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Adjustments
There are several operating adjustments that can be made to The Probe.
• Press the "4" and "20" keys simultaneously until the desired adjustment is obtained. A viewing
sequence of the stored value is automatically initiated.
• During this time, press either the "4" or "20" key to change the value. After viewing or changing,
operation automatically reverts to the Run mode (6 sec).
Calibration, Scrolling Method
The 4 and 20 mA calibration values can be selected where reference levels, either from the material
in the vessel or from a target, cannot be provided. This method can also be used to trim the output
levels obtained by the Reference Method (see page 4).
• To change the stored calibration value, obtain the `c 4' or `c 20' display.
• Press the "20" key to increase or the "4" key to decrease the calibration value.
• After scrolling to the desired value, stop pressing the key. The display automatically reverts to the
Run mode (6 sec).
4 mA calibration
20 mA calibration
7ML19981GD61
4 mA calibration, scrolling
20 mA calibration, scrolling
blanking
speed of response
4 mA calibration initiated
view stored 4 mA calibration value i.e. 4.50 m
press"20" to increase to new calibration value i.e. 4.60 m
new calibration value
20 mA calibration initiated
view stored 20 mA calibration value
i.e. 0.50 m
press "4" to decrease to new calibration
value i.e. 0.45 m
new calibration value
The Probe – INSTRUCTION MANUAL
alarm
fail-safe
fail-safe timer
units
Note:
For faster scrolling, hold the
key depressed during the
calibration adjustment and release
when desired value is obtained.
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