GAOTek Telecom Line Tester

This Telecom Line Tester has temperature range of 14 °F to 104 °F, test range of 0.9 to 10000, accuracy of ±0.1%+2 digit, and resolution of 0.0001.




  • Using a three-phase precision inverter
  • Power supply as the measurement voltage
  • Eliminates the harmonic influence
  • Mains voltage during measurement makes the measurement more accurate
  • No influence when working power source is generator
  • The three-phase output voltage is adopted
  • Improve the test speed
  • The angle between phases can be measured
  • The wiring group 0 to 11 can be automatically identified
  • It is suitable for a wide variety of transformers
  • Especially suitable for the measurement
  • Z type transformers, rectifier transformers
  • Grounding transformers, electric furnace transformers
  • Phase shifting transformers, balance transformers, etc.
  • With high and low voltage reverse
  • Connection protection, transformer turn to turn
  • Short circuit protection, tap switch failure protection
  • Output full short circuit protection
  • Increase the stability of the instrument
  • After inputting the rated parameters
  • It can automatically measure the transformer ratio
  • Error value and tap position of the tap changer
  • Especially for tap changers with asymmetric tapping
  • The accurate position of the tap changer
  • The transformer can also be accurately measured
  • A tap switches capable of measuring 99 tap positions
  • Adopt 7 in (17.7 cm) high-definition color touch screen LCD
  • Modular display, good visibility even under strong light
  • Can be connected to an external device
  • Printer to print measurement data environment friendly
  • High quality multifunctional engineering
  • Plastic box is cold resistance
  • High temperature resistance


Technical Specifications

Test Range 0.9 to 10000


±0.1%+2 digit,0.9 to 500±0.2%+2 digit,501 to 2000

±0.5%+2 digit,2001 to 10000

Output Voltage Automatically adjust according to load
Best Resolution 0.0001
Power Supply Internal Battery
Temperature Range 14 °F to 104 °F (-10 ℃ to 40 ℃)
Relative Humidity 0% to 85%, non-condensing
Dimension 14.1 in x 11.4 in x 6.69 in (360 mm x 290 mm x 170 mm)
Weight Instrument 11.02 lb (5 Kg)Accessories case 12.1 lb (5.5 Kg)


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