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Ratiometer

Model : QTRS‐1

Description

  • Electrical Calibration Laboratories
  • Testing Service providers
  • Utility and OEMs
  • College / University Laboratories

Features

  • State of art design
  • Suitable for Test voltage 110V AC
  • Protection against wrong connection Best resolution : 0.01

Technical Specification

Ratio Range 0.8 to 2000
Test voltage 110V Max
Resolution 0.01 at factor 1
Accuracy 0.5% Protection against wrong connections
Part code QTRS‐001

Model : QTRM‐1

Description

  • POWER TRANSFORMERS
  • DISTRIBUTION TRANSFORMERS
  • CURRENT TRANSFORMER
  • MOTOR
  • LIVE SWITCH YARD MEASUREMENTS

Features

  • Automatic operation, No balancing is required
  • Measures and displays transformer Ratio, Excitation Current
  • 20 X 4 backlit LCD display for Ratio and excitation current.
  • True 4 terminal measurement.
  • Fully protected against any wrong connections.
  • Single Phase / Three phase model
  • Single Phase / Three phase model

Technical Specification

Model : QTTR‐1

Description

  • POWER TRANSFORMERS
  • DISTRIBUTION TRANSFORMERS
  • CURRENT TRANSFORMER
  • MOTOR
  • LIVE SWITCH YARD MEASUREMENTS

Features

  • Automatic operation, No balancing is required
  • Measures and displays transformer ratio
  • 3½ digit LED display of ratio.
  • True 4 terminal measurement.
  • Resolution of 0.01 in the range 20
  • Fully protected against any wrong connections.
  • Single Phase / three phase model

Technical Specification

Power Supply 230V AC, +10%, 50Hz, single phase.  
LT Excitation Voltage 1VAC nominal
Test Frequency 60Hz + 3Hz (to avoid interference effect in Live switchyard)
RATIO RANGE RESOLUTIONACCURACY
0.001 - 19.99 0.01
0.01 - 199.9 0.1 + 0.1% FSD + 1 Digits
Indication 3 ½ Digit LED display of ratio.
Operating Temp 5° TO 45° C

Model : QTTR‐1

Description

  • POWER TRANSFORMERS
  • DISTRIBUTION TRANSFORMERS
  • CURRENT TRANSFORMER
  • MOTOR
  • LIVE SWITCH YARD MEASUREMENTS

Features

  • Automatic operation, No balancing is required
  • Measures and displays transformer ratio
  • 3½ digit LED display of ratio.
  • True 4 terminal measurement.
  • Resolution of 0.01 in the range 20
  • Fully protected against any wrong connections.
  • Single Phase / three phase model

Technical Specification

Power Supply 230V AC, +10%, 50Hz, single phase.  
LT Excitation Voltage 1VAC nominal
Test Frequency 60Hz + 3Hz (to avoid interference effect in Live switchyard)
RATIO RANGE RESOLUTIONACCURACY
0.001 - 19.99 0.01
0.01 - 199.9 0.1 + 0.1% FSD + 1 Digits
Indication 3 ½ Digit LED display of ratio.
Operating Temp 5° TO 45° C

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