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| 
Assekrem
-CO-
| Observation |
| Category |
: |
Air sampling observation |
| Situation |
: |
ongoing |
| Time zone |
: |
UTC |
| Sampling |
| Sampling height |
: |
5 |
| Description |
: |
continuous |
| Sampling and analysis frequency |
: |
1-minute averages air |
| Sampling environment |
: |
|
| Description for sampling analysis |
: |
air sampling intake : it is a 1/4 " PTFE line |
| Instrument and Analysis |
| Measurement method |
: |
NDIR |
| Current status and history of instrument |
: |
Instument model : Horiba APMA-360 CE#303003
the measure of CO was interrupted from 20 january 2014 to 2 mars 2015 (more than one year ) after the failure of a component of pump. A new one was installed on 03 mars 2015. |
| Description of instrument |
: |
range : 1 ppm
pronciple : NDIR , cross flow modulation technique |
| Calibration |
| Current scale employed in the measurement |
: |
|
| Measurement calibration |
: |
|
| Scale and calibration(treasability) |
: |
The latest calibration was made by EMPA (swiss ) on may 2007 |
| Data Processing |
| Measurement unit |
: |
ppb |
| Data processing |
: |
The processing data is made at head quarter at Tamanrasset . |
| Processing for averaging |
: |
Processing for Hourly Data:
A program is developed in situ to calculate hourly data , daily data and monthly data
|
| Data flag |
: |
The wrong data are rejected in analysing |
| Data remarks |
: |
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| Other Information |
| Scientific aim |
: |
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| Reference |
: |
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| submitted by Office National de la Meteorologie |
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