testers  (2,248 offers of 5,344,106 product items)

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

Features 300psi gauge with large rubber bumper. Includes extension for deep seated plugs and flexible extension hose. Suitable for petrol engines with 10, 12, 14 and 18mm spark plug threads. Suppli...

Diesel engine glow plug compression test adaptor kit that cover a wide range of modern vehicles. For use in conjunction with Sealey Diesel Compression Gauge, Hose & TDC Base Kit (Model No. VSE3157)...

Diesel engine glow plug compression test adaptor kit that cover a wide range of modern vehicles. For use in conjunction with Sealey Diesel Compression Gauge, Hose & TDC Base Kit (Model No. VSE3157)...

Diesel engine glow plug compression test adaptor kit that cover a wide range of modern vehicles. For use in conjunction with Sealey Diesel Compression Gauge, Hose & TDC Base Kit (Model No. VSE3157)...

Diesel engine compression gauge, which reads up to 600psi. Used in conjunction with Sealey glow plug adaptor kits (Model No's VSE3151, VSE3152, VSE3153). Features TDC finder which connects onto glo...

Professional diagnosis of battery and alternator faults. Test battery condition with as little as 1V of residual charge. No heat, no sparks and no misdiagnosis. Checks condition of starter - no com...

Fast and accurate diagnosis of battery and alternator faults with facility to print the results. Large LCD display shows charging and starting system status and returns decision making information ...

Fast and accurate assessment of battery condition, even with the battery partially discharged. No heat, no sparks and no misdiagnosis. Tests battery in accordance with rated output based on SAE, DI...

Tests 6 and 12V batteries. Applies load across terminals and reads voltage performance. Also checks charging voltage. Fitted with moving-coil meter. Features a pistol grip handle for ease of use.

Ø60mm Gauge with heavy-duty rubber bumper, 400mm of hose and quick connector. Suitable for testing cars and light commercial vehicles with direct or indirect injection. Pressure relief valve allows...

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...

Professional diagnosis of battery and alternator faults with the added facility to print the results. Test battery condition with as little as 1V of residual charge. No heat, no sparks and no misdi...

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

A comprehensive kit for testing the compression on both diesel and petrol vehicles. Features 600psi gauge with large rubber bumper, straight and right angled quick connect fittings and an extensive...