Thermo 42i - Range Menu

Operation
Range Menu
3-8 Model 42i Low Source Instruction Manual Thermo Electron Corporation
Range Menu The Range menu allows the operator to select the gas units, NO-NO
2
-NO
x
ranges, and to set the custom ranges. The screens below show the range
menu in single range mode and dual/auto range modes. For more
information about the single, dual, and auto range modes, see “Single Range
Mode”, “Dual Range Mode”, and “Auto Range Mode” below.
• In the Main Menu, choose Range.
Single Range Mode In the single range mode, the NO, NO
2
, and NO
x
channels each have one
range, one averaging time, and one span coefficient.
By default, the three analog outputs are arranged on the rear panel
connector as shown in Figure 3-4. See Table 3-2 for channels and pin
connections. Single range mode may be selected from the
“Single/Dual/Auto Select” in the “Service Menu”, later in this chapter.
RANGE: RANGE:
>GAS UNITS PPB >GAS UNITS PPB
NO RANGE 200 HI NO RANGE 1000
NO2 RANGE 200 LO NO RANGE 200
NOx RANGE 200 HI NO2 RANGE 1000
SET CUSTOM RANGES LO NO2 RANGE 200
HI NOx RANGE 1000
LO NOx RANGE 200
ª
RANGE AVG DIAGS ALARM
RANGE AVG DIAGS ALARM
SET CUSTOM RANGES