3
3.6.2
Span calibration failure ..................................................................................... 14
3.6.2.1 Sensor out of range (no CAL).................................................................... 14
3.6.2.2 Causes for span cal failure ........................................................................ 14
3.7 Fresh air/zero calibration in a contaminated atmosphere ......................................... 15
4. Maintenance ................................................................................................. 15
4.1 Replacing batteries................................................................................................... 15
4.2 Replacing sensors .................................................................................................... 16
4.3 Proper Cleaning ....................................................................................................... 16
4.4 Storage..................................................................................................................... 16
5. PC-Instrument Communications ............................................................... 16
5.1 Event logging............................................................................................................ 16
5.2 Instrument firmware upgrades.................................................................................. 17
5.3 Initiating communications ......................................................................................... 17
6. Exploded view and basic parts list............................................................. 17
Appendices.......................................................................................................... 18
Appendix A: Sensor Cross-Sensitivity Chart ....................................................................... 18
Appendix B: Replacement Sensor List ................................................................................ 18
Appendix C: Calibration Frequency Recommendation....................................................... 19
Honeywell Analytics Warranty Gas Detection Products ................................. 20
Operating Temperature Range
The safe operating temperature range of the gas detector is printed
on the back label of the instrument. Use of Honeywell Analytics Gas Detectors outside
of the instrument’s specified operating temperature range may result in inaccurate and
potentially dangerous readings.
Certifications
The ToxiPro
®
-NGSG carries the following certifications:
UL and c-UL, Class I, Division 1, Groups A,B,C,D, Temp Code T4.
UL Class II, Division 1, Groups E,F,G
ATEX Certification:
II 1 G Ex ia IIC T4
UL International DEMKO A/S 09 ATEX 0823124
IECEx Ex ia IIC T4 Ga
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