Martel Electronics LC100 User Manual
Page 10

A. Milliamp Source
Figure 3 shows a typical application where the
LC100 is sourcing 4 to 20 mA into a device
under test.
Figure 3 - Sourcing 4 to 20 mA
1) Turn on the LC100. It will default to the mA
source mode.
2) Connect the device to be calibrated.
Warning: The loop must be closed for the
LC100 to source current. If an open loop occurs
“OL” will flash on the LCD indicating an
overload or open condition.
3) The output can be adjusted to the desired
value by using the knob interface and select-
ing the decade to be adjusted.
4) The output can also be stepped in 4 mA
steps (25%) using the
key.
25%
8
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