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Operating Instructions Teledyne API – T101 Operation Manual
72
NOTE
On analyzers with the multigas option activated (see Section s 4.5.1 and 6.8) the concentration value will
switch back and forth between from “H2S=XXX.X” to “SO2=XXX.X” depending on which gas is currently
being measured.
Also, The analyzer will switch between the HIGH and LOW analog reporting ranges
whenever the concentration level of the gas being currently measured fulfills the trigger
criteria listed at the beginning of this section.
4.4.4.7. Range Units
The T101 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
, UG) or
milligrams per cubic meter (mg/m
3
, MG). Changing units affects all of the display,
analog outputs, COM port and DAS 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 = 500.0 PPB H2S =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.
NOTE
Concentrations displayed in mg/m
3
and µg/m
3
use standard temperature and pressure
(STP). The conversion factors from volumetric to mass units used in the T101 are:
SO
2
: ppb x 2.86 = µg/m
3
; ppm x 2.86 = mg/m
3
H
2
S: ppb x 1.52 = µg/m
3
; ppm x 1.52 = mg/m
3
07266B DCN6485