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Sequoia LISST-200X - User Manual

Sequoia LISST-200X
126 pages
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LISST-200X
Particle Size Analyzer
User’s Manual
Version 1.3B
(January 2018)
2700 Richards Road, Suite 107
Bellevue, WA 98005-4200
Tel: (425) 641-0944 Fax: (425) 643-0595
Store Software
USB Card Here
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Sequoia LISST-200X Specifications

General IconGeneral
ModelLISST-200X
Measurement PrincipleLaser diffraction
Number of Size Classes32
Measurement Rate1 Hz
Path Length5 cm
Weight in Water1.5 kg
Light SourceLaser diode, 670 nm
Data OutputRS-232
Operating Temperature-5 to 45 °C
Storage Temperature-20 to 60 °C
Power Consumption5 W

Summary

Introduction to LISST-200 X

Laser Diffraction and the LISST-200 X

Explains laser diffraction principles and how the LISST-200X measures particle size.

LISST-200 X General Description

Provides an overview of the LISST-200X's capabilities, components, and operation.

LISST-200 X Quick Start Tutorial

Step-by-step guide for initial setup, software installation, and data acquisition.

LISST-200 X Operation Details

Step-by-Step Procedures

Detailed instructions for installation, communication, and configuration.

Installing LISST-SOP Software

Instructions for installing the LISST-SOP software on a PC.

Establishing Communication with the LISST-200 X

Guide to connecting the LISST-200X to the computer and establishing communication.

Saving and Evaluating Clean Water Backgrounds

Procedures for acquiring and validating clean water background measurements for accurate data.

Configuring Data Collection

Steps to set up sampling parameters, operating modes, and start/stop conditions.

Using the Small External Battery Pack

How to use and maintain the small external battery pack for short-term deployments.

Using the Large External Battery Pack

Instructions for using the large external battery pack for long-term deployments.

Offloading and Deleting Data Files from Internal Memory

Procedures for transferring and managing data files stored on the instrument.

Processing a Single Raw Data File

Guide to processing raw data files (.RBN) into particle size distributions using LISST-SOP.

Batch Processing Multiple Raw Data Files

Method for processing multiple raw data files simultaneously.

View Processed Data File

How to view processed particle size distribution data and related parameters.

Data Quality Control

Essential checks for Laser Reference and Transmission values to ensure data validity.

Simple Real-Time Data Processing

Procedure for acquiring, displaying, and storing data in real-time.

Collecting Data from an External Analog Sensor

How to connect and collect data from external analog sensors.

Configuring the LISST-200 X as a Sensor for a CTD

Setting up the LISST-200X to function as an auxiliary sensor for a CTD.

Instrument Communication and Commands

Instrument Communication Overview

Details on data transmission via USB and RS-232, including terminal window usage.

LISST SOP Terminal Window Usage

How to open and use the terminal window for direct instrument interaction.

Command Summary Overview

Summary of commands for display, setup, and acquisition/action.

Display Commands

Summary of commands for viewing instrument status and configuration.

Setup Commands

Commands for configuring instrument settings like operating mode and start/stop conditions.

Acquisition;Action Commands

Commands for managing data collection, file operations, and instrument states.

Performance Optimization

Optical Alignment

Information on ensuring correct optical alignment for optimal instrument performance.

Background Measurement and its Importance

Explains the critical role of background measurements for accurate data.

Appendices and Warranty

Appendix A: Technical Specifications

Detailed technical specifications of the LISST-200X instrument.

Appendix B: Particle Size Bins

Defines the 36 size ranges used for particle size distribution analysis.

Appendix C: Data File Formats

Describes the various file types and extensions used by the LISST-SOP200X software.

Appendix D: Processing Data Files Using MATLAB

Matlab functions for processing LISST-200X data.

Appendix E: Connector Pinouts

Detailed wiring diagrams for the instrument's underwater connectors.

Appendix F: LISST-SOP Software Button Description

Explanations of the buttons and icons within the LISST-SOP software.

Appendix G: Spherical and Random Particle Shape Models

Discusses the models used for particle shape inversion in data processing.

Appendix H: Technical Assistance & Troubleshooting

Common issues and solutions related to data offloading and instrument querying.

Warranty Statement

Details the limited extended warranty provided by Sequoia Scientific.

Revision History

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