Electrical Testers
GAO’s electrical testers are devices used to measure, test, and troubleshoot electrical parameters and conditions in electrical systems and circuits. They are used by electricians, technicians, and professionals working with electrical equipment. Our electrical testers come in various forms, each designed for specific testing purposes.  

GAO’s electrical testers are composed of display probe or test leads, measurement range selector, power source, control buttons, sensors, circuit protection, housing, calibration adjustments, data logging or connectivity. 

The other common names of the other electrical testers are voltage testers, continuity testers, multimeters, ammeters, ohmmeters, insulation testers, phase sequence testers, clamp meters, ground testers, power quality analyzers, frequency counters, earth resistance testers, impedance analyzers, network analyzers, surge testers, high-potential testers, leakage current testers, power factor meters, capacitance meters, inductance meters, function generators, logic analyzers, oscilloscope, EMI/RFI testers, battery testers, field intensity meter, cable testers, spectrum analyzers, dielectric strength tester, and infrared thermometers. 

GAO Tek has been focused on servicing the North American markets and has earned praise from many of its customers in the U.S., Canada, and Mexico.

Showing 1–24 of 298 results

GAOTek 4G Tracking Vehicle

SKU: GAOTek-GT-115
GAOTek 4G Tracking Vehicle combines a GPS module with multiple sensors (2 temperature, 1 humidity, 8 analog, 10 digital inputs, 4 pulse, and 4 relay outputs).
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GAOTek Accurate Positioning GPS

SKU: GAOTek-GT-106
This Accurate Positioning GPS has a temperature range of -4 °F to 32 °F, a humidity range of 5% to 95%, and a working voltage range of 9 V to 100 V.
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GAOTek Air Leak Tester

SKU: GAOTek- OET-127
GAOTek Air Leak Tester main function is to judge whether there is leakage by comparing the gas pressure difference before and after balance, and to test the physical and other related properties of the product.
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GAOTek Air Tag GPS Finder

SKU: GAOTek-GPS-200
This Air Tag GPS Finder has an RPC locator, only supports the Apple iOS system, a smart finder tag function, and a material of ABS plastic. 
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GAOTek Android 4G Tracking

SKU: GAOTek-GT-111
GAOTek Android 4G Tracking is a new generation of telematics terminals.
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GAOTek Android GPS Simcard

SKU: GAOTek-GT-126
his Android GPS Simcard has a battery of 1280 mAh, a screen resolution of 480 x 480, and a camera pixels range of 3 MP to 7 MP.
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GAOTek Android GPS Tablet

SKU: GAOTek-A=GLT-134
GAOTek Android GPS Tablet is a feature-rich rugged tablet. It has Android 11 operating system, built-in GPS, 4G, Wi-Fi, Bluetooth, NFC and many more communication modules making it efficient and easy to use.
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GAOTek Android GPS Tracker

SKU: GAOTek-GPS-197
This Android GPS Tracker has a temperature range of -4 °F to 158 °F, a humidity range of 5% to 95%, and a tracking sensitivity of 165 dBm. 
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GAOTek Android Tablet GPS Tracker

SKU: GAOTek-GPS-192
This Android tablet GPS tracker has an operating temperature range of 14 oF to 149 oF, memory of 2 GB ram + 16 GB rom, and a 5 in touch display. 
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GAOTek Anti Lost Tracking GPS

SKU: GAOTek-GPS-130
This Anti Lost Tracking GPS has a temperature range of -4 oF to 167 oF, a humidity range of 5% RH to 95% RH, and a working current of <40 mAh.
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GAOTek Anti Lost Tracking GPS.

SKU: GAOTek-GPS-119
This Anti Lost Tracking GPS has a temperature range of -4 oF to 167 oF, a humidity range of 5% RH to 95% RH, and a working current of <40 mAh.
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GAOTek Anti-Collision Device System

SKU: GAOTek-GPS-273
This Anti-Collision Device System has DC 9 V, DC 36 V power input, <1 A working current, Anti-collision system, and an android operating system.
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GAOTek Anti-Collision Device System

SKU: GAOTek-GPS-253
This Anti-collision device system has DC 9 V, DC 36 V power input, <1 A working current, Anti-collision system, and an android operating system
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GAOTek Appliance Safety Other Electrical Tester

SKU: GAOTek-OET-213
This Appliance Safety Other Electrical Tester has RCD test of 10 mA, display range of 30 V to 270 V, and measuring range of 0.00 MΩ to 20.00 MΩ.
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GAOTek Appliance Tester

SKU: GAOTek-OET-133
This Appliance Tester has display range of 30 V to 270 V, 5 V accuracy voltage indication, 200 mA DC measuring current, and voltage range of 100 V to 253 V.
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GAOTek Automatic Digital Earth Resistance Tester

SKU: GAOTek-OET-224
GAOTek automatic digital earth resistance tester adopts the latest digital and micro-processing technology, 3-pole or 2-pole method for earth resistance measurement.
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GAOTek Battery Analyzer

SKU: GAOTek-OET-340
This battery analyzer has a power supply of 12 V, battery capacity of 30 AH to 300 AH, voltage accuracy of 5 mV and conductance of 300 S to 2200 S.
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GAOTek Battery Capacity Tester

SKU: GAOTek- OET-129
GAOTek Battery Capacity Tester is an intelligent and efficient battery equalization device which is used to solve the problem of cell voltage imbalance quickly.
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GAOTek Battery Device for Laboratory Tester

SKU: GAOTek-OET-111
GAOTek Battery Device for Laboratory Tester electromagnetic vibration system simulates the vibration environment under the laboratory condition and tests the impact strength as well as reliability of various vibration test applications.
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GAOTek Bicycle GPS Tracker

SKU: GAOTek-GPS-154
This Bicycle GPS Tracker has a temperature range of -4 oF to 140 oF, a remote-control distance of 196.85 in, and operating voltage of DC 5 V.
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GAOTek Bike Tracking GPS

SKU: GAOTek-GPS-118
This GAOTek Tracking GPS has a sensitivity range of tracking 162 dBm, a capture range of 162 dBm, and a GMS Frequency of 850 MHZ.
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GAOTek Bike Tracking GPS

SKU: GAOTek-GPS-129
This GAOTek Tracking GPS has a sensitivity range of tracking 162 dBm, a capture range of 162 dBm, and a GMS frequency of 850 MHZ.
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GAOTek Cam GPS Tracker

SKU: GAOTek-GPS-152
This Cam GPS Tracker has an operating temperature range of -4 oF to 158 oF, voltage range of 9 V to 16 V and an accuracy of <196.85 in.
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GAOTek Camera Temperature Fuel Sensor

SKU: GAOTek-GT-127
This Camera Temperature Fuel Sensor has a temperature range of -4 °F to 167 °F, a humidity range of 105% RH to 85% RH, and a voltage range of 9 V to 95 V.
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GAO Tek’s electrical testers have the following functions:

  • Multimeter: Our multimeters are versatile electrical tester that combines several functions into a single device. It measures voltage, current, and resistance. Our multimeters can also test continuity, diode functionality, and capacitance. They are used in electrical and electronic troubleshooting, circuit testing, and general electrical measurements.
  • Voltage Tester: Our voltage tester are used to determine the presence or absence of voltage in a circuit. It helps to identify live wires and ensures electrical safety. GAO’s voltage testers are available in various forms, including non-contact voltage testers (which detect voltage without physical contact) and test lamps or pens (which light up or beep when voltage is detected).
  • Circuit Analyzer: Our circuit analyzers are used to test the integrity and safety of electrical circuits. It measures voltage levels, checks for proper grounding, verifies the presence of a neutral wire, and identifies wiring faults such as reversed hot and neutral wires. GAO circuit analyzers are used in residential and commercial electrical installations.
  • Ground Fault Circuit Interrupter (GFCI) Tester: GFCI testers are designed to test the functionality of ground fault circuit interrupters, which are electrical safety devices commonly found in areas where water is present (e.g., bathrooms, kitchens, and outdoor outlets). Our GFCI testers simulate ground faults and help ensure that GFCIs trip properly when a fault occurs.
  • Phase Sequence Tester: Our phase sequence testers are used in three-phase electrical systems to determine the correct order of the phase sequence. They ensure that the three phases are correctly connected and help prevent damage to motors and other three-phase equipment.
  • Insulation Resistance Tester (Megohmmeter): GAO’s Insulation resistance testers are used to measure the electrical resistance of insulating materials such as wires, cables, and electrical equipment. They help identify insulation problems and assess the overall insulation integrity. Our megohmmeters are used in maintenance and troubleshooting of electrical systems.
  • Power Quality Analyzer: Our power quality analyzers monitor and analyze various parameters of an electrical system, including voltage, current, frequency, harmonics, and power factor. They help identify power quality issues such as voltage fluctuations, harmonic distortion, and reactive power problems. GAO power quality analyzers are essential in industrial settings and for diagnosing electrical problems.

GAO Tek’s electrical testers are rugged, versatile and precision measurement instruments. They comply with applicable industry standards such as IEC 61010, IEC 61557, IEC 61000, UL 61010, ANSI/ISA-82.02.01, NIST Handbook 44, and ISO/IEC 17025

Our other electrical testers help our customers comply with relevant U.S. government regulations such as

  • National Electrical Code (NEC)
  • Occupational Safety and Health Administration (OSHA) Standards
  • National Institute of Standards and Technology (NIST) Regulations
  • Consumer Product Safety Commission (CPSC) Regulations

Our other electrical testers help our clients in complying with relevant Canadian government regulations such as:
Canadian Electrical Code (CEC)
Occupational Health and Safety (OHS) Regulations
Innovation, Science and Economic Development Canada (ISED) Regulations
Measurement Canada Regulations
Health Canada Regulations

Our other electrical testers have the following applications:

  • Circuit Analyzer: Gao Tek circuit analyzers are used to diagnose and analyze electrical circuits, including identifying faults, testing circuit integrity, and measuring voltage and current levels. It helps in troubleshooting electrical systems and ensuring proper circuit operation.
  • Insulation Tester/Megohmmeter: Our insulation testers are used to measure the insulation resistance of electrical components or systems. They help in assessing the insulation integrity of wires, cables, motors, transformers, and other electrical equipment. Gao insulation testers are used in preventive maintenance programs and during installation or troubleshooting to detect insulation breakdowns or faults.
  • Power Quality Analyzer: GAO’s power quality analyzers are used to measure and analyze various parameters related to the quality of electrical power. This includes voltage fluctuations, harmonics, power factor, voltage/current waveform distortions, and other power-related anomalies. Our power quality analyzers help in diagnosing power quality issues, assessing system performance, and identifying potential electrical problems.
  • Continuity Tester: GAO Tek continuity testers are used to check the continuity of electrical connections, wires, and components. They help in determining if a circuit is complete (closed) or broken (open). GAO continuity testers are used during installation, troubleshooting, or repair to ensure proper circuit connectivity and identify any interruptions or faults.
  • Phase Rotation Tester: Our phase rotation testers are used to determine the rotation direction of three-phase electrical systems. They help ensure that all phases are correctly connected and aligned, preventing potential equipment damage or operational issues due to incorrect phase rotation.
  • Ground Resistance Tester: Our ground resistance testers are used to measure the resistance of the grounding system. They help in evaluating the effectiveness of grounding and bonding in electrical installations, ensuring compliance with safety standards and minimizing the risk of electrical hazards.
  • Capacitance Meter: GAO Tek capacitance meters are used to measure the capacitance of capacitors. They help in testing and selecting capacitors for applications, verifying capacitance values, and assessing the condition or health of capacitors in electrical circuits or devices.

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