

SHOCK TEST

IEC60068-2-27 COMPLIED.

BUMP TEST

IEC60068-2-29 COMPLIED.

DAMP HEAT TEST

IEC60068-2-78 COMPLIED

Sivananda Electronics