A CTD — an acronym for Conductivity, Temperature, and Depth — is the primary tool for determining essential physical properties of sea water. It gives scientists a precise and comprehensive charting of the distribution and variation of water temperature, salinity, and density that helps to understand how the oceans affect life.

| Manufacturer | YSI Incorporated | Funding Source | China-Sri Lanka Joint Centre for Education and Research |
| Model | EXO1 SONDE | Whether the equipment service can be provided to external researchers/institutions | No |
| Manufactured Year | 2016 | Availability of Technically Competent Staff | Yes |
| HS Code | Instrument Condition | Functioning well | |
| Vendor Name | Quolikem International (Pvt.) Ltd. | Commencement of Operations Date | 0000-00-00 |
| Vendor Contact | +94 112 744 144, +94 777 737 772 | InstrumentPrice | 0.00 |
| Vendor Url | https://quolikem.lk/ | Stage of the Record | Incomplete |
| Catalog Aceess | |||
| Catalog Upload | View File | ||
| Catalog Link | https://www.ysi.com/File%20Library/Documents/Brochures%20and%20Catalogs/YSI-EXO-Brochure.pdf |
| Institute | University of Ruhuna |
| Faculty | Fisheries and Marine Sciences & Technology |
| Department | Oceanography and Marine Geology |
| Laboratory | Physical Oceanography |
| Contact Person Name | Head of the Department |
| fishinfo@fish.ruh.ac.lk | |
| Phone Number | 0412227026 |
| Mobile Number |
| Product Category | Data loggers |
| Sub Category | Designed for use in researches |
| Testing Paremeters | Cloud - based data delivery |
| Description | The ZL6 data logger uses to deliver near-real-time data wherever and whenever you need it, downloading data in the field and easy to distribute and share them. |
| Relevant Instruments | Data logger ZL6 (Maxim Integrated) |
| Technical Specification | |
| Number of samples per cycle | 0 |
| Number of samples per day | 0 |
| Total usage hour per day | 0 |