Setup  Rnge: Range Units And Dilution Configuration; Range Units - Teledyne T200H User Manual

Nitrogen oxides analyzer
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Teledyne API - Model T200H/T200M Operation Manual
4.8. SETUP  RNGE: RANGE UNITS AND DILUTION
CONFIGURATION

4.8.1. RANGE UNITS

Select the preferred
concentration unit.
Note
07270D DCN7141
This Menu is used to set the units of measure to be associated with the analyzer's
reporting ranges (see Section 4.13.4.2 for more information on reporting ranges vs.
physical ranges) and for instruments with the sample gas dilution option operating, to set
the dilution ratio.
The T200H/M can display concentrations in parts per million (10
or milligrams per cubic meter (mg/m
COM port and DAS values for all reporting ranges regardless of the analyzer's range
mode. To change the concentration units:
SAMPLE
< TST TST > CAL
SETUP X.X
CFG DAS
SETUP X.
UNIT
DIL
SETUP X.X
PPM
MGM
SETUP X.X
PPM MGM
Conversion factors from volumetric to mass units used in the T200H/M:
NO: ppm x 1.34 = mg/m
NO
: ppm x 2.05 = mg/m
2
Concentrations displayed in mg/m
temperature and pressure (STP). Consult your local regulations for the STP used by
your agency. EPA protocol applications, for example, use 25° C as the reference
temperature. Changing the units may cause a bias in the measurements if standard
temperature and pressure other than 0°C and 760 Torr are used. This problem can be
avoided by recalibrating the analyzer after any change from a volumetric to a mass unit
or vice versa.
In order to avoid a reference temperature bias, the analyzer must be recalibrated
after every change in reporting units.
3
, MGM). Changing units affects all of the display,
A1:NXCNC1= 100.0 PPM
NOX=XXX.X
PRIMARY SETUP MENU
RNGE
PASS CLK MORE
RANGE CONTROL MENU
CONC UNITS: PPM
ENTER
CONC UNITS: MGM
ENTER EXIT
3
3
3
and µg/m
Operating Instructions
6
mols per mol, PPM)
SETUP
EXIT
EXIT returns
to the main
menu.
EXIT
EXIT
ENTR accepts
the new unit,
EXIT returns
to the SETUP
menu.
3
use 0° C and 760 Torr as standard
95

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