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Teledyne API M100E Analyzer Operation Manual Operating Instructions
91
6.7.7. RANGE UNITS
The M100E can display concentrations in parts per billion (10
9
mols per mol, PPB), parts per million (10
6
mols
per mol, PPM), micrograms per cubic meter (µg/m
3
, UGM) or milligrams per cubic meter (mg/m
3
, MGM).
Changing units affects all of the display, analog outputs, COM port and iDAS values for all reporting ranges
regardless of the analyzer’s range mode.
To change the concentration units:
SETUP X.X CONC UNITS: PPM
PPM PPB UGM MGM ENTER EXIT
SAMPLE RANGE = 500.000 PPB SO2 =XXX.X
< TST TST > CAL SETUP
SETUP X.X
PRIMARY SETUP MENU
CFG DAS RNGE PASS CLK MORE EXIT
SETUP X.X RANGE CONTROL MENU
MODE
SET UNIT EXIT
SETUP X.X CONC UNITS: PPB
PPM PPB UGM MGM ENTER EXIT
SAMPLE ENTER SETUP PASS : 818
8 1 8 ENTR EXIT
Select the preferred
concentration unit.
EXIT returns
to the main menu.
ENTR accepts
the new unit,
EXIT returns
to the SETUP
menu.
Figure 6-14: SETUP RNGE – Concentration Units Selection
NOTE
Concentrations displayed in mg/m
3
and µg/m
3
use 0°C and 760 Torr as standard temperature and
pressure (STP). Consult your local regulations for the STP used by your agency. Here are the conversion
factors from volumetric to mass units used in the M100E:
SO
2
:
ppb x 1.34 = µg/m
3
;
ppm x 1.34 = mg/m
3
04515F DCN6048