Land 4500 MKII Premier, Operation And Maintenance Manual

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Model 4500 Premier Dust and Opacity Monitor
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PARAMETERS
SO*
C4-6 Parameter Screens
PARAMETERS
This menu contains the Model 4500 Premier internal parameters and is
used as a general software dump with updated readings. It is not normally
intended for customer use, but may be useful for diagnosing particular
problems.
On selection of ‘Parameters’ on the menu spine press the
‘
ENTER' (
↵ ↵↵
↵↵
)
key. Press the
↑
or
↓
keys to scroll through the parameters available for
viewing, as detailed below.
So ...................... Signal detector offset
Sf ....................... Signal detector flood value
Sm ..................... Signal detector measurement
Ro ...................... Reference detector offset
Rf....................... Reference detector flood value
Rm ..................... Reference detector measurement
C ........................ Dust concentration
X ........................ Calibration constant
B ........................ Balance correction
G ....................... Gain correction factor
Q ....................... Uncorrected transmission factor
Dust Gain .......... Constant relating Optical Density to Dust Density.
Dust Offset ........ Optical Density v Dust Density zero offset (usually zero)
Zero Damper ..... Low pass digital filter applied to zero reading
Flood Damper ... Low pass digital filter applied to flood LED
Cal Damper ....... Low pass digital filter applied to calibration
OP 1 Damper .... Low pass digital filter applied to output 1
OP 2 Damper .... Low pass digital filter applied to output 2
PLCF ................. Path Length Correction Factor
OPLR ................ Optical Path Length Ratio (0.5 x PLCF)
Last Cal. ............ Data stored from the latest calibration
Zero Comp. ....... Opacity compensation due to dust build on the lens
Isokinetic O.D. ... Optical Density Calculated Isometrically
Version x.xx ....... Identification of software version used