Trailer Circuit Testers
determine that a trailer's lighting is working. Trailer
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Product
Trailer Tester
Inspector 930
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The Inspector 930 trailer tester is a complete, all-in-one trailer diagnostic system which simplifies ABS, brakes, air, lights, and electrical testing. It provides the ability for a single technician to perform a full inspection in one trip around the trailer.
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Product
Circuit Tester
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Circuit Tester 90 to 300 Volts AC/DC - Easy to read 300 Max Voltage Circuit Tester.
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Product
Battery Short Circuit Tester
TOB-BSCT-01
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Xiamen Tob New Energy Technology Co., Ltd
Battery Short Circuit Tester For Not Charging Semi-Finished Battery Core Checking Out. This Battery Short Circuit Tester is used for check out NG batteries for battery core without electrolyte filled or before battery charging. For lithium battery research, it is used for battery core after winding process or stacking process to check out bad battery with automatic alarm.
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Product
6-24V Circuit Tester
1656
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Peaceful Thriving Enterprise Co Ltd
Check on 6, 12 and 24V systems. The most essential for troubleshooting automotive electrical systems. Make it easy to find out where current is present.
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Product
7 Round Pin Tractor Trailer Circuit Checker / Maintenance Kit
#8029
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Innovative Products of America
Test, clean and restore 7 round pin connections. Tester will verify tow vehicle is sending proper signal to the connector, while cleaning tools remove corrosion and verify proper pin size on both male and female truck/trailer plugs. For use with 7 round connectors. Tests tractor electrical circuits Removes corrosion from truck and trailer connectors Enhances electrical contact points Extends harness life Use as a pin wear gaugePatentedKit Includes: #7865L: 7 Round Pin Tractor Trailer Circuit Checker, #8024: 7 Round Pin Cleaner, and #8030: 2 ml DeoxIT Cleaner
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Product
Automatic Circuit Breaker Tester
GDGK-306
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Chongqing Gold Mechanical & Electrical Equipment Co.,Ltd
1) Test standard: IEC622712) Closing and opening time measurement of 12 channels3) Max difference of closing or opening time measurement of three phases4) C-O and O-C time measurement5) Rated operation sequence test6) Bounce time and frequency measurement of breaker closing7) Circuit breaker closing and opening speed measurement8) Travel-time, Coil current-time curve of circuit breaker operation measurement9) Travel and clearance of circuit breaker measurement10) Variable DC circuit breaker operation power supply11) Closing arc resistance value and connected time measurement12) Closing time and opening time of graphite circuit breaker measurement13) Print test results by internal micro printers
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Product
Check-Point Circuit Tester
21000
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Most widely used automotive circuit tester. Quickly checks all 6 and 12 volt systems. Use with power on. 48" ground wire. Use to locate shorts, grounds and open circuits.
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Product
Heavy Duty Circuit Tester
27000
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Designed for testing electrical circuits and locating shorts, grounds, and open circuits. Electrical circuit tester available for checking 6V and 12V systems. Heavy duty battery clip .
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Product
Polarity Indicator Circuit Tester
CT8007
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No ground wire means no wire tangles nor time lost searching for grounding points. High Impedance electronic circuitry. Negligible current draw ( 1 microampere) is 30,000 times less than regular lamp type testers. This gives complete safety when working around sensitive electronic control modules and sensors. Operating range between 6 and 28 Volt DC in battery powered systems
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Product
6-24V Car Circuit Tester
1952
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Peaceful Thriving Enterprise Co Ltd
Check on 6-24V system. The alligator (earth) clip is suitable for earth and the tip of the contact probe is placed onto the part to be used. If current is present the test light will glow.
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Product
Transforming Analog Circuit Breaker Testers
MAC-21
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The MAC-21 uses proven microprocessor and A/D converter technology to provide real-time waveform analysis. This ensures accurate true-RMS readings of current pulses, even with DC offset and distortion, which are typical in primary injection testing. Intelligent threshold algorithms provide accurate trip time measurement. Integration of measurement and control functions allow advanced features such as preset on times, auto ranging, and optional printer or computer interface.
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Product
Professional Cordless Circuit Tester
CT8002
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No Ground or clip required. No ground wire means no wire tangles nor time lost searching for grounding points. High Impedance Electronic circuitry. Safety V-groove needle accessory for piercing and carrying. Negligible current draw ( 20 micro-amps) is 10,000 times less than regular lamp type testers. This gives complete safety when working around sensitive electronic control modules and sensors. Operating range between 3 and 28 Volt DC in battery powered systems.
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Product
Digital Circuit Tester 3-49V
28830
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Operating range of 3-49 volts DC to work on most vehicle electrical systems. 360° visibility of polarity. The red light indicates positive polarity, green indicates negative polarity. Long, 12ft. coil cord and heavy-duty alligator clamp for secure connections. The probe is insulated to prevent the possibility of shorting the side of the probe to other components.
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Product
12-42V LED Heavy Duty Circuit Tester
1651A
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Peaceful Thriving Enterprise Co Ltd
*Check on 12 - 42V systems. *Automatic voltage identification: BLUE LED for General car / RED LED for Hybrid car.
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Product
Circuit Breakers
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As the premier supplier of power system components, Interpower has what you need to complete your projects, including circuit breakers. Interpower has no minimum order requirements, plus same day shipping is available on in-stock Interpower products.
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Product
Circuit Breaker Tester
GDGK-303
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Chongqing Gold Mechanical & Electrical Equipment Co.,Ltd
1) Closing and opening time measurement of 12 channels2) Max difference of closing or opening time measurement of three phases3) Bounce time and frequency measurement of breaker closing4) Circuit breaker closing and opening speed measurement5) Travel-time, Coil current-time curve of circuit breaker operation measurement6) Clearance of circuit breaker measurement7) Variable DC circuit breaker operation power supply8) Print test results by internal micro printers
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Product
RV Protocol Trailer Light and Electric Brake System Tester
RVCHECK
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The RVCHECK is a fast, easy, low-cost way to test RV lighting and electric braking systems. In addition to powering an RV trailer's lighting circuits for easy checking, your RVCHECK measures the current draw of the electric brake coils, and checks the break-away battery circuit.
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Product
3-28V Cordless Circuit Tester
1948
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Peaceful Thriving Enterprise Co Ltd
With CE & UKCA Approvals. Detect voltage from 3V to 28V. No ground wire or clip required. Replaceable long-life alkaline batteries included.(Power supply: SUM5 1.5V X 2 pc). Safe with ECMs, sensors, transducers and air bags.
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Product
6-12V Heavy Duty Circuit Tester
1649
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Peaceful Thriving Enterprise Co Ltd
Check on 6 and 12V systems. Quickly and safely tests high and low voltages on all vehicle voltages, including computerized engine.
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Product
Super MUTT Head Portable, Remote Controlled Diagnostic Trailer Tester
#9005A
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Innovative Products of America
The Super MUTT Head is a portable, remote controlled diagnostic trailer tester for inspecting lighting, ABS and air brake systems on commercial type trailers. Specially designed for service trucks and offsite inspections, the Super MUTT Head is powered by an (optional) internal 12v battery, or external power source such as a service truck battery, using the supplied external connector and requires shop air for air brake application.
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Product
6-24V Car Circuit Tester
1951
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Peaceful Thriving Enterprise Co Ltd
Check on 6-24V system. The alligator (earth) clip is suitable for earth and the tip of the contact probe is placed onto the part to be used. If current is present the test light will glow.
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Product
Circuit Testers
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Precision Mastech Enterprises Co.
Portable, handheld electrical tools used to detect voltage, verify electrical power, check for continuity (broken circuits), and test for proper grounding in electrical systems, outlets, and automotive components.
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Product
7 Round Pin Tractor-Trailer Circuit Tester
IPA7865
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Troubleshoot male and female 7 round pin tractor trailer electrical circuits on both the truck and trailer side. Allows bypassing of troubled circuitry while on the road.
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Product
Test Circuit
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Before charging the battery, it is essential to know the state of charge. It also often be performed electrical and electronic measurements in cars. To meet this demand, FERVE has the widest range of small testers market. These devices work directly on the battery and its variety of size allows it to fit any space, giving them an additional attraction that binds to the latest technology and the highest quality of their electronic components.
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Product
6-24V Digital Display Circuit Tester
1674
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Peaceful Thriving Enterprise Co Ltd
Check on 6, 12 and 24V systems.
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Product
6-12V Circuit Tester
TE6-0704
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Hangzhou Tonny Electric & Tools Co., Ltd.
Do-it-yourself quality. 6-12 volt tester. Tests circuits with power on. Reliable and economical. Tests circuits, lights and fuses. Lights for easy visibility. Durably designed for a long service life . For testing 6-12 volt systems for wire breaks, shorts, fuses, lamps, relays, armatures and more. Suite able for a broad range of household, car, trucks, boats, trailers, vans, motorcycles, industrial and commercial uses.
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Product
CT Tester, Meter Tester, Circuit Analyzer
GOLD MINER IV
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Gold Miner is the first device of its type to test the electricity meter using exact, simultaneous measurements made on all primary and all secondary phases of the circuit. Perform in-service meter testing with a combined 3-phase load, or a single-phase load. Gold Miner not only displays the Meter’s accuracy, but also the overall, true accuracy resulting from the CTs + Meter combination for your entire measurement circuit.
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Product
6-12V Heavy Duty Circuit Tester With Long Probe
1668A
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Peaceful Thriving Enterprise Co Ltd
Check on 6 and 12V systems. To indicate whether there is an electrical potential at any low voltage point in the system. By using the pointed contact tip to pierce insulation on cables, it will also indicate if current is present. This can be helpful when tracing faults or add cable to a circuit.
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Product
6-48V Digital Circuit Tester With Pierce Probe And Long Probe
1675A
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Peaceful Thriving Enterprise Co Ltd
Check on 6, 12, 24 and 48V systems.





























