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Boiler Fault Finder
Multi-Meters and Boiler Fault Finding

Safe use of Multimeter Functions

Safe use of multimeter functions: AC – (Alternate current) will show a wavy line with dots diagonally opposite or ACV. DC – (Direct current) will show a straight line with dots below or DCV. (measures a steady reading). Typical ranges for digital multimeters are: DC Voltage: 200mV, 20
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