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Electrics

Workshop electrical diagnostics — multimeters, clamp meters, test leads, and insulation testers for automotive circuits. From basic voltage checks to hybrid high-voltage work, these meters handle DC cranking loads, parasitic draws, sensor signals, and live-circuit measurements without breaking the connection. Sealey's automotive range includes auto-ranging models, inductive couplers for ignition timing, and infrared probes for tracking thermal faults.

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Showing 1–48 of 174 results

Pick a meter by what you're actually measuring. Six-function units cover voltage, resistance, continuity — fine for battery state, alternator output, basic sensor checks. Add current measurement (clamp or in-line) if you're tracing parasitic drain or checking charging current without disconnecting the battery terminal. Clamp jaw size matters: 12 mm fits into tight engine bays, 28 mm reaches over heavy battery cables. AC/DC ranges suit both mains workshop kit and vehicle systems.

Automotive multimeters with inductive couplers let you measure ignition timing and dwell angle by clamping onto a plug lead — no piercing insulation. Models with infrared temperature probes find hotspots on relays, fuses, and wiring before insulation melts. For hybrid or electric vehicle work, look for insulation testers rated to handle high-voltage battery packs; standard multimeters aren't built for those voltages and you'll wreck the meter or worse.

Auto-ranging saves time when fault-finding across different circuits — the meter picks the scale, you read the number. Manual-range meters are cheaper and still accurate, but you'll be turning the dial more often. Check the lead set: spring-loaded crocodile clips hold onto battery posts and earth points while you're hands-free; piercing probes get into sealed connector backs. Rubber holsters and drop ratings help if you're working off a creeper or balancing the meter on an engine cover.