2: General operation Series 2600B System SourceMeter® Instrument
2-64 2600BS-901-01 Rev. B / May 2013
Safety shielding and hazardous voltages
Model 2601B/2602B/2604B: The maximum output voltage for a Model 2601B/2602B/2604B channel
is 40 V, which is considered a nonhazardous level. However, using two Model 2601B/2602B/2604B
voltage sources in a series configuration or floating a SMU can cause test circuit voltage to exceed
42 V. For example, the source-measure units (SMUs) of two Model 2601B/2602B/2604B instruments
can be connected in series to apply 80 V to a device under test (DUT) (see the following figure). See
TSP advanced features (on page 6-53
) for information on using multiple System SourceMeter
®
instrument instruments.
Use #18 AWG wire or larger for connections to protective earth (safety ground) and chassis.
Figure 28: Safety shield for hazardous voltage combining two Model 2601B/2602B/2604B
channels
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