
61
Adjustmentandstart-up
9.12.5 calibrating the redox- ("orp"-) sensor
Danger
risk of injury due to electrical voltage
▶
Observe all applicable accident protection and safety regulations for electrical equipment.
risk of injury due to the nature of the fluid.
▶
Respect the prevailing regulations on accident prevention and safety relating to the use of dangerous fluids.
See chpt. 9.9 to access the Calibration menu.
Before calibrating the sensor, choose the type of probe mounted on the device. Refer to chpt. 9.11.11.
Calib
Calibration
Calib. interval
Sensor
1st point
Cal.Result
Last cal. date
VALUE
INPUT
Interval
Probe
Probe constant
Offset:
INPUT
INPUT
Span:
CalibTemperat.
Auto
Constant
Temperature
INPUT
CALIB TEMPERAT.
: choose the type of temperature compensation for the calibration process: either the tem-
perature measured (select "Auto") or a fixed value (select "constant" then enter reference temperature).
→
Calibrate the sensor using one of the following methods:
-
CALIBRATION
: calibrate the Redox ("ORP") sensor in 1 point (see page 63). A calibration process
updates the last calibration date ("Last cal. date" function of the CALIB INTERVAL sub-menu hereafter).
-
PROBE CONSTANTS
: enter the offset and/or span values indicated on the Redox ("ORP") sensor cer-
tificate, if supplied. This input replaces a calibration made by the "Calibration" function above but does not
update the last calibration date ("Last cal. date" function of the CALIB INTERVAL sub-menu hereafter).
CALIB INTERVAL
: read the date of the last calibration (function "Last cal. date") and set the periodicity of cali-
brations, in days (function "Interval"): the device generates a "maintenance" event by displaying the icon and a
"warning" event, each time a calibration is due. Set function "Interval" to "0000 days" to ignore the function.
• The "warning" event may be associated with one or other or both transistor outputs. Refer to chpt. 9.11.10.
• See also chpt. "10.5 Solving a problem".
English
Type 8202 ELEMENT
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