4. Laboratory Calibration and Tests
Laboratory Calibration is a basic adjustment procedure to ensure correct operation of the system.
Laboratory Calibration is carried out while the PS-220 enclosure is open, by adjusting the
potentiometers inside.
This procedure should be performed either as the next step after installation, when fast field
calibration cannot be performed, or when trouble is suspected in the system.
The system leaves the factory calibrated, but on-site adjustments may be required.
IMPORTANT!
REFER TO THE SENSOR USER GUIDE FOR SPECIFIC NOTES
RELATED TO FLOATATION AND CALIBRATION
CALIBRATION SHOULD BE DONE EITHER ON SITE (AFTER
INSTALLATION) OR IN A SIMULATING TUBE / TANK USING
SITE WATER AND SITE OIL.
IMPORTANT!
AFTER FINISHING PROCEDURES WITH OPEN ENCLOSURE,
PROPERLY CLOSE COVER AND FASTEN SECURELY WITH SCREWS
TO ATTAIN REQUIRED WATER / EXPLOSION PROTECTION!
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