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.

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GAOTek AC Wireless Tester

This AC Wireless tester has an operating temperature of 32 °F to 113 °F, phase difference accuracy of ≤ 15 ° and power supply of 220 V.

GAOTek AC Wireless Voltage Tester

GAOTek AC wireless voltage tester provides grid connection or ring network nuclear phase of two high voltage lines.

GAOTek Acousto-optic Wireless High Voltage Overhead Transmission Line Phase Tester

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.

GAOTek Air Pollution Tester

This Air Pollution Tester has operating temperature range of 32 °F to 122 °F, humidity range of 0% to 90% RH, and a measurement interval of 2 s.

GAOTek ATT Optical Fiber Tester

GAOTek ATT optical fiber tester supports construction and maintenance of telecommunication and CATV networks.

GAOTek Avoidance Transmission Line Tester

GAOTek avoidance transmission line Tester is a special instrument for on-site and laboratory to detect various related electrical parameters of the mines lite.

GAOTek Basic ADSL Tester for xDSL Line test and Maintenance Tools

GAOTek Basic ADSL Tester is a versatile tool specifically designed for xDSL line testing and maintenance.

GAOTek Cable Speed Transmission Line Tester

GAOTek cable speed transmission line tester is used for automatically testing the precise location of the coaxial cable and communication cable’s broken wires, mixed wires, ground gas and related cable fault.

GAOTek CAT Electric Calibrator

GAOTek CAT electric calibrator adopts high speed A or D transmission to send DSP to conduct digital processing, which largely improves measured degree of accuracy and stability.

GAOTek Circuit Breaker Tester

GAOTek circuit breaker tester has voltage switch operating characteristics tests. It can accurately measure low-oil, multi-oil, vacuum, sulphur hexafluoride and other high-voltage circuit breakers of various voltage levels. Mechanical dynamic characteristics parameters.

GAOTek Circuit Breaker Testing

GAOTek circuit breaker testing has transformer ratio group test, PT, CT transformer polarity test, which overcomes the shortcomings of traditional transformer bridge test.

GAOTek Coaxial Cable Tester

This Coaxial Cable Tester has storage temperature of 14 ℉ to 104 ℉, relative humidity of ≤ 80%, range of 0.9 dB to 1000 dB and output voltage of 10 V.

GAOTek COD Portable Tester

GAOTek COD portable tester provides multi-parameter water quality analysis mainly used in the field, supports intelligent batteries, car power with high pressure and waterproof portable test cases.

GAOTek Comprehensive Tester

GAOTek comprehensive tester has multifunction digital safety testing instrument, designed with a combination of large-scale integrated analog & digital circuits and micro-processor chip.

GAOTek Connector Fiber Optic Tester

GAOTek connector fiber optic tester this type of Handheld optical power meter is a compact and an easy-to-use testing instrument for optical fiber networks, which can be used for absolute optical power measurements as well as for relative loss measurements in optical fibers.  

GAOTek CT PT Analyzer

This CT PT Analyzer has an operating temperature of 14 °F to 122 °F, actual load measurement of 300 V A and working power supply of 50 Hz to 60 Hz.

GAOTek Current Load Transmission Line Tester

GAOTek current load transmission line Tester is portable analyzer designed for analyzing current transformers and voltage transformers of protection or measurement use, which is suitable for laboratory and on-site tests.

GAOTek DC Digital Tester

GAOTek DC digital tester measures the insulation resistance of insulators in power systems to ensure the reliable and safe operation of transmission lines.

GAOTek DC Resistance Testers

GAOTek DC resistance tester has overhauling and changing tap switch, it is also an important detecting project after fault.

GAOTek DC Resistance Transmission Line Testers

GAOTek resistance tester has dc resistance is transformer manufacturing of semi-finished products, finished products testing, installation, commissioning test and power sector preventive test will measure project, can effectively find the transformer coil material selection, welding, loose connection parts, short, break the blemish such as manufacturing and running after the existence of hidden dangers.

GAOTek DC Resistance Transmission Line Testers

GAOTek DC resistance transmission line testers is apply to the test for all kind of sensibility on-load DC resistance and low-voltage switcher touched resistance, cable or weld resistance of transformer, large generator, CTPT, etc.

GAOTek Digital AC Tester

This Digital AC Testers has output waveform of 60 HZ, output power of 1500 VA, power consumption of ≤ 30 W and time range of 99 s ± 1%.

GAOTek Digital Ground Resistance Tester

This Digital Ground Resistance Tester has ambient temperature of 32 °F to 113 °F, resolution of 0.001 ohms and voltage of AC 0 V to 19.99 V.

GAOTek Digital LCD Tester

This Digital LCD Tester has test voltage of 5000 V, measuring time of 15 minutes, short circuit current of < 3 mA and range of 5 Mohm to 1000 Gohm.

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.