Blog
Automotive Multimeter Safety: CAT Ratings and Test Leads
Treat the meter, leads, input jacks and measurement environment as one safety system.
How to Test an Alternator with a Multimeter
How to test an alternator with a multimeter: a UK step-by-step for charging voltage, load and ripple on 12V/24V systems, ruling out the battery before swapping parts.
How to Test a Car Battery with a Multimeter
How to test a car battery with a multimeter: a UK guide to resting voltage, cranking drop and overnight parasitic drain, with safe 10A settings and when to replace.
Automotive Digital Multimeter: The Ultimate UK Guide
The ultimate UK guide to the automotive digital multimeter: True RMS, manual range, 12 V / 24 V testing and CAT II 1000 V / CAT III 600 V, with the £57.29 UNI-T UT107+ as a worked example.
Vehicle Automotive Digital Multimeter: A UK Buyer's Guide
Vehicle automotive digital multimeter guide for UK classic and older-car owners: test wiring, earth straps and ignition, and why the £57.29 UT107+ suits them.
True RMS Automotive Digital Multimeter: A UK Buyer's Guide
True RMS automotive digital multimeter guide for UK garages: accurate readings on alternators and sensors, CAT II 1000 V / CAT III 600 V, and the £57.29 UNI-T UT107+.
Choosing Ranges on an Automotive Digital Multimeter: A UK Buyer's Guide
How automotive meters choose a measurement range, and how the UNI-T UT107+ uses the rotary switch for manual range on 12 V and 24 V work.