H. Maintaining and Troubleshooting the AQSync
Model AQSync Air Quality Monitoring Station Manual Rev. A-1
45
H.1.6
Replacement of NOx Instrument LED
The LED for the NOx
instrument is threaded into
the bottom hole of the
stacked endcap of the
instrument’s cell.
It is recommended that this
LED be replaced annually.
When the LED is replaced,
recalibration of the NOx
instrument is necessary.
H.1.7
Summary of Maintenance Recommendations
The next page gives a recommended schedule of maintenance and calibration for the
AQSync.