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What types of voltage can Hanmatek digital voltage testers detect?
Our testers cover AC 12V–1000V and DC 12V–1000V (model-dependent). Most models offer dual-range detection (low 12–48V for control circuits and high 70–1000V for mains) with clear LED and voltage value display.
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Are these testers safe for CAT III/CAT IV environments?
Yes. All professional models are rated CAT III 1000V / CAT IV 600V, feature double-insulated housing, and include overload protection. They are fully certified with CE, RoHS, and meet IEC61010 safety standards.
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What extra functions do the testers have besides voltage detection?
Depending on the model: Non-contact voltage (NCV) mode with adjustable sensitivity Live/Neutral wire identification Continuity test with audible & visual alert Phase sequence detection (3-phase models) Built-in bright LED flashlight Auto power-off and low-battery indicator Self-test function on startup
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What warranty do you provide?
Every Hanmatek digital voltage tester comes with a 2-year warranty and lifetime technical support. The package includes the tester, user manual (English/Chinese), and spare batteries (when required).