PureAire TX-KE, Инструкция по эксплуатации

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PureAire Monitoring Systems, Inc. 2/22/2000
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4.2.2 Recommended Routine Maintenance Schedule
Routine Visual
Checks Monthly Comments
Electrolyte
Replacement Every 6
months Model TX-KE only; Model TX-KP uses a
disposable sensor cell.
When replacing
electrolyte, fresh electrolyte should be added
until it reaches the top of the gauge on the
side of the sensor. Should the electrolyte
level fall below the ¼ mark before the 6-
month replacement interval is over, it should
be replaced.
Sensor O-ring
and Membrane
Replacement Every 6
months
Model TX-KE only; Model TX-KP uses a
disposable sensor cell.
The membrane
should be checked occasionally for dirt and
oil substances between replacement
intervals and replaced if dirty, soiled by oil, or
damaged.
Sensor
Calibration Every 6
months Calibration should be performed whenever
the electrolyte or membrane is replaced.
Sensor
Replacement Every 2
years
Model TX-KP only; Model TX-KE uses a
renewable sensor.
Estimated sensor life is
two years, although life may vary depending
on the installation. Replacement is required
when the instrument can no longer be zeroed
or calibrated correctly.
4.3 Loss of Power Indicator
In the event the TX-KE or TX-KP loses VDC power, the 4-20 mA analog output
signal drops to 0. The green LED on the face of the instrument will also go out.