Honeywell XNX - 16 Specifications

XNX Universal Transmitter
Section 3 - Calibration
92
Asthesensordetectsthegasandtheconcentrationincreases,
thevaluesdisplayedwillreectthechangingconcentration�
Whentheconcentrationvaluesarestable,3minutes,select
✓
to
allowthetransmittertocalculatethezeroadjustment�Selecting
✖
willreturntotheGasCalibrationmenu�
Figure 196. Zero Calibration in Progress
3�Ifthezerocalibrationissuccessful,thetransmitterwill
displaytheZeroPassedscreen�
Figure 197. Zero Calibration Passed
Span Calibration
IfaSpanCalibrationisnotrequired,selectthe
✖
toskipthe
SpanCalibrationandreturntotheCalibrationmenu�
4�WhentheZeroCalibrationiscomplete,theSpan
Concentrationscreenappears�Thegasconcentration
fortheSpanGasCalibrationcanbechanged�IftheSpan
Calibrationisskipped,theGasCalibrationscreendisplays�
Figure 198. Span Gas Concentration Screen
5� Entertheconcentrationofthespangasbyselecting
✓
to
choosetherstdigit�Usethe
 switchestoincrementor
decrementthevalues�Use
✓
toacceptthenewvalueand
movetothenextdigit�Continueuntilalldigitshavebeen
selected�
Sensor Reading
at Current Settings
Calibration Gas
Concentration
Figure 199. Span Calibration Screen
6�Applythespangas�Asthesensordetectsthegasandthe
concentrationincreases,thevaluesdisplayedwillreect
thechangingconcentration�Whentheconcentration
valuesarestable,select
✓
toperformthespan�TheSpan
Calibrationprocessalsodetermineswhetherthesensor
iswithintheproperrangetoaccuratelydetectthetarget
gas�
Selecting
✖
willcancelthespancalibrationandreturnto
theGasCalibrationmenu�
7�Whenthesensorhascompletedthecalibrationandthe
spanalgorithmshavedeterminedthatitiswithinrange,
theSpanPassedscreenwillappear�