testers  (2,250 offers of 5,344,882 product items)

Traditional style drop tester for all 12V automotive batteries. Applies load across cells and measures output on meter. Accurate indication of battery voltage, faulty cell and short circuited cell....

American-style drop tester. Polarity protected cables - impossible to damage unit by incorrect connection. Load applied by internal switchgear - no sparking! Suitable for 6 and 12V batteries. Appli...

Large easy-to-read gauge with Metric and Imperial readings. Side release valve and 12” flexible hose for easy reach. Pressure range 0-300psi/0-2000kpa. Screw-in 14 and 18mm adaptors and 150mm rigid...

A range of functions allow automotive electricians and mechanics the ability to effectively diagnose short circuits and bad earths. The 4.6m lead connects to a 12V battery supply and reaches to all...

Time-saving tool ideal for the automotive electrician and mechanic. Connects to the vehicle’s own battery and reaches all corners of the vehicle with 5m cable. Checks for short circuits and bad ear...

Set of 1.35m automotive test leads with Ø4mm banana style connectors. Used for testing and diagnosing faults in electronic circuits. Suitable for use with most multimeters and analysers.Model NoTAT...

MOT Approved for use in testing stations on vehicle classes 4, 5 and 7. Quick and simple test of 12V 13-pin Euro-type sockets fitted to the rear of the vehicle. Supplied with 4.9m cable to enable t...

Accurately measures the strength of battery fluid, screenwash and antifreeze by measuring the refractive index of light passing through the mixture. Suitable for synthetic antifreeze mixtures inclu...

Designed to measure return fuel flow on diesel vehicles up to six cylinders fitted with common rail injection system. Identifies worn, blocked or inoperative injectors quickly and easily. Supplied ...

Tests HT supply to spark plug. Suitable for spark ignition engines. Quick and simple fault diagnosis.Model NoVS526Lead Length:100mmNett Weight:0.07KgProbe Length:55mm

Set allows single or multiple testing. Simply fit tester between spark plug and HT lead and then run engine. Regular flashing of the testers indicates a good HT supply. Not suitable for engines wit...

VDE Approved mains voltage tester with screwdriver blade and pocket clip. Fully insulated with moulded transparent plastic handle and blade sheath.Model NoAK1990Length:140mmNett Weight:0.02KgTestin...

Compression tester fitted with Ø63mm gauge reading up to 300psi (20kg/cm²). Kit includes 130mm straight and angled push-on connectors, 300mm flexible extension with 10, 12, 14 and 18mm adaptors. Su...

Valved extension enables access to deep seated plugs. Features M14 thread and two thread adaptors M10 & M12 that allow compression testing on most modern engines.Model NoVS200/AApplication(s):Threa...

Tests ethylene glycol antifreeze mixtures. Features a temperature compensation rotor that automatically adjusts the reading regardless of the coolant temperature. Freeze protection level is indicat...