Sensor Replacement
Sensor replacement must be done by qualified personnel. To replace the
sensor, shut down power to the unit. Un-thread the sensor-housing cap
from the sensor housing. There is a set screw that secures the cap to the
housing. Once the cap is removed, remove the old sensor and sensor board.
When installing the new sensor/sensor board make sure you line up the
notch in the board with the alignment pin. After the new sensor is in place,
screw the sensor cap back on to the housing and secure the set screw.
Once the new sensor is in place and has time to settle out, it should be
zeroed and calibrated for accuracy.
Zero and Calibration
Zeroing and calibrating the instrument can be accomplished one of two
ways. These routines can be entered either from the keypad or non-
intrusively using the magnetic wand. See Chapter 5 | Operation for step-by-
step procedures for zeroing and calibrating the using the magnetic
wand. Chapter 5 | also contains information on keypad zeroing and
calibration.
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