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Programming the Inputs
The controller may accept the value and show the
Sensor Calibrated screen.
If the value entered is too far from what the
controller has calculated as valid, based on the input
signal, a fault message will be displayed. Then you
will be given 3 choices on how to proceed.
Press F1 to
-ibrate the sensor [try again,
RE_CAL
maybe you forgot to put the sensor in the buffer?...].
Press F2 to
the fault and keep the current
IGNORE
calibration even though it is not generally advisable.
The controller will perform the math to make the
display match your entry. The ability to track
changes may be marginal or not possible if the
sensor is faulty.
Press F3,
to cancel this calibration and return
RESET
to the previously saved calibration.
9.7 Calibrating an Amperometric Sensor
1- Press the CAL key
2- Scroll down to the sensor you wish to
calibrate. Press OK
3- Get a sample and run a DPD test. Use the
timer on the screen. Press F1 DPD to start
the clock.
4- When the timer reaches the limit for your
test, read the test value and enter it here
using the arrows. Press F1 to SAVE the
change.
5- Use the MORE button to reset the input to
factory default.
6- The controller should accept the value and
show the Sensor Calibrated screen.
7- If the value you enter is too far from what the
controller has calculated as valid based on
the input signal, a sensor fault message will
be displayed.
If there is a Sensor fault:
Press either F1, RE-CAL to repeat the sensor
calibration.
Or press F2 to ignore the fault and keep the current
calibration even though it is not generally advisable.
The controller will perform the math to make the
display match your entry. The ability to track
chemistry changes may be marginal or not possible
if the sensor is faulty.
Or press F3, RESET to cancel this calibration and
return to the previous calibration.
Page 54 of 102
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