2-Pack Analyzer System
B–2 4900002256 rev. B 4-13-21
designed to withstand some contamination, it is recommended to always keep
the sampling lines as contamination free as possible. Refer to “Cleaning the
Sampling Lines” on page B-3.
Excessive Sampling Gas Temperatures and
Pressures
The embedded software is designed to produce accurate measurements only
within the allowable cell operating range (refer to Appendix A). Pressures and
temperatures outside these ranges will trigger a Pressure Low Alarm,
Pressure High Alarm, Temp Low Alarm, or Temp High Alarm fault. For
more information on system alarms, refer to the Firmware Manual.
Electrical Noise
High levels of electrical noise can interfere with laser operation and cause it to
become unstable. Always connect the analyzer to a properly grounded power
source. Refer to “Protective chassis and ground connections” on page
3-5.
Peak Tracking Reset Procedure
The analyzer’s software is equipped with a peak tracking function that keeps
the laser scan centered on the absorption peak. Under some circumstances,
the peak tracking function can get lost and lock onto the wrong peak. If the
PeakTk Restart Alarm is displayed, the peak tracking function should be
reset. Refer to the Firmware Manual for this analyzer for instruction.
The cell temperature operating range for analyzers that are
equipped with heated enclosures is equal to the enclosure
temperature setpoint ±5 °C.
If the pressure, temperature, or any other readings on the LCD
appear suspect, they should be checked against the specifications
(refer to Table A–1 on page A–1 or Table A–2 on page A–3).
Technicians are expected to follow all safety protocols established
by the customer that are necessary for servicing the analyzer.
This may include, but is not limited to, lockout/tag-out
procedures, toxic gas monitoring protocols, personal protective
equipment (PPE) requirements, hot work permits and other
precautions that address safety concerns related to performing
service on process equipment located in hazardous areas.
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