5322A
Operators Manual
32
Product Functions
This section describes use of the Product functions to calibrate testers and
meters. It is assumed the reader is already familiar with the Product controls,
connections, and indicators covered in Front-Panel Operation. See Safety
Information before doing reading this section.
Set the Low Resistance Source Output
The Low Resistance Source function can source resistance in the ranges listed
in Table 9 on its LOΩ output terminals. The maximum acceptable current is
dependent on the selected range and is also listed in Table 9. The maximum
applied voltage is 71Vpk (or dc). Exceeding these current and voltage limits
causes the Product to disconnect the output terminals and show an error
message.
Table 9. Low Resistance Ranges with Maximum Current Ratings
Resistance Range
Maximum Current
(ac or dc)
100.0 mΩ to 4.99 Ω 700 mA
5 Ω to 29.9 Ω 250 mA
30 Ω to 199.9 Ω 100 mA
200 Ω to 499 Ω 45 mA
500 Ω to 1.999 kΩ 25 mA
2.00 kΩ to 5.00 kΩ 10 mA
5.00 kΩ to 10.0 kΩ 5 mA
Output Selection
To set the low-resistance output:
1. Push .
There are selectable modes to the Low Resistance Source function,
Resistance 2-Wire, Resistance 4-Wire, 10 mΩ (single value), Short 2-Wire,
Short 4-Wire, Open, and Help. The Mode selected the last time the low-
resistance function was used is set.
The Short selection is used to short the Product output terminals for zero
point compensation of the DUT. The Product does not measure current in this
mode. Two-wire or four-wire configuration can be selected. The Open
selection causes the Product input impedance to go higher than 10 MΩ to
measure the maximum test voltage applied to the connectors. This measured
voltage is shown in the PARAMETERS area of the display as Test Voltage
and Maximum value. Pushing the Clear softkey clears this value from the
display during measurements. Calibrated 10 mΩ single value can be
selected.
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