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Miniature CTD Sensor JES10mini
The JES10mini is a compact CTD sensor for observing salinity, water temperature, and water depth in the sea.
It can be activated, set up, and read out data via Bluetooth communication. The Japanese operation system is designed for ease of use. Operation with a tablet or smartphone is also in the works.
| Pressure-resistant depth | 200m (plastic) / 500m ・1,000m (SUS) |
|---|---|
| Observation items | Electrical conductivity, water temperature, water depth |
| Communication method | Bluetooth RS232/ 485 (optional) |
| Battery | Lithium primary battery x 2 |
| Size | Overall Length 173mm x Diameter 45mm |
| Weight | 480g (plastic) / 800g (SUS) |
| Storage | 270K samples |
| Annual variation | ±156 sec / year |
| Sampling rate | 1Hz |
| Electrical conductivity | 0-7 S/m | |
|---|---|---|
| Initial accuracy | ±0.005 S/m | |
| Resolution | 0.00001 S/m | |
| Water temperature | Initial accuracy | ±0.005℃ |
| Resolution | 0.0001℃ | |
| Water depth | Observable depth | 500m |
| Initial accuracy | ±0.1% Full scale |
■ Example of use
- Casting
- Compact, lightweight, and can be cast with a fishing tackle.
Easy to use without any special equipment. Mountable on various platforms.
- Mooring
- Mooring can be used for long-term observations.
- Cross Section Survey
- Different water depths can be observed at once by towing multiple units connected vertically.
Leaflet｜©OpenStreerMap contributors ©CartoDB,CartoDB attributions
- Attach to a ROV
- ”JES10mini” can be attached to ROVs. Please contact us for details.
■ Papers
List of papers about the observation results by JES10mini. Click the link to go to the paper page.
| Title | Journal | Issue Date |
|---|---|---|
| Challenge for multifaceted data acquisition around active volcanoes using uncrewed surface vessel | Frontiers in Marine Science Volume 11 – 2024 | Jun. 2024 |
| Sea-ice motion and oceanographic data from the Beaufort Sea to the Chukchi Borderland in March–October 2022 | Polar Data Journal 7_24-34(2023) | July 2023 |
| USV-Observed Turbulent Heat Flux Induced by Late Spring Cold Dry Air Incursion over Sub-Mesoscale Warm Regions off Sanriku, Japan | Sensors 2022, 22(24), 9695 | Nov. 2022 |