Probes & Circuit Testers (39 items)

Expert Quality, tester with solid brass body housing a test light. Insulation piercing contact point with protective screw cap. Testing range 6 - 24V DC Supplied with 650mm of insulated cable with ...

Circuit tester with 1.5m of heavy duty cable and earth (crocodile) clip. Insulated contact point to prevent accidental shorting. Testing range 6-24V DC. Display packed.

Simple to use battery and alternator analyser. Checks both the battery and alternator status. Fitted with a convenient magnetic strip on the reverse of the tester, allowing the user to attach the t...

Auto and manual ranging capable of voltage, current, resistance, diode and continuity testing. Fitted with a backlit LCD screen, DWELL, Tach, MAX, auto power off, continuity buzzer and data hold fe...

Expert Quality circuit tester with easy to read LCD digital display. Compatible with most vehicles including; cars, motorcycles, commercial vehicles, trailers, boats and agricultural machinery. Sui...

Expert Quality circuit tester kit, with easy to read LCD digital display. Compatible with most vehicles including; cars, motorcycles, commercial vehicles, trailers, boats and agricultural machinery...

Expert Quality, useful automotive diagnostic kit providing fast and accurate circuit testing and trouble shooting. Used in conjunction with multimeters or Oscilloscopes. Supplied in plastic storage...

Automotive circuit tester with 180mm long insulated blade. Fitted with a 3.6m (approx) recoil lead and heavy duty earth (crocodile) clip. Testing range 6 - 24V DC. Display packed.

Expert Quality, relay tester. Used to check 4 and 5 pin electro-mechanical relays. Operated by a 12V vehicle supply.

Insulated probe fitted with an SL3 slotted screwdriver tip, 750mm insulated cable and earth clip. Internal light glows if current is present. Suitable for use on 6,12 and 24V DC systems and compati...

Suitable for 6-24V DC circuits. Knurled brass body with test light. Probe tip is covered with protective brass screw cap. Tester illuminates when voltage is present. Supplied with cable and alligat...

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 componen...

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.Model NoAK402Nett Weight:0.11Kg

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 s...

Suitable for testing electrical circuits from 3 to 48V DC. Integral, spring loaded, pointed probe for testing through insulation. Twin LEDs indicate live circuit and polarity. Supplied with 0.9m ca...

Suitable for 6, 12, 24 and 48V DC circuits. LED array indicates polarity and voltage range. Supplied with 850mm cable and crocodile earth clamp.Model NoAK407Nett Weight:0.03Kg

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. T...

Checks continuity of blade-type automotive fuses, in or out of fuse holder. Green LED indicates fuse is OK. Also simplifies the removal of faulty fuses.

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 ...

Micro fuse holder for quick and easy installation of an accessory circuit. Simply remove an existing fuse and insert the fuse holder. Contains two fuse slots, one for the vehicles existing fuse and...