Transmission Line Testers

GAO’s transmission line testers are electronic instruments designed to test the integrity and performance of electrical transmission lines. Our devices measure various parameters such as impedance, voltage, current, and reflection coefficients to detect any faults or anomalies in the transmission lines. By analyzing the data gathered from these tests, transmission line testers can identify issues such as cable faults, insulation problems, and improper termination, which can lead to signal degradation and system failures. Thus our transmission line testers play an important role in ensuring the reliability and efficiency of electrical transmission systems.

GAO’s transmission line testers are composed of test signal generator, probe or test leads, display unit, signal processing and analysis circuitry, and power source.

A transmission line tester is also known as line tester, cable tester, wire tester, signal line tester, communication line tester, network line tester, data line tester, connectivity tester, transmission line analyzer, line quality tester, line integrity tester, cable line analyzer, line impedance tester, line noise tester, line continuity tester, line fault tester, line performance analyzer, line signal analyzer, line impedance analyzer, line condition tester, line voltage tester, line path analyzer, line characterization tester, line diagnostic tool, line inspection device, line verification tool, line integrity analyzer, line signal quality tester, line troubleshooting device and line connectivity analyzer.

Showing 1–24 of 93 results

GAOTek Multi-function Handheld xDSL Tester

SKU: A0010004tek
This light weight handheld xDSL tester is designed to test and analyze ADSL, ADSL2, ADSL2+, VDSL2 networks and user friendly Graphical User Interface Testing
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GAOTek Cable Fault Locator

SKU: GAO-CFL-102
This cable fault locator combines the function of both Time Domain Reflectometer(TDR) and intelligent bridge testing (bridge). It measures the exact fault location in the broken line, cross faults, lead covered cables, and plastic cables
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GAOTek Three Phase Power Quality Analyzer (Built-in Data Storage)

SKU: GT00YQ00ZX
This high precision three phase power quality analyzer with built-in data storage is used to test power grid waveform distortion, voltage fluctuation and flicker, harmonic content and unbalanced three-phase power quality problems
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GAOTek Three Phase Power Quality Analyzer (Real-Time Display)

SKU: GT00YQ00ZZ
This Three Power Quality Analyzer is a specially designed testing instrument which tests the power grid waveform distortion, voltage fluctuation, harmonic content and unbalanced three-phase power quality problems.
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GAOTek Earth Resistance Tester with 2, 3 and 4-Pole Measurement Testing

SKU: GAO-ERT-101
Overview Key Features Specifications Additional Information Downloads Overview GAOTek Earth Resistance Tester with 2, 3 and 4-Pole Measurement Testing is
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GAOTek High Voltage Current Ratio Tester with Clamp Ammeter

SKU: GT00YC00ZY
This High Voltage Current Ratio Tester with Clamp Ammeter is used for on-line measurement of high-voltage current transformer in service under 60 KV, primary and secondary current of transformers, transformation ratio, and leakage current with high accuracy
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GAOTek H/L Voltage Clamp Current Meter with Data Storage

SKU: GT00YA00ZZ
This H/L Voltage Clamp Current Meter is used as a high-precision, low-voltage clamp meter and as a leakage current meter, measuring the current or leakage current of 0.01 mA, respectively.
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GAOTek H/L Voltage Clamp Meter and Detector

SKU: GT00YA00ZY
This H/L Voltage Clamp Meter is designed for measuring high voltage currents and comes with wireless receivers which can receive measured data within a 0.01 mi (30 m) line.
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GAOTek H/L Voltage Clamp Meter with Data Memory

SKU: GT00YA00ZW
This H/L Voltage Clamp Meter with Data Memory provides high precision and high voltage current measurement by adopting the latest CT and integrated mask digital technology.
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GAOTek Double Clamp Digital Phase Volt-Ampere Meter

SKU: GT00Y900ZZ
This intelligent Double Clamp digital Phase Volt-Ampere Meter is used in the direct measurement of AC voltage and current, and also used for indirect measurement of power factor and power of the circuits.
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GAOTek High Precision Power Quality Analyzer (Real Time display)

SKU: GT00YQ00ZY
This High Precision Power Quality Analyzer is a multi-functional device which comes with the functions of electric parameter measurement, energy meter calibration and wiring judgment.
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GAOTek Three-Channel Wireless HV CT Ratio Tester

SKU: GT00YC00ZZ
This Three-Channel Wireless HV CT Ratio Tester is used for on-line measurement of current and voltage using wireless transmission signal with a direct-line transmission distance of about 30 m.
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GAOTek Phase Meter with Wire Examination (Phase Detection)

SKU: GT00Y900ZX
This Phase Meter with Wire Examination is a multi- functional instrument which provides detection of phase sequence, live wire examination, simple power detection and also helps in break location detection.
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GAOTek Power Tester for Loop Resistance (High Accuracy)

SKU: GT00Y800ZY
This power tester is designed for ground resistance testing as well as loop resistance testing.
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GAOTek Earth Resistance Tester for AC/DC Current (Data Holding)

SKU: GT00Y800ZX
This Earth Resistance Tester is designed for broad ground resistance measurement and loop resistance measurements.
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GAOTek Phase Meter with Nuclear Phase (Wireless Transmission)

SKU: GT00Y900ZW
This Phase Meter measures the difference in high voltage phase signal and wireless transmission with a visual range of up to 656 ft (200 m) and a sampling rate of up to 3 times/second
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GAOTek Phase Meter for High Voltage (Digital Display)

SKU: GT00WD00ZZ
This Phase meter for High Voltage (Digital Display) is used to test on high and low voltage, testing phase position with wireless transmission distance and linear transmission distance of about 262.46 ft. (80 m)
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GAOTek Power Meter with High Accuracy (Multiple Wavelength)

SKU: GT00ZO00ZC
This power meter is a high-accuracy and multi-wave functional meter that is specially designed to test instruments.
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GaoTek High Voltage Cable Transmission Line Parameter Tester

SKU: GAOTek–TLT-102
GAOTek High Voltage Cable Transmission Line Parameter Testers are specialized devices designed for accurately measuring and assessing the parameters of high voltage cables used in power transmission lines.
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GAOTek Transmission Overhead Line Open Short Circuit Fault Tester

SKU: GAOTek –TLT-103
GAOTek Transmission Overhead Line Open Short Circuit Fault Distance Tester is an advanced device designed to accurately determine the distance to open or short circuit faults in transmission overhead lines.
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GAOTek Wireless High Voltage Overhead Transmission Line Phase Tester

SKU: GAOTek –TLT-105
GAOTek Wireless High Voltage Overhead Transmission Line Phase Tester is a portable device that allows for safe and efficient testing of power line phases without the need for physical contact.
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GAOTek Acousto-optic Wireless High Voltage Overhead Transmission Line Phase Tester

SKU: GAOTek–TLT-107
GAOTek Acousto-optic Wireless High Voltage Overhead Transmission Line Phase Tester is a cutting-edge device that combines acousto-optic technology with wireless communication to enable accurate and remote testing of power line phases.
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GAOTek High-Voltage Transmission Line to Ground No Voltage Tester

SKU: GAOTek –TLT-104
GAOTek High-Voltage Transmission Line to Ground No Voltage Tester 500kV ensures safety during maintenance by accurately detecting voltage absence.
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GAOTek Portable High Voltage Wireless Tester

SKU: GAOTek–TLT-108
GAOTek Portable High Voltage Wireless 220 kV Phasing Tester Voltage Phaser Detector is a compact and powerful device designed for accurate and efficient testing of high voltage phases.
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GAO Tek’s transmission line testers have the following functions:

  • Measuring impedance: GAO’s transmission line testers can measure the impedance of a transmission line, which is a measure of the resistance to the flow of electrical current.
  • Testing insulation: Our transmission line testers can also test the insulation of the transmission line to ensure that there are no leaks or weak spots that could cause electrical interference or safety hazards.
  • Detecting faults: GAO’s transmission line testers can detect a range of faults in a transmission line, such as line breaks, grounding issues, or voltage drops.
  • Characterizing the transmission line: Our transmission line testers can also provide detailed information about the characteristics of the transmission line, such as its capacitance, inductance, and propagation delay.
  • Verifying installation: Our transmission line testers can also be used to verify the installation of new transmission lines or to ensure that existing lines are in compliance with relevant safety and performance standards.

GAO Tek’s transmission line testers are rugged, versatile and precision measurement instruments. They comply with applicable industry standards such as IEEE Standards, IEC Standards, ASTM Standards, and ISO Standards.

Our transmission line testers help our customers comply with relevant U.S. government regulations such as,

  • Occupational Safety and Health Administration regulations
  • National Electrical Code
  • Federal Communications Commission regulations
  • National Institute of Standards and Technology regulations

Our transmission line testers help our clients in complying with relevant Canadian government regulations such as,

  • Canadian Electrical Code
  • Canadian Occupational Health and Safety regulations
  • Measurement Canada regulations
  • Industry Canada regulations

Our transmission line testers have the following applications:

  • Cable fault location: GAO’s transmission line testers can be used to locate faults in underground power cables, such as insulation breakdowns or short circuits.
  • Line impedance measurement: Our transmission line testers can be used to measure the impedance of transmission lines, which is important for determining the quality and efficiency of the line.
  • Transmission line condition assessment: GAO’s transmission line testers can be used to assess the condition of transmission lines, including the presence of corrosion, damage, or other defects that may affect performance.
  • Insulation testing: Our transmission line testers can be used to test the insulation resistance of electrical equipment, including cables, transformers, and switchgear.
  • Waveform analysis: GAO’s transmission line testers can be used to analyze the waveforms of electrical signals on transmission lines, which can provide information about the performance and characteristics of the line.

Our transmission line testers can be shipped overnight within the continental U.S. and Canada, and can be shipped globally.