Concept
Kongsberg CONTROS HydroC CH4 (underwater) methane sensor
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL1303/ | ||
|---|---|---|---|
| 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 | 2024-08-21T17:17:3 | ||
| Identifier | SDN:L22::TOOL1303 | ||
| Note | accepted | ||
| Has Current Version | 2 | ||
| Version | 1 | ||
| version | 2 | ||
| inScheme | http://vocab.nerc.ac.uk/scheme/SDNDEV/current/ | ||
| Broader | L05:351 |
dissolved gas sensors | Mapping: 1575275 |
L19:SDNKG17 |
sensor_model | Mapping: 1696978 | |
| Related | B75:ORG00360 |
Kongsberg Maritime AS | Mapping: 1575276 |
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