Wave Logger

Compatible with external sensor

Core Features

All-in-One Logging

Internally logs data to a Compact Flash card for standalone, long-term deployment.

Weatherproof & Rugged

Waterproof housing operates reliably in rain, spray, or sun with no extra protection.

Simple Power & Setup

Runs on standard C-cell batteries and features interchangeable staffs for flexible use.

Wired or Wireless Models

Available in both RS232 and RF versions to suit direct or remote data access.

Product Application

Determine the product's adherence to your specifications.

Ocean Wave & Wake

High-resolution measurement of wave height and vessel wake characteristics.

Industrial Tank Level

Precise liquid level tracking in industrial tanks and research pools.

Vessel Sinkage & Trim

Real-time measurement of boat displacement and hull orientation.

Tide & Lake Level

Continuous monitoring of water level fluctuations in natural bodies.

Hydrological Monitoring

Long-term water level tracking for environmental and resource management.

Coastal Research

Essential data collection for shoreline and erosion studies.

OSSI-010-004E Wave Logger & OSSI-010-005xE RF Wave Logger – Product Description

The Ocean Sensor Systems Wave Logger and RF Wave Logger are high-resolution, self-powered instruments designed for direct-contact measurement of liquid surface height at data rates of up to 30 Hz, ideal for waves, wakes, tides, and liquid level monitoring in various environments.

Measurement & Performance

Measurement Principle Direct contact conductive staff measurement
Sampling Rate Up to 30 Hz
Staff Length Options Interchangeable staffs available in a variety of lengths
Output Range 0-4095 counts, convertible to millimeters
Accuracy Better than 1% of full scale (0.1% with advanced post-processing)

Data Logging & Communication

Data Storage Internal logging to Compact Flash memory cards (64MB to 2GB)
Data Format PC readable format for easy analysis
Wired Communication RS232 serial communication for configuration and real-time data
Wireless Option (RF Model) 900MHz RF Wave Logger: X09-009NSC modem
2.4GHz RF Wave Logger: X24-009NSC modem
Compatible with Stand-Alone RF Modems for remote data links
Configuration Software Graphical User Interface available for download

Power & Battery

Power Source Replaceable internal battery pack of 4 alkaline C-cells
Battery Replacement Individual alkaline C cells connected in series
Battery Status Replace when voltage is at or below 3.8V
Battery Life Indicator Open circuit reading of 6V or greater indicates ≥90% capacity

Construction & Deployment

Housing Waterproof housing with solid-state electronics
Materials Glass, PTFE, stainless steel, and ABS plastic
Mounting Vertical orientation with staff projecting downward into fluid
Environmental Protection No special protection needed from spray, rain, or sun
Mounting Hardware Two 10-24 (3/4” deep) mounting holes on base; Optional Mounting Hardware Kit (OSSI-015-002)
Grounding Requirement Electrical connection from ground stud to fluid being measured

Operation & Indicators

Startup Automatically begins data collection within 60 seconds of power-up
LED Indicator 3-second light: Normal operation
Rapid blinking (~3Hz): CF card error
Slow blinking (1Hz): Safe to remove CF card/battery
Card Removal Momentarily depress button and wait for slow LED blink before removal
Fluid Compatibility Almost any fluid compatible with construction materials

Control & Interface

Interface Software Staff & Logger Interface Software for Windows
Configuration Options Sample rate, data format, start times, file intervals, burst sampling
Alternative Interface HyperTerminal program with 9600 baud, no flow control
RF Configuration Configure via AT commands or Digi International's X-CTU software

Maintenance

Routine Maintenance Wiping slime buildup off the yellow PTFE staff
Staff Replacement Staff can be separated from electronics housing for replacement
Battery Check Primary maintenance is checking battery voltage
Calibration Required when staff is changed; otherwise minimal maintenance needed

Typical Applications

Wave & Wake Measurement Ocean waves and vessel wake characterization
Water Level Monitoring Tides, lake levels, pond levels, tank levels, pool levels
Industrial Applications Sinkage measurement, trim measurement for vessels
Research Coastal research, environmental monitoring, hydrological studies
Key Advantage Robust direct-contact sensing with reliable internal data logging for long-term deployment

Software and Manuals

User Manual

A small river named Duden flows by their place and supplies it with the necessary
Download

User Guide

Guide
Download

Pc Interface Software

Click on download or click on the picture to download the software
Download

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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