We have all had difficulty testing diodes in-circuit. Most DMM’s have a diode Vf function that measures forward drop, but what is the normal voltage drop? Analog VOM’s attempt to measure resistance of ...
Fluke Corp. has introduced a new, easy-to-use utility multimeter designed to help utility workers, linemen and electricians, to quickly diagnose electrical problems. The Fluke 113 Utility Multimeter ...
Testing for failure with a multimeter is only partially effective, whereas a dedicated optocoupler testing circuit provides clear results in just seconds. For related tutorials and step-by-step build ...