132
6.2.3ECSensorPerformanceData,DEKRAEXAMveried(seeSection6.3)
Gas Cartridge P/N
Selectable Full
Scale Range (Dis-
play and 4-20mA
Full Scale)
Default
Range
Range
Incre-
ments
Lower
Alarm
Limit
Lower
Detection
Limit
Zero
Variation
Selectable
Cal Gas
Range
Default Cal
Point
Response
Time (T50)
(sec)
T90 Response
T10 Recovery
Time (sec)
Accuracy
1
Operating Temperature Operating Humidity
Min Max Min Max
O
2
Oxygen XNXXSO1SS n/a 25.0%Vol n/a 5.0%Vol 3.5%Vol n/a
20.9%Vol
(fixed)
20.9%Vol T20<10 <30 <+/-0.6%Vol -30°C/-34°F 55°C/131°F 15%RH 90%RH
H
2
S
Hydrogen
Sulfide
XNXXSH1SS 10.0to50.0ppm 15.0ppm 0.1ppm 3.0ppm 1.0ppm 2.0ppm
30to70%
ofthe
selectedfull
scalerange
10ppm <20 <30 <+/-0.3ppm -40°C/-40°F 55°C/131°F 15%RH 90%RH
H
2
S(High)
Hydrogen
Sulfide
XNXXSH2SS 50to500ppm 100ppm 10ppm 5ppm 1ppm 2ppm 50ppm <20 <30 <+/-5ppm -40°C/-40°F 55°C/131°F 15%RH 90%RH
CO
Carbon
Monoxide
XNXXSC1SS 100to500ppm 300ppm 100ppm 15ppm 5ppm 10ppm 100ppm <15 <30 <+/-2ppm -40°C/-40°F 55°C/131°F 15%RH 90%RH
FOOTNOTE:
1�AccuracyofreadingatdefaultAlarm1concentration(typically10%FSordefinedminimumalarmlevelsetting,whicheverisgreater)whenoperatedatdefaultfullscale�
NOTES:
• SensordriftbetweenLDLandnegativedriftfaultlimits(typcially>negativezerovariation)appearas0onthedisplayandoutputsofthedevice�
• Long-termdrift:XNXXSC1SS<5%/year,XNXXSO1SS<4%/year,XNXXSH1SSandXNXXSH2SS<2%/month�
• Performanceguresaremeasuredbytestunitscalibratedat50%offullscale,atambientconditionsof20°C,50%RH,withtheECweatherproofcoverattached�
• OperatingtheXNXECsensoratextendedtemperaturerangesforaprolongedtimeperiodexceeding12hoursmaycausedeteriorationinsensorperformanceandshorten
sensorlife�ExtendedtemperaturerangesforXNXECsensorcartridgesare-40°Cto-20°C�
• BarometricpressureeffectsontheO
2
sensor:TheoutputfromtheO
2
sensorhaspressureeffectsof<0�1%changeofoutputper%changeinpressure�Whenthebarometric
pressurechangesby±20%,theoutputfromtheO
2
sensorchanges<±0�4%Vol�However,theoxygensensorshowstransientbehaviorwhensubjectedtoarapidchangein
ambientpressureduetoeitherweatheroraltitude�Forexample,a10KPainstantaneouspositivepressurestepchangemaycauseanoverscalealarmconditionforaperiod
ofabout12seconds�
• Responsetimesmayincreaseatlowertemperatures�
• ContactHoneywellAnalyticsforanyadditionaldataordetails�