The meters that can be used in this application are the DMS-20PC-0, DMS- 20LCD-0, DMS-30PC-0 and the DMS-30LCD-0. The “0” suffix on all these part numbers indicates that these meters have an input ...
Our last article covered voltage troubleshooting in series with power-consuming devices (motors) [“Electrical Troubleshooting,” March 5, p. 16]. The article differentiated between an open and a closed ...
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 ...
Keithley Instruments, Inc. has published its seventh edition of the Low Level Measurements Handbook: Precision DC Current, Voltage, and Resistance Measurements. This 250-page paperback reference, ...