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Circuit Testers - Free UK Delivery Over £25 - Buy Online | Zoro

Fast, accurate and safe current measurement at the fuse box. Ideal for fault-finding on car and commercial vehicle electrical circuits. Features large LCD display. Plugs straight into the vehicle's fuse board.

• Suitable for 6-24V DC circuits.
• Insulated body with test light.
• Probe tip is covered with protective plastic cap.
• Tester illuminates when voltage is present.
• Supplied with cable and alligator earth clip.
• Model No. AK5000

Circuit Tester 6-24V

Identifies polarity of circuit being tested on LCD display, red for positive and green for negative. LCD meter draws minute currents making this tool safe to use around delicate electronic components. With a range of 3-48V DC, this tool is suitable for motorcycle, car, hybrid and commercial vehicles. Supplied with 3m coiled cable and insulated crocodile earth clamp. Do not use on air bags.

Integrated Test Light/Volt Meter 3-48V

Suitable for testing 6, 12 and 24V DC circuits. Insulated, pointed probe tests through wire insulation. Supplied with 1.5m cable and crocodile earth clamp.

Circuit Tester with Test Light 6-24V

Probe tool allows continuity and polarity tests to be carried out quickly and efficiently on 6, 12 and 24V systems. Polarity indicated by red/green LEDs respectively. Supplied with 1.5m cable and shrouded earth clip.

Circuit Tester 6/12/24V with Polarity Test

Suitable for 6, 12, 24 and 48V DC circuits. LED array indicates polarity and voltage range. Supplied with 850mm cable and crocodile earth clamp.

Circuit Tester 6/12/24/48V LED

Suitable for testing DC circuits with voltages between 3 and 28V. No earth clips to get tangled - simply contact the wire to be tested and touch your finger on bare metal ground to get a reading. Tester illuminates LED, buzzes and vibrates on contacting live wire. Computer-safe for use around delicate engine management systems. Supplied fitted with two long life N-sized batteries.

Cordless Circuit Tester Buzzer/Led 3-28V

Find short and open circuits fast and easily. Simply attach the sender unit to the circuit and follow the wires using the detector. Ideal for automotive repairs. Suitable for all DC circuits up to 42V. Supplied in storage case. Powered by two 9V batteries.

Open & Short DC Circuit Detector 6-42V

Fully insulated probes have a spring loaded clamp with stainless steel pin that self centres and punctures the insulation. Fitted with Ø4mm banana style connectors and suitable for use with most multimeters and analysers. Suitable for automotive use only, with a maximum input of 50V DC.

Automotive Wire Piercing Test Lead Probes 0-50V

Automotive Current Tester 20A - Standard Blade Fuse

Health test for 4 and 5-pin electro-mechanical relays commonly found on modern vehicles. Test feature will cycle the relay ten times, testing the resistance, contacts and consistency within each cycle. If a cycle fails on the test then this will be indicated by a red LED and alternatively a green LED if relay works.

Relay Tester

• Identifies the polarity of the circuit being tested on the LCD, red for positive and green for negative.
• Wire hook probe design, makes piercing wire insulation easier, the hook can be locked out of the way when probing terminals.
• LCD meter draws minute currents making this tool safe around delicate electronic components. 
• With a range of 3-60V DC, this tool is suitable for motorcycle, car, mild hybrid and commercial vehicles.
• Supplied with 3m coiled cable and insulated crocodile earth clamp.
• Do not use on airbags.
• Battery 1 x CR2032 (supplied) .
• Model No. AK4013
• IDENTIFIES THE POLARITY OF THE CIRCUIT – That is being tested on the LCD, red for positive and green for negative.
• WIRE HOOK PROBE DESIGN – Makes piercing wire insulation easier, the hook can be locked out of the way when probing terminals.
• LCD METER DRAWS MINUTE CURRENTS - Making this tool safe around delicate electronic components. 
• 3-60V DC RANGE - This tool is suitable for motorcycles, cars, mild hybrid and commercial vehicles.
• 3M COILED CABLE – This is insulated via a crocodile earth clamp.
• DO NOT USE - On airbags.
• BATTERY - 1 x CR2032 (supplied) .

Integrated Test Light/Voltmeter 3-60V

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