Quick Calibration - Ametek Drexelbrook Z-tron Level Control 502-302X Series Installation And Operating Instructions Manual

502-302 Series Z-tron
X
4.4 Quick
Calibration
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TM Level Control
Quick Calibration can be used for horizontally-mounted,
bare metal, Cote-Shield
is necessary to have the material level below the sensing
element.
Do not turn any adjustment past its mechanical
stops. Damage to the unit could occur.
•Use the insulated calibration tool (part number 290-1-1).
See Figure 4-1.
•LED lit (on) indicates that the relay is energized, or in
the normal condition (not alarm).

—Quick Calibration

a. For either HLFS or LLFS, begin with the sensing
element in air. See Figure 4-5.
Quick Calibration, Sensing Element in Air
b. With the calibration adjustment in the full counter-
clockwise (CCW) position, turn slowly clockwise until
the relay just operates--tune point in air. (LED will
light in HLFS, and turn off in LLFS.)
c. Note the position of the adjustment tool pointer and
turn the adjustment further CW the number of turns
indicated in Table 4-1, Calibration Chart.
15
Calibration
TM sensing elements. In all cases, it
WARNING
Figure 4-5