® 2014 General Electric Company. All rights reserved. Masoneilan 12400 Series Transmitter/Controller Instruction Manual | 35
f. HIGH LEVEL REFERENCE [SPAN]
f1. Liquid application:
Press the flexure (59) against the adjusting screw shoulder (114) which corresponds to the high level (on displacer
side). While maintaining contact and using a 3 mm hex wrench, turn the adjusting screw until LCD displays the value
of process specific gravity [SG CALIB].
f2. Interface application:
Press the flexure (59) against the adjusting screw shoulder (114) which corresponds to the highest specific gravity
[HSG CALIB]. While maintaining contact and using a 3 mm hex wrench, turn the adjusting screw until LCD displays
this specific gravity.
g. Slowly move the flexure (59) from one shoulder (114) to the other (slowly to avoid displacer oscillations) and verify the value
displayed. Correct adjustments if necessary.
h. Reinstall all plugs (107), (190), and (115).
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