Table of Contents
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Table of Contents
Related Manuals for horiba U-52G
Summarization of Contents
Preface
Warranty and Responsibility
Outlines the manufacturer's warranty terms and limitations of liability.
Trademarks
Lists registered and unregistered trademarks used in the manual.
Regulations
EU Regulations
Details compliance with EU standards and directives for the product.
Conformable Standards
Lists the specific EU standards the equipment conforms to.
Information on Disposal of Electrical and Electronic Equipment
Provides guidance on proper WEEE and battery disposal.
Authorised Representative in EU
Identifies the authorized representative in the European Union.
FCC Rules
Warning
Warns about potential interference with radio communications if not used correctly.
For Your Safety
Hazard Classification and Warning Symbols
Explains hazard classifications (DANGER, WARNING, CAUTION) and warning symbols used.
Hazard Classification
Defines the meaning of DANGER, WARNING, and CAUTION.
Warning Symbols
Explains the meaning of common warning symbols used in the manual.
Safety Label List
Lists the labels attached to the product and their corresponding hazard information.
Safety Precautions
Warning: Do Not Disassemble or Modify
Warns against disassembling or modifying the meter, which may cause overheating or fire.
Caution: Handling Glass Sensors
Advises careful handling of glass sensors and precautions for ingestion or eye contact with solutions.
Product Handling Information
Operational Precautions
General precautions for using the product as intended and maintaining performance.
General Use
Emphasizes using the product and accessories only for their intended purpose.
Sensor Probe Handling
Lists precautions for handling and using the sensor probe, including cleaning and environmental conditions.
Measurement Precautions
Measurement Guidelines
Provides precautions for performing measurements, like submerging probes and checking DO stabilization.
Calibration Notes
Notes on atmosphere calibration for DO electrode with salinity compensation.
Location of Use and Storage
Specifies storage temperature, humidity, and ideal storage locations.
Product Disposal
Advises following local laws and regulations for product disposal.
Manual Information
Description in this Manual
Explains the meaning of Note, Reference, and Tip icons used in the manual.
Original Language
States that the document is an English translation from Japanese.
Device Information
Measurement Parameters
Lists all measurable parameters and the models that support them.
Parts Name and Functions
Display Overview
Identifies and describes the components of the device display.
Sensor Probe (U-51)
Illustrates and names the parts of the U-51 sensor probe.
Basic Operation
System Setup
Guides on initial setup, including battery installation.
Inserting and Replacing Batteries
Step-by-step instructions for inserting and replacing the main unit batteries.
Attaching Sensors
Attaching the pH Sensor
Step-by-step guide for attaching the pH sensor.
GPS Unit Operation
GPS Locate Function
Steps to locate the device's current position using the GPS unit.
Settings
Setting Measurement Methods
Describes how to select measurement methods like single or interval measurement.
Compensation Settings
Salinity Compensation (DO)
Explains how to set salinity compensation for DO measurements.
System Settings
Display Language
Instructions for changing the display language to English or Japanese.
Calibration
Auto Calibration
Detailed steps for performing automatic calibration of multiple sensors.
Manual Calibration
Temperature (TEMP) Calibration
Steps for manual calibration of the temperature sensor.
Measurement Operations
Storing Data in Memory Manually (U-51/U-52/U-54)
Instructions for manually saving measurement data on U-51/52/54.
Automatic, Continuous Measurement
Interval Measurement
Steps for setting up and performing automatic interval measurements.
Data Operations
Displaying Data
Explains methods for displaying stored data by site, date/time, or all data.
Displaying Data by Site
Steps to view data for a specific measurement site.
GPS Data Operations
GPS Information
Steps to display acquired GPS location data.
USB Communication
Connecting the Cable
Instructions for connecting the dedicated PC connection cable.
Cautions for USB Communication
Safety and operational precautions for USB communication.
Communication Settings
Details the communication parameters for USB connection.
Commands
Instant Data Requests
Explains the format for requesting instant data via commands.
Maintenance
Contact for Maintenance
Provides contact information for maintenance services.
Routine Care
Guides on cleaning and maintaining the unit after measurement.
Every 2 Months Maintenance
Dissolved Oxygen (DO) Sensor Maintenance
Maintenance steps for the DO sensor, including membrane cap and electrode care.
Reference Electrode Maintenance
Maintenance for the reference electrode, including filling the internal solution.
Storage Procedures
Short-Term Storage (Under 2 Months)
Procedures for storing the DO and pH sensors short-term.
Long-Term Storage (2 Months or More)
Procedures for long-term storage, including battery removal.
Troubleshooting
Error Displays
Lists common errors, their causes, and solutions for the probe.
Sensor Information Error Displays
Unstable Sample Error
Causes and solutions for unstable sample readings.
Measurement Sequence Errors
Error in measurement sequence, e.g., probe repair needed.
Out of Measurement Range Errors
Error when measurement is outside supported ranges.
Last Calibration Invalid Error
Error indicating the last calibration failed.
Calibration Invalid Error
Error indicating calibration value is factory default.
Background Unstable Error
Error due to sensor exposure to direct light or rapid turbidity changes.
Specifications
Sensor Probe Specifications
Lists specifications for the sensor probe, including temperature range and materials.
Control Unit Specifications
Lists specifications for the control unit, including dimensions, LCD, and battery life.
Measurement Specifications
pH Measurement Specifications
Details measurement method, range, and precision for pH.
DO Measurement Specifications
Details measurement method, range, and precision for DO, including salinity conversion.
Electrical Conductivity Specifications
Details measurement method, range, and precision for conductivity.
Salinity Measurement Specifications
Details measurement method, range, and precision for salinity.
TDS Measurement Specifications
Details measurement method and parameters for TDS.
Seawater Specific Gravity Specifications
Details measurement method and parameters for seawater specific gravity.
Additional Measurement Specifications
Temperature Measurement Specifications
Details measurement method, range, and precision for temperature.
Turbidity Measurement Specifications
Details measurement method, range, and precision for turbidity.
Water Depth Measurement Specifications
Details measurement method, range, and precision for water depth.
ORP Measurement Specifications
Details measurement method, range, and precision for ORP.
Reference Information
Consumable Parts: Sensors
Lists consumable sensors, their models, numbers, and descriptions.
Consumable Parts: Solutions
Lists consumable standard and inner solutions with details.
pH Measurement Details
Principle of pH Measurement
Explains the glass electrode method for pH measurement.
Temperature Compensation for pH
Explains temperature compensation for pH measurement.
Standard Solutions for pH Calibration
Lists standard solutions required for pH meter calibration.
DO Measurement Details
Principle of DO Measurement
Explains the principle of dissolved oxygen measurement using a polarographic sensor.
Conditioning of DO Sensor
Explains the conditioning process for the DO sensor.
Atmospheric Pressure Compensation (DO)
Relation of Altitude and Air Pressure
Provides data on the relation between altitude and air pressure.
Conductivity (COND) Measurement
Four-AC-Electrode Method Principle
Explains the principle of the four-AC-electrode method for conductivity measurement.
σt Conversion
Specific Gravity of Seawater
Explains specific gravity of seawater and its relation to density and salinity.
Turbidity (TURB) Measurement
Principle of Turbidity Measurement
Explains how turbidity is measured using transmitting and scattering methods.
Standard Solutions for Turbidity
Lists standard solutions used for turbidity calibration.
Depth (DEPTH) Measurement
Principle of Depth Measurement
Explains the principle of depth measurement using a pressure gauge.
Influence of Temperature and Calibration
Explains how temperature affects depth sensor accuracy.
Oxidation Reduction Potential (ORP) Measurement
Principle of ORP Measurement
Explains ORP as the energy level based on redox states in a solution.
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