Columbia Weather Systems Orion AQM, User Manual

Page: 42 / 55

Orion AQM/AQM+ 41
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Columbia Weather Systems, Inc.
SECTION 5: OPERATION
The AQM and AQM+ require a 24-hour stabilization period before using
the measurement results. To ensure optimal measuring accuracy, a
stabilization period of 48-hours is recommended.
The AQM transmits an ASCII comma-delimited data string every minute
over RS-485.
AQM Data Output Definition
Example (AQM+):
2018-02-05T19:32:16,71.8,35.9,1021.1,0.003,0.086,0.659,0.000,0.8,1.3,
T:H:P:NO2:SO2:CO:O3:PM2.5:PM10, 90500
Date and time, Temperature (°F), Humidity, Pressure (mbar), Nitrogen
Dioxide (NO2), Sulfur Dioxide (SO2), Carbon Monoxide (CO), Ozone
(O3), PM
2.5
, PM
10
, Sensor Uptime
Field Description Example
Date Date and time 2018-02-05T19:32:16
Temperature Air Temperature in °F 71.8
Humidity Humidity in %RH 35.9
Pressure Batrometric Pressure
in mbar 1021.1
Measurements Gas Measurements in
ppm
Particle Measurments
in μg/m
3
0.003,0.086,0.659,0.000,0.8,1.3
Print Order Specifies the printing
order of the
measurements in the
Measurements field
T:H:P:NO2:SO2:CO:O3:PM2.5:PM10
Sensor Uptime Amount of time sensor
has been powered on
Measurements are
considered valid when
uptime is more than
86400 seconds (one
day).
90500