XNX Universal Transmitter
Section 3 - Calibration
93
Figure 200. Span Passed Screen
If the calibration is not successful, the Span Failed screen
will display� Selecting
✓
will return to the Span Concentration
screen to begin the span calibration again� Selecting
✖
will
exit Span Calibration and return to the Gas Calibration Menu�
Arrow indicates
gas values too low
Selecting ‘
✔
’ returns to
the Span Concentration
screen
Figure 201. Span Calibration Failed
Once the Zero Gas and Span calibrations are completed
successfully, the user will be prompted to:
• exit with inhibit off
• exit with inhibit on, or
• not exit�
Figure 202. Span Calibration Failed
Warning:
When the XNX transmitter is placed in Inhibit Mode, alarms are
silenced. This will prevent an actual gas event from being reported. Inhibit Mode
must be limited to testing and maintenance only. Exit Inhibit Mode after testing
or maintenance activities.
3.2.3 Using the Calibration Cup
Refer to Figure 203 to attach the calibration cup:
1� Snap the calibration cup into the weather protector� The
two protrusions on the cup fit into recesses in the weather
protector�
2� Attach the hose from the gas cylinder to the calibration cup�
Note that the cup’s flow is unidirectional� There is an arrow
on the bottom showing flow direction
3� Adjust the calibration flow rate
1
�
weather
protector
calibration cup
attach gas
cylinder hose
Figure 203. Attaching the Calibration Cup
1 300-375 ml/min for XNX EC sensors, 500 ±200 ml/min for XNX mV sensors, unless
otherwise directed
Summary of Contents for XNX
Page 1: ...Technical Manual XNXTM Universal Transmitter ...
Page 2: ......
Page 6: ...XNX Universal Transmitter Table of Contents 4 Table of Contents ...
Page 11: ...XNX Universal Transmitter XNX Universal Transmitter Technical Manual 9 1 Introduction ...
Page 91: ...XNX Universal Transmitter XNX Universal Transmitter Technical Manual 89 3 Calibration ...
Page 104: ...XNX Universal Transmitter Section 3 Calibration 102 ...
Page 105: ...XNX Universal Transmitter XNX Universal Transmitter Technical Manual 103 4 Maintenance ...
Page 128: ...XNX Universal Transmitter Section 5 Warnings Faults 126 ...
Page 129: ...XNX Universal Transmitter XNX Universal Transmitter Technical Manual 127 6 Specifications ...
Page 152: ...XNX Universal Transmitter Section 6 Specifications 150 Figure 232 XNX BT Configuration ...
Page 161: ...XNX Universal Transmitter XNX Universal Transmitter Technical Manual 159 7 Control Drawings ...
Page 162: ...XNX Universal Transmitter Section 7 Control Drawings 160 7 1 XNX UL INMETRO ...
Page 163: ...XNX Universal Transmitter Section 7 Control Drawings 161 ...
Page 164: ...XNX Universal Transmitter Section 7 Control Drawings 162 ...
Page 165: ...XNX Universal Transmitter Section 7 Control Drawings 163 7 2 XNX UL CSA FM ...
Page 166: ...XNX Universal Transmitter Section 7 Control Drawings 164 ...
Page 167: ...XNX Universal Transmitter Section 7 Control Drawings 165 ...
Page 192: ...XNX Universal Transmitter Appendix B Modbus Protocol 190 ...
Page 193: ...XNX Universal Transmitter XNX Universal Transmitter Technical Manual 191 Appendix C Warranty ...
Page 195: ...XNX Universal Transmitter XNX Universal Transmitter Technical Manual 193 Index ...
Page 199: ......