Land 4500 MKII Premier, Руководство по эксплуатации и обслуживанию

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Model 4500 Premier Dust and Opacity Monitor
115
Alignment of Instrument (Align)
On selection press the
‘
ENTER' (
↵ ↵↵ ↵↵
) key to display the alignment value.
Align the instrument along its optical axis (see Using The Instrument for
the First Time section) to display the maximum value. The alignment
value is very useful when bright sunlight makes the alignment target may
be visible. Press the
‘
ENTER' (
↵ ↵↵ ↵↵
) key to return to the ‘Align’ display, it is
now possible to scroll through the ‘Miscellaneous sub-menu’ by pressing
the
↑ ↓
keys.
Display Units (Display)
On selection press the
‘
ENTER' (
↵ ↵↵ ↵↵
) key (notice the underlined
character). The opacity units may be selected between a percentage or
a numerical value. Press the
←
or
→
key to select the required units
then press the
‘
ENTER' (
↵ ↵↵ ↵↵
) key to set the option (notice no underlined
character). It is now possible to scroll through the ‘Miscellaneous sub-
menu’ by pressing the
↑ ↓
keys.
Signal Output Range (O/P 1 range)
On selection press the
‘
ENTER' (
↵ ↵↵ ↵↵
) key (notice the underlined
character). Signal outputs may be set to one of three options 4-20, 2-20
and 0-20 mA. Press the
↑
or
↓
key to select the required units then
press the
‘
ENTER' (
↵ ↵↵
↵↵
) key to set the option (notice no underlined
character). It is now possible to scroll through the ‘Miscellaneous sub-
menu’ by pressing the
↑ ↓
keys.
Signal Output Range (O/P 2 range)
On selection press the
‘
ENTER' (
↵ ↵↵
↵↵
) key (notice the underlined
character). Signal outputs may be set to one of three options 4-20, 2-20
and 0-20 mA. Press the
↑
or
↓
key to select the required units then
press the
‘
ENTER' (
↵ ↵↵
↵↵
) key to set the option (notice no underlined
character). It is now possible to scroll through the ‘Miscellaneous sub-
menu’ by pressing the
↑ ↓
keys.
Dust Gain
On selection press the
‘
ENTER' (
↵ ↵↵
↵↵
) key (notice the underlined
character). The Dust Gain is automatically set from a single isokinetic
sample or input manually with the figure obtained from a graph of
multiple isokinetic samples. (
See calculating the Dust Gain). Press the
↑
or
↓
key to select the required value then press the
‘
ENTER' (
↵ ↵↵
↵↵
) key to
set the option (notice no underlined character). It is now possible to
scroll through the ‘Miscellaneous sub-menu’ by pressing the
↑ ↓
keys.
Opac. Display: %
O/P1 range: 4-20
O/P2 range: 4-20
Dust Gain: x
Signal: xxx.x