Wave Logger III
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Product Application
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OSSI-010-010 Wave Logger III – Product Description
The Ocean Sensor Systems OSSI-010-010 Wave Logger III is a high-resolution, self-contained instrument designed for direct-contact measurement of liquid surface height at sampling rates up to 30 Hz, ideal for waves, wakes, tides, and water level monitoring in lakes, ponds, tanks, and pools.
Measurement & Performance
| Measurement Principle | Conductive staff measuring liquid surface height via capacitance |
|---|---|
| Sampling Rate | Up to 30 Hz |
| Output Range | 0-4095 counts, convertible to millimeters |
| Accuracy | 1% of full scale (better than 0.1% with in-situ calibration) |
| Staff Length Options | Various lengths available; staffs are interchangeable |
Data Logging & Communication
| Primary Data Storage | Internal logging to Compact Flash memory cards (64MB to 2GB) |
|---|---|
| Communication Interface | Optional RS232 serial communication for real-time data and configuration |
| Wireless Option | RF Modem available (models with date code after 8/31/09) |
| Computer Software | Free Windows-based Graphical User Interface (GUI) for configuration, calibration, and data display |
| Data Format | PC-readable format compatible with spreadsheet and analysis programs |
Power & Battery
| Power Source | Internal battery pack of 4 common alkaline C-cells |
|---|---|
| Battery Replacement | User-replaceable battery pack or individual C cells |
| Low Battery Threshold | Replace when at or below 3.8 VDC |
| Battery Life | Extended operation through configurable sampling modes |
Construction & Deployment
| Housing | Waterproof black plastic housing with solid-state electronics |
|---|---|
| Materials | Glass, PTFE, stainless steel, and ABS plastic compatible with most fluids |
| Mounting | Two 10-24 (3/4” deep) mounting holes on base or clamps around housing |
| Orientation | Vertical mounting with electronics head on top and staff projecting downward |
| Environmental Protection | No special protection needed from spray, rain, or sun |
| Clearance Requirements | Staff should be 4-6 inches from any metallic or grounded surface |
Operation & Sampling Modes
| Operation Start | Automatic upon insertion of formatted CF card and battery connection |
|---|---|
| Sampling Modes | Continuous sampling or configurable burst sampling |
| Status Indicator | LED light (3 sec on = normal; rapid blink = CF card error; slow blink = safe to remove) |
| File Management | Configurable new file intervals with daily file rotation capability |
Control & Interface
| Interface Software | Wave Logger III Interface Software for configuration, calibration and data display |
|---|---|
| Configuration Options | Sample rate, data format, start time, burst sampling, RF mode |
| Alternative Interface | HyperTerminal or serial terminal programs (9600 baud, no flow control) |
| Calibration | In-situ calibration procedure for optimal accuracy |
Maintenance
| Routine Maintenance | Wipe slime buildup off yellow PTFE staff |
|---|---|
| Battery Maintenance | Regularly check battery voltage and replace when needed |
| Staff Replacement | Staff can be separated from electronics housing for replacement |
| Internal Maintenance | None required due to sealed solid-state electronics |
Typical Applications
| Wave Measurement | Ocean and lake wave monitoring and characterization |
|---|---|
| Water Level Monitoring | Tide, pond, tank, and pool level measurement |
| Research Applications | Ship wake studies, sinkage measurements, laboratory wave tank research |
| Environmental Monitoring | Long-term water level monitoring in remote locations |
| Key Advantage | Self-contained data logging with robust direct-contact sensing for reliable long-term deployment |
Software and Manuals
User Manual
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User Guide
Guide
Pc Interface Software
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Wave Logger III vs Wave Logger – Comparison Table
Key differences between the third-generation Wave Logger III and the earlier Wave Logger model
Product Overview
| Feature | Wave Logger III (OSSI-010-010) | Wave Logger (OSSI-010-004E/005xE) |
|---|---|---|
| Product Generation | Third Generation | Earlier Generation |
Grounding & Installation
| Grounding System | Self-grounding stud - simplified installation | External grounding wire required - must connect ground stud to water with copper wire |
|---|---|---|
| Staff Grounding Types | Internal Ground (Int Gnd) options available | External Ground (Ext Gnd) primarily used |
Technical Specifications
| Measurement Performance | Up to 30Hz sampling rate | Up to 30Hz sampling rate |
|---|---|---|
| Data Storage | Compact Flash cards (64MB-2GB) | Compact Flash cards (64MB-2GB) |
| Power System | 4 C-cell alkaline batteries | 4 C-cell alkaline batteries |
Design & Physical Features
| Staff Mounting & Clearance | Blue staff section - keep 4-6" from metallic surfaces | Yellow staff section - keep at least 4" from metallic surfaces |
|---|---|---|
| Staff Types | Coaxial Rod Staff & Coaxial Cable Staff options | Rod and Cable Staff options |
| Waterproof Housing | Yes - no special protection needed | Yes - no special protection needed |
Performance & Accuracy
| Accuracy | 1% full scale (0.1% with calibration) | Better than 1% full scale (0.1% with calibration) |
|---|---|---|
| Calibration Procedure | Simplified grounding with internal ground options | External grounding required during calibration |
Software & Control
| Software Compatibility | Wave Logger III Interface Software | Wave Staff/Logger Interface Software |
|---|---|---|
| Communication Options | RS232 standard, RF optional | RS232 standard, RF optional |
Maintenance & Service
| Staff Interchangeability | Yes - multiple lengths available | Yes - multiple lengths available |
|---|---|---|
| Routine Maintenance | Wipe slime buildup off yellow PTFE staff | Wipe slime buildup off yellow PTFE staff |
Key Improvements in Wave Logger III:
- Enhanced Grounding: Self-grounding system eliminates need for external grounding wires
- Improved Staff Design: Coaxial staff options with internal grounding provide better performance
- Simplified Installation: Reduced setup complexity and hardware requirements
- Updated Design: Blue staff section and refined mechanical design