PRODUCT MAINTENANCE
45
OI-6000K-X-X-X-NXP-X OPS_GUIDE_REV 1.0
5
PRODUCT MAINTENANCE
5.1
SCHEDULED MAINTENANCE
Otis recommends that our equipment be calibrated a
MINIMUM
of every 90 days, and
STRONGLY
advise that
calibration be performed every 30 days. Without knowing the specific application, sensor assembly location,
gas exposure, and other factors, the company recommends monthly calibrations
–
assuming no damage or
potential damage has occurred to the sensor and that there has not been a power outage to the sensor
assembly. If damage has occurred or the power supplied to the sensor has changed, a calibration should
be completed immediately.
Scheduled maintenance should include the null and calibration of the sensor and a relay test. Consult the
Sensor Calibration and Relay Test sections of this manual for further information and instructions on how
to perform these procedures.
The sensor head should be kept free of airborne particles, dirt, mud, spider webs, bugs and insects, and/or
any other debris that could potentially cover or coat the sensor. Keeping the sensor head clear of foreign
articles will allow for proper operation of the device. A brief inspection during scheduled maintenance
should suffice, but dependent upon the location and the environment in which the unit is installed, more
frequent inspections may be warranted.
The sensor assembly may be adversely affected by the exposure to certain airborne substances. Loss of
sensitivity or corrosion may be gradual, if such materials are present in sufficient concentrations. The
performance of the device may be impaired during operation in the presence of substances that can cause
corrosion on gold plating. Continuous and high concentrations of corrosive gases may also have a
detrimental long-
term effect on the product’s service life. The presence of such substances in an area does
not preclude the use of this device, but the likelihood of the shortened lifetime of the sensor element, as a
result, should be noted. Use of the sensor assembly in these environments may require more frequently
scheduled maintenance to ensure safe and reliable system performance.
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