Wave Gauge Blue
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OSSI-010-025 Wave Staff XB – Product Description
The Ocean Sensor Systems OSSI-010-025 Wave Staff XB is a high-resolution, wireless instrument designed for direct-contact measurement of liquid surface height at sampling rates up to 32 Hz, ideal for waves, wakes, tides, and water level monitoring.
Measurement & Performance
| Measurement Principle | Capacitance sensing between sensor staff and water |
|---|---|
| Sampling Rate | Up to 32 Hz |
| Staff Length Options | 0.5 to 20 meters |
| Synchronization | Time-stamped data for synchronizing up to 8 units for directional measurements |
| Operating Principle | Measures capacitance changes as water level moves along the staff |
Data Link & Communication
| Wireless Protocol | XBee wireless network |
|---|---|
| Adapter Options |
XStick USB Adapter (OSSI-581-016): 66 ft line-of-sight range Waterproof XB to USB Adapter (OSSI-015-020/021): Up to 2-mile range with 5m cable XBee RS232 Adapter (OSSI-581-020-A/W Pro): Up to 2-mile range |
| Computer Connection | Windows USB to Serial Converter driver with User Interface Software (GUI) |
| Data Transmission | Real-time data streaming to computer interface |
Power & Battery
| Power Source | 2 C-size batteries |
|---|---|
| Battery Types | Alkaline or Nickel-Metal Hydride (NiMH) |
| Voltage Range | 1.8V (minimum) to 3.3V (maximum) |
| Battery Options |
Alkaline: Energizer EN93 (OSSI-591-014) NiMH: Energizer NH35BP-2 (OSSI-591-015) |
| Battery Life | Months of operation on two C-cell alkaline batteries |
Construction & Deployment
| Housing | Waterproof housing with solid-state electronics |
|---|---|
| Staff Types | Rod Staff or Cable Staff options |
| Mounting | Vertical orientation with staff projecting downward into fluid |
| Environmental Protection | No special protection needed from spray, rain, or sun |
| Clearance Requirements | 5-6 inches from metallic/grounded surfaces; 4-5 feet from large obstructions |
| Mounting Hardware | Available mounting kits (OSSI-015-018) with stanchions and brackets |
Operation & Sampling Modes
| Sampling Modes | Continuous sampling or burst sampling with sleep mode |
|---|---|
| Self-Grounding | Coaxial rod and cable staffs eliminate need for separate water ground wire |
| Fluid Compatibility | Any fluid compatible with glass, PTFE, stainless steel, and ABS plastic |
| Measurement Range | Must cover highest and lowest tide plus waves on the staff |
Control & Interface
| Interface Software | Staff & Sonic Product Interface Program |
|---|---|
| Version Compatibility |
Version 2.00: Known bug in "Factory Values" calibration button Version 2.01: No known software issues |
| Calibration | Factory calibrated with restoration capability |
Maintenance
| Routine Maintenance | Wipe off slime buildup with soap, water, and soft cloth |
|---|---|
| Battery Replacement | Unscrew battery holder cap on top of electronics section |
| Staff Replacement | Staff can be changed if damaged or different length needed |
| Internal Maintenance | Minimal due to sealed solid-state electronics |
Typical Applications
| Wave Measurement | Wave and wake characterization |
|---|---|
| Water Level Monitoring | Tide, pond, tank, and pool level measurement |
| Directional Studies | Multi-unit synchronized directional wave measurements |
| Research | Coastal research, environmental monitoring, and laboratory studies |
| Key Advantage | Wireless convenience with robust direct-contact sensing for long-term deployment |
Software and Manuals
User Manual
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User Guide
Guide
Pc Interface Software
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The OSSI-010-003 Wave Gauge is a rugged, self-powered sensor that measures liquid surface height up to 30 Hz with high accuracy. Ideal for waves, tides, and water level monitoring, it supports long-term autonomous operation with CompactFlash data logging and easy data access via RS232.
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Wave Staff Comparison Table
Comparison of Wave Staff III, Wave Staff XB, and Standard Wave Staff models
Product Overview
| Feature | Wave Staff III (OSSI-010-002) | Wave Staff XB (OSSI-010-025) | Wave Staff (OSSI-010-002F) |
|---|---|---|---|
| Product Generation | Third Generation | Wireless XB Series | Standard Series |
Measurement & Performance
| Sampling Rate | Up to 30 Hz | Up to 32 Hz | Up to 100 Hz |
|---|---|---|---|
| Accuracy | 0.25% of full scale (20-80% range) | Not specified | Better than 1% of full scale |
| Measurement Principle | Capacitance sensing | Capacitance sensing | Capacitance sensing |
Connectivity & Communication
| Primary Communication | Wired RS232 | Wireless XBee | Wired RS232 |
|---|---|---|---|
| Wireless Options | Not available | XBee USB/RS232 Adapters (up to 2-mile range) | Not available |
| Analog Output | 0-5V DC (when enabled) | Not specified | 0-5V DC (improved SNR when RS232 off) |
Power System
| Power Requirements | 5.5-40V DC external | 2 C-cell batteries (1.8-3.3V) | 5.5-40V DC external |
|---|---|---|---|
| Battery Life | Days with 9V battery | Months of operation with sleep modes | Days with 9V battery |
| Safety Voltage | Recommended below 16V | N/A (battery powered) | Recommended below 16V |
Physical Design & Staff
| Staff Color | Blue PTFE | Teflon insulation (color not specified) | Yellow PTFE |
|---|---|---|---|
| Grounding System | Self-grounding options (Int Gnd) | Self-grounding coaxial - no ground wire needed | External ground wire required |
| Staff Types | Coaxial Rod & Cable Staffs | Rod & Cable Staffs (0.5-20m) | Rod & Cable Staffs |
| Clearance Requirements | 6" (min 4") from metallic surfaces | 5-6" from metallic surfaces | 4" from metallic surfaces |
Installation & Mounting
| Tension Requirements | 10 lbs max (100 lbs design limit) | 2-4 lbs recommended (5 lbs max, 50 lbs design) | 5-10 lbs recommended (15 lbs max, 150 lbs design) |
|---|---|---|---|
| Mounting Options | U-bolts, clamps, optional hardware kits | Clamps, stanchions, optional hardware kits | Clamps, stanchions, optional hardware kits |
| Housing | Waterproof, 2" diameter black plastic | Waterproof black electronics housing | Waterproof black electronics housing |
Configuration & Software
| Interface Software | Water Level Sensor Interface Software | Staff & Sonic Product Interface Program | Staff and Sonic Products Interface Program |
|---|---|---|---|
| Default Sample Rate | 10 Hz | Not specified | 20 Hz |
| Software Issues | No known issues | Version 2.00 has calibration bug | No known issues |
Maintenance & Calibration
| Maintenance | Wipe slime off blue PTFE staff | Wipe slime off case and staff | Wipe slime off yellow PTFE staff |
|---|---|---|---|
| Staff Replacement | Large blue hand nut (hand tight) | 4 screws, inline connector, cable grip | Cord grip cap and plastic insert |
| Calibration Required | After staff replacement | After staff replacement | After staff replacement |
Key Selection Guide:
- Wave Staff III: Highest accuracy (0.25%), self-grounding options, ideal for precision applications
- Wave Staff XB: Wireless operation, battery powered, perfect for remote or difficult-to-wire locations
- Wave Staff: Highest sampling rate (100Hz), proven reliability, best for high-frequency wave measurements
- All models feature: Interchangeable staffs, waterproof construction, capacitance-based measurement