Routine Maintenance; Sensor Replacement; Output Goes Negative - Teledyne 3010MB Operating Instructions Manual

Percent Paramagnetic Oxygen Analyzer
2.1
Aside from normal cleaning and checking for leaks at the gas connec-
tions, routine maintenance is limited to replacing Paramagnetic Sensor and
fuses, and recalibration. For recalibration, see Section 4.4 The Zero and
Span Functions.
WARNING: SEE WARNINGS ON TITLE PAGE OF THIS MANUAL.
2.2
The 3010M contains the following major internal components:
• Paramagnetic Sensor
2.3
The Paramagnetic Sensor is maintenance free, and has a long life.
Should the sensor fail, contact the factory for service and replacement.
2.4
If during operation of the instrument, gas pressure exceeds 20 psig, the
output of the sensor may reverse polarity, readings on the display may go
negative. If this happens:
Maintenance

Routine Maintenance

Major Internal Components

Sensor Replacement

Output Goes Negative

Make sure analyzer is mounted in the upright position (see
chapter 3, Installation).
Turn power off by unplugging the instrument.
Turn gas pressure to less than 20 psig.
Turn power on again.
Return instrument to analyze mode.
Teledyne Analytical Instruments
Maintenance 2
Part II: 2-1