Concept
Sunburst Autonomous Flow Through Instrument {AFT-CO2} pCO2 sensor
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL2067/1/ | |
|---|---|---|
| Within Vocab | SeaVoX Device Catalogue | |
| Alternative Labels | Sunburst AFT-CO2 | |
| Definition | A benchtop autonomous flow through instrument designed to be plumbed into a sample line / flow through system on a research vessel. The instrument uses a precise and stable colourimetric reagent method to measure the partial pressure of CO2 in water (pCO2- wet) from 150 - 700 microatmospheres, with an accuracy of +/- 3 microatmospheres. The AFT-CO2 logs its own data and can be configured to support other external instruments if required. It is calibrated against a National Institute of Standards (NIST)-traceable non-dispersive infrared (NDIR) system. The instrument has a response time of 5 minutes, a precision of less than 1 microatmosphere, a low long-term drift of less than 1 microatmosphere over 6 months, and a thermistor accuracy of 0.1 degC and precision of +/- 0.01 degC. Duration of use is 7,500 measurements from one reagent bag. | |
| Date | None | |
| Identifier | TOOL2067 | |
| Note | accepted | |
| Is Version Of | TOOL2067 | |
| version | 1 | |
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