Operation
Range Menu
3-16 Model 42i Low Source Instruction Manual Thermo Electron Corporation
Table 3-6. Extended Ranges
C1, C2, and C3 are custom ranges. For more information about custom
ranges, see “Set Custom Ranges” below.
Set Custom Ranges The Set Custom Ranges menu lists three custom ranges: C1, C2, and C3.
Custom ranges are user-defined ranges. In the standard range mode, any
value between 200 ppb (0.2 ppm) and 100,000 ppb (100 ppm) can be
specified as a range. In the µg/m
3
(mg/m
3
) mode, any value between 500
µg/m
3
(0.5 mg/m
3
) and 150,000 µg/m
3
(150 mg/m
3
) can be specified as a
range. In the extended range mode, any value between 1,000 ppb (1.0 ppm)
and 500,000 ppb (500 ppm) can be specified as a range. In the
µg/m
3
(mg/m
3
) mode, any value between 2,000 µg/m
3
(2.0 mg/m
3
) and
750,000 µg/m
3
(750 mg/m
3
) can be specified as a range.
• In the Main Menu, choose Range > Set Custom Ranges.
ppb ppm µg/m
3
mg/m
3
1,000 1.0 2,000 2.0
2,000 2.0 5,000 5.0
5,000 5.0 10,000 10.0
10,000 10.0 20,000 20.0
20,000 20.0 50,000 50.0
50,000 50.0 100,000 100
100,000 100 200,000 200
200,000 200 500,000 500
500,000 500 750,000 750
C1 C1 C1 C1
C2 C2 C2 C2
C3 C3 C3 C3
CUSTOM RANGES:
>CUSTOM RANGE 1 255.6
CUSTOM RANGE 2 275.0
CUSTOM RANGE 3 1125.0
RANGE AVG DIAGS ALARM
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