WARNING!
Do not place foreign objects in the sensor's analytical region (except per the “S5000 IR Sensor Cleaning Procedure” as
described above); otherwise, the infrared beam can be partially blocked, causing the sensor to generate false readings. All
objects must be removed from the sensor's analytical region for it to function properly.
Failure to follow this warning can result in serious personal injury or death.
6.2 Replacing an XCell Sensor
The only routine maintenance item is the sensor, which has a limited lifetime. The S5000 sensors with TruCal technology will
indicate when the sensor is near end of life through the Status Menu. When the Sensor Life & Health status is "Fair", there is
approximately 2month time frame to replace the sensor before it will no longer function. Actual time between “Fair” status and
sensor end of life depends on exact environmental conditions. When a TruCal sensor is no longer capable of sensing it will go
into fault and LEDs will flash yellow. It is good practice to obtain a replacement sensor before the sensor within the unit
becomes inoperative.
There is no need to open the main enclosure. Simply unscrew the sensor assembly located on the bottom of the main
assembly.
WARNING!
• Do not disassemble the sensor assembly. The sensing element inside may contain hazardous material.
• Handle the sensor carefully; the electrochemical version is a sealed unit which contains a corrosive electrolyte.
• Any leaked electrolyte that comes in contact with skin, eyes or clothes can cause burns.
• If any contact with the electrolyte does occur, immediately rinse with a large quantity of water. On contact with the eyes,
rinse thoroughly with water for 15 minutes and consult a doctor.
• Do not install a leaking sensor in the sensing head assembly.
• A leaking sensor must be disposed of in accordance with local, state and federal laws.
• As part of the product certification, it was verified that optional communication functions of this gas detection instrument
while operating at the maximum transaction rate do not adversely affect the gas detection operation and functions of the
instrument. The product certification, however, does not include or imply approval of the SafeSwap feature,
communications protocol or functions provided by the software of this instrument or of the communications apparatus
and software connected to this instrument.
• Follow the warnings below when removing or replacing sensors. Reference Figure 3 Exploded View for component
overview.
○ Never remove or replace a sensor body assembly or an IR Sensor while under power or when explosive hazards
are present.
○ Confirm that the area is free of explosive hazards before removing or replacing an XCell Sensor under power.
○ To remove an XCell Sensor, unscrew XCell Sensor three full turns, wait 10 seconds, and then remove the XCell
Sensor completely.
Failure to follow this warning can result in serious personal injury or death.
Identify the sensor assembly needed via the A-5K-SENS code on the interior sensor label and obtain the appropriate sensor
assembly; replace sensor assembly.
74
US 6 Maintenance
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