HP 3438A - Current and Resistance Measurements

Section I11
Model 3438A
3-20. DC Current Measurements.
3-22. AC Current Measurements.
The current function is protected by a fuse of
250 V rating. To avoid damage to the
Multimeter, current sources having open
circuit voltages greater than 250
V (dc +peak
ac) must not be connected to the
A (amps)
input terminal.
The current function is protected by a fuse of
250
V rating. To avoid damage to the
Multimeter, current sources having open
circuit voltages greater than 250
V (dc +peak
ac)
must not be connected to the A (amps)
inpur rerminal.
3-21. Procedure: 3-23. Procedure:
a. Depress --- mA (dc milliamperes).
a. Depress
- mA (ac milliamperes).
b. Depress proper manual range (200pA to 2000 mA).
b. Depress proper manual range (200p to 2000 mA).
c. Connect test leads from the Multimeter A and
c. Connect test leads from the Multimeter A and
COM terminals in series with the current under test as
COM terminals in series with the current under test as
shown in Figure
3-6. shown in Figure 3-7.
\
\
AC
34661 - 8 - 10
CURRENT
SOlRCE
Figure 3-7. AC Current Measurements.
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