GREER COMPANY
Crane Systems
GREER COMPANY 1918 East Glenwood Place, Santa Ana, CA 92705 TEL: (714) 259-9702 FAX: (714) 259-7626
MicroGuard® RCI 510/400 CALIBRATION MANUAL PN W450189A 09/09/02
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GLOSSARY OF TERMS
ABORT
Interrupts and cancels data as it is being entered into the computer.
ALARM
A signal that warns or alerts ( a flashing light or loud noise).
AMPLIFIER
A device that takes an input and produces an output of greater
magnitude (as in the case of a pressure transducer where a signal in
the millivolt range is amplified up to ten volts).
AMPLIFIER GAIN
The factor used to express the level of amplification.
ANALOG
A mechanism in which data is represented by continuously variable
physical quantities.
ANGLE SENSOR
A device that measures the angle of a boom.
ANNULAR
Relating to, or forming a ring, e.g. the pressure around the rod of a
boom hoist cylinder.
ANNULAR GAIN
The factor used to modify the pressure signal from the rod side of the
boom hoist cylinder based on the difference in areas of the rod and
bore.
BACK-UP
Move data from the working area of memory to a microchip which is
stored elsewhere, e.g. in a service department.
BOOM DEFLECTION
The change of radius due to the bending of a boom under load.
BOOM MOMENT
The turning moment around the boom pivot caused by the moment of
the unladen boom.
BORE
The piston side of a boom hoist cylinder.
CALIBRATION
The adjustment of the graduation of sensors.
CAPACITY CHART
A table showing the rating of a crane.
CENTER OF GRAVITY
The point at which the entire weight of a body may be considered as
concentrated so that if supported at this point, the body would remain
in equilibrium in any position.
