Honeywell XNX Technical Manual

XNX Universal Transmitter
Section 6 - Specications
134
FOOTNOTES (SEE TABLE ON PREVIOUS PAGE):
1�AccuracyofreadingatdefaultAlarm1concentration(typically10%FSordefinedminimumalarmlevelsetting,whichevergreater)whenoperatedatdefaultfullscale�
2�Systemconditioningmayberequiredtoachievestatedresults�ContactHoneywellAnalyticsfordetails�
3�Measuredusingcalibrationflowhousingatcalibrationflowrate(300-375ml/min)withdrygas�
NOTES (SEE TABLE ON PREVIOUS PAGE):
• Datatakenatambientconditionsof20°C,50%RH�
• Datarepresentstypicalvaluesoffreshlycalibratedsensorswithoutoptionalaccessoriesattached�
• Performanceguresaremeasuredbytestunitscalibratedat50%offullscale�
• StandardtemperaturerangeforXNXECSensorsis-20°Cto+55°C;ATEX,IECEx�
• ExtendedtemperaturerangesfortheXNXECSensorsare-40°Cto-20°C
• Accuracybetweenthetemperaturesof-40°Cand-20°Cis±30%attheappliedgasconcentration�
• OperatingtheXNXECSensorsatextendedtemperaturerangesforaprolongedtimeperiodexceeding12hoursmaycausedeteriorationinsensorperformanceandshorter
sensorlife�
• BarometricpressureeffectsontheO
2
sensor:TheoutputfromtheO
2
sensorhaspressureeffectsof<0�1%changeofoutputper%changeinpressure�Whenthebarometric
pressurechangesby±20%theoutputfromtheO
2
sensorchanges<±0�4%Vol�However,theoxygensensorshowstransientbehaviorwhensubjectedtoarapidchangein
ambientpressureduetoeitherweatheroraltitude�Forexample,a10KPainstantaneouspositivepressurestepchangemaycauseanoverscalealarmconditionforaperiod
ofabout12seconds�
• Recalibrationisrecommendedifthetemperatureoflocalenvironmenthasvariedbymorethan±15°Cfromthetemperatureofcalibration�
• Responsetimesmayincreaseatlowertemperatures�
• ContactHoneywellAnalyticsforanyadditionaldataordetails�

Honeywell XNX Specifications

General

Ingress Protection	IP66/67
Product Type	Universal Transmitter
Enclosure Rating	IP66/67
Display	LCD
Communication Protocols	HART, Modbus, Foundation Fieldbus
Power Supply	24 VDC nominal, 18-32 VDC
Operating Temperature	-40°C to +65°C (-40°F to +149°F)
Material	Aluminum or Stainless Steel
Gas Types	Toxic, Oxygen, and Combustible gases
Output	4-20 mA
Relays	3 programmable relays
Approvals	ATEX, IECEx, UL, CSA
Sensor Compatibility	Electrochemical, catalytic, infrared, and other sensor types