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Testforce USATektronix 8620
USD$100.00
General Purpose 4-Wire DMM Shorting Plug
The Keithley Instruments Model 8620 general purpose 4-wire DMM shorting plug provides a convenient
method of shorting 2-wire and 4-wire digital multimeter (DMM) inputs together.
The Model 8620 consists of four gold-plated banana plugs mounted to a clear acrylic cube, and a gold-plated printed circuit board (PCB) assembly. This enables easy checking of DMM offsets for the purposes of instrument verification or offset cancellation during basic testing. The resistance between HI and LO pins is very low (<1 mΩ) due to gold-plated pin and PCB construction. However, the absolute resistances of 2- or 4-wire configurations as well as thermal voltage offsets are not specified, and metrology traceable applications are not recommended.
Use
The Model 6820 should be inserted into the input banana jacks of the DMM by carefully aligning DMM HI and
LO inputs with the labeled plug pairs on the Model 8620 (normally HI up and LO down). While all four pins are
shorted to each other, the heaviest traces run between HI and LO pairs, whereas the center point trace is
smaller.
SKU
tek-8620
Manufacturer
Tektronix
Model
8620
Interface
1