Chapter 1 Definitions
Mini-Switch LB 471
Chapter 1. Definitions
The following parameters can be set to automatic or manual
mode: In the automatic mode the value is calculated using a for-
mula. Enter -1 to enable the automatic mode. The inverted C in
the top row indicates whether a parameter has been set to auto-
matic.
Case (7 TE) into which the evaluation unit LB 4710 is installed, so
it can be used in any 19“ rack
Value of counts relative to one second.
Count rate unit: counts per second.
In this mode, a value can be changed. Not every parameter can
be changed since some parameters are only used as display val-
ues. Editable Parameters can be set to the edit mode with the
"Enter" button. In the edit mode the cursor positioned over a digit
is flashing.
Level below monitoring height
Count rate with empty container
Operating unit with electronics. Parameters are set and the meas-
urement is calibrated on the EVU. Typically, the EVU is accommo-
dated in the switch room or in a wall housing on site.
All parameters have been preset by the manufacturer using
standard values. In most cases this simplifies calibration of the
instrument significantly. Despite factory setting, calibration always
has to be performed.
Some parameters can be set automatically or manually (see page
14). To set a parameter to manual, you have to enter a fixed val-
ue or a value >0.
Detector with digital communication
(FSK = Frequency Shift Keying)
FSK detectors are intelligent detectors with self-diagnosis. Infor-
mation to and from the evaluation unit is transferred via serial
data protocols.
All NaI and Super-Sens detectors are FSK detectors
Type designation: LB 54XX and LB 44XX. See also hardware man-
ual.
Level above the monitoring height.
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