Ametek Land 4200, Руководство пользователя

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User Guide Model 4200 Dust & Opacity Monitor
e.g. Worked example - For a particular process four isokinetic samples were
taken.
Sample number
Dust Value mg.m
-3
Isokinetic Dust
Measured by 4200 Measurement
1 80 101
2 62 65
3 147 190
4 165 196
Fig. 10-3
Dust Gradient (sample from graph, shown with dotted lines): 150/125 = 1.20
Dust Gain Factor = Gradient * 0.1
= 1.20 * 0.1
= 0.120
10.5.4 Input new Dust Gain Factor
Set the Dust Gain. Step through the selections using the Mode key until 'F' is
displayed in the left hand side of the display. Use F2 or F3 keys to set the New
Dust Gain factor to the new calculated value. Press F1 and hold key until display
flashes on & off to save change.
10.5.5 Reset Output Range
Reset the range value to the desired operating range as required. The instrument
is now calibrated for Dust measurements.