73
INZ-TN3ZRE-E
O
2
correction:
Correction of measured NO, SO
2
and CO
gas concentrations into values at refer-
ence O
2
concentration
Correction
formula:
C = × Cs
C : Sample gas concentration after O
2
correction
C
S
-EASUREDCONCENTRATIONOFSAMPLE
gas
O
S
-EASURED /
2
concentration (Limit
SETTINGTO/
2
)
O
n
: Reference O
2
concentration
VALUE CHANGEABLE BY SETTING TO
/
2
)
Average value after O
2
correction and O
2
average value
calculation:
The result of O
2
correction or instanta-
neous O
2
value can be outputted as an
average value in the preset period of time.
5SEDFORAVERAGINGISTHEMOVINGAVERAGE
method in which sampling is carried out
ATINTERVALSOFSECONDS
/UTPUTISUPDATEDEVERYSECONDS)T
is the average value in the determined
period of time just before the latest
updating.)
!VERAGINGTIMEISSETTABLEWITHINTO
MINUTESININCREMENTSOFMINUTE OR
TOHOURSININCREMENTSOFHOUR
Average value resetting:
The above-mentioned output of average
value is started from the initial state
by opening the average value resetting
INPUTTERMINALSAFTERINPUTVOLTAGEFOR
seconds or longer.
Output is reset by input voltage and
restarted by opening
Communication function:
23PINS$SUB OR53"4YPE"
Half-duplex bit serial
Start-stop
synchronization
-ODBUS4-PROTOCOL
#ONTENTS 2EAD7RITEPARAMETERS
Read measurement concen-
tration and instrument status
Remark
:
When connecting via RS-
#INTERFACEAN23#
l
23CONVERTERSHOULD
be used.
Performance
Repeatability:
¢OFFULLSCALE
Linearity:
¢OFFULLSCALE
Zero drift:
¢OFFULLSCALEWEEK
)NTHECASEOFAUTOZEROCALIBRATIONUSE
FORPPMORLESSRANGE
Span drift:
¢OFFULLSCALEWEEK
Response time (for 90% FS response) :
TOSECELECTRICALRESPONSE
7ITHINSECONDSINCLUDINGREPLACEMENT
IMEOFSAMPLINGGASWHENGASmOWRATE
IS,MIN
Gas replacement time depends on the
number of measuring components,and
measuring range.
Interference from other gases:
Interference
component
CO
2
analyzer
SO
2
analyzer
CH
4
analyzer
CO
analyzer
CO
1000ppm
CO
2
15%
H
2
O
saturation
at 20°C
H
2
O
saturation
at 2°C
CH
4
1000ppm
––
––
––
––
––
––
d
1%FS
d
1%FS
d
1%FS
for 500ppm
analyzer,
d
2.5%FS
d
2.5%FS
for 200ppm
analyzer
d
2%FS
d
1%FS
d
1%FS
for 200ppm
analyzer,
d
2.5%FS
d
1%FS
d
1%FS
d
1%FS
d
1%FS
NO
analyzer
––
––
d
2%FS
d
1%FS
d
1%FS
d
50ppm
d
1%FS
d
1%FS
Standard Requirements for Sample Gas
Flow rate:
,MIN¢,MIN
Temperature:
TO#
Pressure:
K0AORLESS'ASOUTLETSIDESHOULDBE
open to the atmospheric air.)
Dust:
«G.M
ORLESSINPARTICLESIZEOF
«MORLESS
Mist:
5NALLOWABLE
Moisture:
Below a level where saturation occurs at
room temperature (condensation unal-
lowable).
Below the level where saturation occurs
AT#FOR#/MEASUREMENTINTO
ppm range, NO measurement, and SO
2
measurement.
Corrosive component:
PPMORLESS
Standard gas for calibration:
Zero gas ; Dry N
2
Span gas ; Each sample gas having
CONCENTRATIONTOOF
its measuring range (recom-
mended).
)NCASEAZIRCONIA/
2
analyzer is installed
externally and calibration is carried out on
the same calibration gas line:
Zero gas ; Dry air or atmospheric air
Span gas ; For other than O
2
measure-
ment, each sample gas
HAVING CONCENTRATION TO
OFITSMEASURINGRANGE
For
O
2
measurement, O
2
gas
OFTOVOLREMAINS.
2
gas
/N
/S
