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Keithley 2450 User Manual

Keithley 2450
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Section
4: Source-measure considerations Model 2450 Interactive SourceMeter® Instrument
Reference Manual
4-2 2450-901-01 Rev. B/September 2013
The current source does not use the sense leads to enhance current source accuracy. However, if
the instrument is in 4-wire sense, the instrument may reach limit levels if you disconnect the sense
leads. When 4-wire sense is selected, you must connect the sense leads. If the sense leads are not
connected, incorrect operation will result.
If you are sourcing and measuring the same function (for example, sourcing current and measuring
current), the measurement range is the same as the source range. This feature is valuable if you are
operating when the source limit has been exceeded. When the source limit has been exceeded, the
programmed source value is not reached. Thus, measuring the source lets you measure the actual
output level. You can also use the source readback function to measure the source. See
Source
readback (on page 2-110) for information.
You can set overvoltage protection if there is potential for disconnection of the sense leads. For more
information on overvoltage protection, see Overvoltage protection (on page 2-98
).
Figure 107: Source current configuration

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Keithley 2450 Specifications

General IconGeneral
BrandKeithley
Model2450
CategoryTest Equipment
LanguageEnglish

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