Concept
Kongsberg Maritime CONTROS HydroC CH4 (underwater) methane sensor
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL1303/1/ | |
|---|---|---|
| Within Vocab | SeaVoX Device Catalogue | |
| Alternative Labels | Kongsberg CONTROS HydroC CH4 | |
| Definition | A methane sensor is designed for background methane monitoring and long-term deployments. It measures in-situ CH4 partial pressure. Dissolved CH4 molecules diffuse through a thin membrane into a detector chamber where the CH4 concentration is determined by means of tunable diode laser absorption spectroscopy (TDLAS). The detector has a high accuracy in a large dynamic range of partial pressures and stability over a long time. Sensors can be adapted with a number of optional configurations such as underwater pumps, different flow head designs, antifouling heads, operational temperature ranges, battery packs and ROV, AUV, profiling and mooring frame packages etc. Measurement range: 0-40,000 uatm. Detection limit: < 1 uatm. Operating depth: 3,000 m. Accuracy: +/-2 uatm or +/-3% (whichever is greater). | |
| Date | None | |
| Identifier | TOOL1303 | |
| Note | accepted | |
| Is Version Of | TOOL1303 | |
| version | 1 | |
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