LaMotte 2020 ClearTrace User Manual
Page 30
To calibrate the current for
the current output function
select “Calibrate” in the
Analog Output sub-menu
with the up/down arrows and
the ENTER key. This is a
maintenance function and is
only used when the expected
current at the 4 and 20
milliamp points needs to be
adjusted. To use the
function, remove all current loop
wiring and connect an ammeter to
the current output terminal
blocks.
To calibrate the 4 mA Point,
select the “4 mA Point”
display with the up/down
arrows and press ENTER.
Remove all wiring to the
analog output terminals and
connect a calibrated ammeter
to those terminals. Adjust
the displayed count value
with the up/down arrows until
the meter reads exactly 4.000
mA. Accept the displayed
value with the ENTER key.
Exit without changing by
using the ESC key.
To calibrate the 20 mA
Point, select the “20 mA
Point” display with the
up/down arrows and press
ENTER.
Remove all wiring to the
analog output terminals and
connect a calibrated ammeter
to those terminals. Adjust
the displayed count value
with the up/down arrows until
the meter reads exactly
20.000 mA. Accept the
displayed value with the
ENTER key. Exit without
changing using the ESC key.
29
Calibrate
20 mA Point
MENU
ESC
ENTER
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t
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Analog Output
Calibrte
MENU
ESC
ENTER
t
t
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Calibrate
4 mA Point
MENU
ESC
ENTER
t
t
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t
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Cal 4 mA Point?
(2467)
MENU
ESC
ENTER
t
t
t
t
Cal 20 mA Point?
(12440)
MENU
ESC
ENTER
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