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Best circuit testers - March 2025

Last Updated - 14/03/2025

1
Best Choice
15% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Martindale Electric
15% Off

Martindale Electric NC2 Non-contact Voltage Tester , Yellow

Martindale Electric

£22.19

£26.40
(15% Off)

More Details
Main highlights
- Power on LED pulse and low battery indicator
- Optimised for 230V single and 3 phase supplies
- LED torch for use in low light
- Extended probe for easy access
- Clear tip for high visibility indication
- Audible and visual indication from 200V to 1000V AC
£22.19
£26.40 (15% Off)
2

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

TESMEN

TESMEN TM-510 Digital Multimeter, 4000 Counts, Smart measurement, Auto-Ranging Voltage Tester; Voltmeter with Non-Contact Voltage Function, Measures AC/DC Voltage, Resistance, Continuity – Green

TESMEN

£16.99

More Details
Main highlights
- 【Worry-free After-sales】Package includes a digital multimeter, 2 test leads, a storage bag, 2 AAA batteries, and a user manual. We provide a 3-year maintenance service and lifetime technical support. If you have any questions or problems while using the product, don't hesitate to contact us!
- 【User Friendly】Supports Data Hold, Automatic Shutdown, Low battery indicator, Backlight display, and Flashlight. All these convenience features make the instrument more than enough for daily use by amateurs, car owners, and homeowners. Easy to use, enjoy endless DIY fun!
- 【Smart Digital Multimeter】Thanks to its Smart Auto Mode, TESMEN TM-510 4000 counts smart digital multimeter allows you to quickly switch between all measurement tasks, including AC/DC voltage, resistance, and continuity, without selecting a mode or range. It makes measuring work easy, fast, and accurate
- 【Safety Guarantee】CAT II 600V, CE, and RoHS certified. Overload protection measures are used inside the instrument to improve the product's safety performance and maximise users' safety. The outer silicone cover protects the multimeter from damage and potential electric shock
- 【Non-contact】Completely safe Non-Contact Voltage test with a visual and audible alarm; a time-saving and safe feature. You can measure the voltage on the AC wire without having to connect the wire, which makes troubleshooting the line much easier
£16.99
3
Best Value
15% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

KAIWEETS
15% Off

KAIWEETS Smart Circuit Tester, 0.8V-100V DC Voltage Tester with Backlight, Digital Test Light with Flashlight Measures Polarity Continuity, Automotive Fuse Tester for Car Battery

KAIWEETS

£14.44

£16.99
(15% Off)

More Details
Main highlights
- 【Wider Voltage Range】The smart automotive circuit tester with 0.8-100V DC voltage testing range, perfect for examining different electrical circuits in vehicles. Our upgraded technology allows for measuring a maximum voltage of 100V, surpassing the typical 60V maximum voltage capability of other auto electrical testers available on the market.
- 【Wide Usage & User-friendly】The digital test light allows for the fast test of automotive headlights, taillights, turn signal circuits, fuse connections, faulty sockets, as well as other 0.8-100V DC wirings and circuits. The premium 78.74-inch long PU spring wire provides flexibility and durability compared to standard cable wires and offers convenient use and storage. It features a large-sized alligator clip for effortless one-hand operation, ensuring improved working efficiency.
- 【Smart Mode】The digital automotive tester defaults to SMART mode. In the SMART mode, the meter can automatically measure and identify the AC/DC voltage, polarity, resistance, and continuity. It can automatically detect the measurement content and choose the optimal range for the highest precision, eliminating the need for any additional operations on your part!
- 【Precise LED Digital Display & Probe Guard Protection】The automotive circuit tester features a clear and bright green backlight LED digital display that provides accurate volt readouts. It offers a 0.1V resolution ratio with high accuracy. In comparison to LCD displays, the green LED reading display is guaranteed to be clear and visible both during the day and at night. Features a thick probe guard to protect you from accidental stab wounds while helping make the spring wire easy to carry.
- 【3-Year After-Sales Service】If durability is what you seek in a circuit testing tool, look no further. we offer a 3-year after-sales service and lifetime technical assistance. If you have any inquiries, please don't hesitate to contact us.
£14.44
£16.99 (15% Off)
4

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

ULTRICS

ULTRICS Digital Multimeter, Voltmeter Ammeter Ohmmeter Circuit Checker with Backlight LCD Test Leads, Portable Multi Tester Measures OHM AC DC Voltage Current Resistance Continuity Diodes Transistor

ULTRICS

£14.99

More Details
Main highlights
- 【RELIABLE PERFORMANCE】 This digital multi tester includes test leads and 9V battery, overcharge protection on all ranges, low battery indicator. Double insulation with a stand for good viewing angle
- 【MULTIPURPOSE USE】 Compact digital multimeter ideal for commercial and home use. Works as a voltmeter, ammeter, ohmmeter testing continuity, AC/ DC voltage, diode, transistor HFE, car battery tester
- 【LCD BACKLIT DISPLAY】 Professional multimeter tester's display is visible from different angles, making value easily readable in low light and dark places. Data hold function makes measuring easier
- 【DURABLE AND SAFE】 Our voltage meter can be handheld or used with a fold out stand, a thick rubber case protects the multi meter from splashes, minor bumps. Comes with 12 month warranty and supports
- 【DIY TESTING TOOL】 This electrical tester or device is useful in the laboratory, education, workshop, factory. Recommended by professionals/ engineers. A safe device with upgraded 1000V 10A probes
£14.99
5

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Zoe & Jim

Circuit Tester, 3-70v Dc Voltage Tester with Digital Test Light Flashlight Measures Polarity Continuity, for Automotive Fuse Tester Wiring Circuit Checking

Zoe & Jim

£11.99

More Details
Main highlights
- TESTING PEN WIDE RANGE OF APPLICATIONS -- 3-70v Testing pen ideal for checking circuits in a wide range of vehicles, quickly checking car headlights, tail lights, turn signal circuits, faulty sockets, fuse connections and other wiring and circuits.
- PRODUCT SPECIFICATION -- The online testing of the testing pen 3-70v dc automotive electronic control system is specifically designed to detect low-voltage circuit faults in transportation machinery. used to detect short circuits and open circuits in power, grounding, and wires. quickly check the car's headlights, taillights, turn signal circuits, faulty sockets, connections, fuses, broken wires, etc.
- CIRCUIT TESTERS DURABLE AND FLEXIBLE -- Designed with stretchable long cables and probes, easy to access difficult to diagnose areas. the anti bending design of the tail line eliminates the need to worry about poor line contact.
- CAR CIRCUIT TESTER MATERIAL -- Circuit tester tester 3-70v as plastic, carbon steel handle; line length: approximately 110 inches
- BIDIRECTIONAL VOLTAGE TEST -- The alligator clip is easy to connect to negative or positive ground, and there is a led on the circuit board for polarity indication (red light indicates positive polarity "+", green light indicates negative polarity "-")
£11.99

Best circuit testers - March 2025

Martindale Electric NC2 Non-contact Voltage Tester , Yellow

TESMEN TM-510 Digital Multimeter, 4000 Counts, Smart measurement, Auto-Ranging Voltage Tester; Voltmeter with Non-Contact Voltage Function, Measures AC/DC Voltage, Resistance, Continuity – Green

KAIWEETS Smart Circuit Tester, 0.8V-100V DC Voltage Tester with Backlight, Digital Test Light with Flashlight Measures Polarity Continuity, Automotive Fuse Tester for Car Battery

ULTRICS Digital Multimeter, Voltmeter Ammeter Ohmmeter Circuit Checker with Backlight LCD Test Leads, Portable Multi Tester Measures OHM AC DC Voltage Current Resistance Continuity Diodes Transistor

Circuit Tester, 3-70v Dc Voltage Tester with Digital Test Light Flashlight Measures Polarity Continuity, for Automotive Fuse Tester Wiring Circuit Checking

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