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5790B
Operators Manual
Connect an A40B
Use the Fluke A40B Current Shunts only with INPUT 1 via an N-type coaxial
cable or INPUT 2 via standard terminal plugs.
Fluke Calibration offers two cables with different terminations to accommodate
the various application needs.
•
•
To prevent measurement errors that could lead to personal
injury or equipment damage, do not use the AUX input with
A40B current shunts or custom shunts. Measurement errors
will be present due to the built-in 90 Ω AUX input resistor.
UHF
F
UHF
F
4-26
The A40B-LEAD/N (PN 3275938) is an N-type coaxial cable that connects
the shunt output voltage connector to INPUT 1.
The A40B-LEAD/4MM (PN 3275923) is a standard dual terminal plug that
connects the shunt output voltage connector to INPUT 2. For more
information on the connection types and frequently asked shunt questions,
see A40B Precision Current Shunts, Answers to Frequently Asked Questions
located on www.flukecal.com.
A40B
UHF
F
M
A40B
UHF
Voltage
F
M
Output
Figure 4-3. Measuring Absolute Current Using A40B
Warning
A40B-lead/N (PN 3275938)
A40B-lead/4MM (PN 3275923)
5790B
Type
N
INPUT 1
M
F
10 MΩ
INPUT2
hvi037.eps
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