PART THREE - OPERATION
SECTION 4 - TRANSMITTER CALIBRATION
PRO-series Model E3 Electrodeless Conductivity Transmitter
5
☞
4.2 ZERO Procedure
(first-time sensor
calibration only)
☞
In addition to zeroing and calibrating sensor span, the ana-
log output loop can also be calibrated. Refer to Section 4.6
for details.
Zeroing/Calibration Tip!
If a “CONFIRM FAILURE?” screen
appears during zeroing or calibration, press
ENTER key
to confirm. Then, use
×
×
or
Ø
Ø
key
to select between
“CAL: EXIT” or “CAL: REPEAT” and do one of the following:
•
With “(CAL: EXIT)” selected, press
ENTER key
. Then,
after the “CONFIRM ACTIVE?” screen appears, press
ENTER key
to return the analog output to its active
state (MEASURE screen appears).
•
With “(CAL: REPEAT)” selected, press
ENTER key
to
repeat zeroing or calibration.
Zero the sensor if it is being calibrated for the first time. If
not, disregard this subsection and proceed with calibrating
the sensor span (Section 4.3, 4.4 or 4.5).
NOTE:
When using a new sensor, always perform a
“RESET CALIBRATE” using the TEST/MAINT
menu (PART THREE, Section 5.8) before zeroing
and calibrating.
1.
Make sure that the sensor is dry before zeroing.
2.
Press
MENU key
to display a “MAIN MENU” screen.
If the
screen is not showing, use
Ø
Ø
or
×
×
key
to display it.
3.
Press
ENTER key
to display
.
4.
Press
ENTER key
again to display
,
, or
(displayed
screen depends on selected measurement).
5.
Press
Ø
Ø
key
twice to display
.
6.
Press
ENTER key
to display the “ZERO: IN DRY AIR?”
screen.
