PART THREE - OPERATION
SECTION 4 - ANALYZER CALIBRATION
Model P33 pH/ORP Analyzer (panel-mount 1/4 DIN)
Rev. 6-1100
64
2.
Press
ENTER key
to display
.
3.
Press
Ø
Ø
key
once to display
.
4.
Press
ENTER key
to display
.
5.
Press
ENTER key
again to display
.
6.
Press
ENTER key
again to display a screen like
. The displayed value is “counts” --
not mA -- that dynamically change when the output is
adjusted.
7.
Use a calibrated digital multimeter to measure Output
1’s actual minimum value provided at Terminals 4 and 5
on the TB5.
8.
Use
arrow keys
to adjust Output 1’s minimum value to
read exactly “4.00 mA” on the digital multimeter -- not
the analyzer display, and press
ENTER key
to com-
plete calibration of the minimum endpoint value.
9.
After the
screen re-appears, press
Ø
Ø
key
once to display
.
10. Press
ENTER key
to display a screen like
. Once again, the displayed value
is “counts” -- not mA -- that dynamically change when
the output is adjusted.
11. Use a calibrated digital multimeter to measure Output
1’s actual maximum value.
12. Use
arrow keys
to adjust Output 1’s maximum value to
read exactly “20.00 mA” on the digital multimeter -- not
the analyzer display, and press
ENTER key
to com-
plete calibration of the maximum endpoint value.
This completes Output 1 calibration.