Table of Contents
Related Manuals for wtw LF 340
Summarization of Contents
Safety Guidelines
General Safety Precautions
Essential safety advice for instrument operation, handling, and maintenance.
SET Equipment
Included Instrument and Accessories
Lists and describes the components of the LF 330/340 SET package.
Control Elements - Display
Display Indicators and Modes
Explains various symbols, units, and status messages shown on the device display.
Control Elements - Status Indicators
Status Indicator Meanings
Details the meaning of different status indicators like LoBat, AR, Lin, and others on the device.
Control Elements - Keypad
Keypad Button Functions
Describes the function of each button on the instrument's keypad.
Control Elements - Rear Panel
Rear Panel Connector Descriptions
Identifies and explains the purpose of the sockets on the rear panel of the instrument.
Putting Into Operation - Battery
Battery Replacement Procedure
Instructions for replacing non-rechargeable batteries in the instrument.
Putting Into Operation - Mains/Rechargeable Battery
Mains and Rechargeable Battery Operation
Details on operating the instrument using mains power or rechargeable batteries.
Putting Into Operation - Startup and Status
Battery Status Display and Initial Startup
How to check battery status and perform the initial display test upon power-on.
Putting Into Operation - Settings
Setting Stored Values and Date/Time
Instructions for setting stored cell constant, temperature coefficient, date, and time.
Cell Constant
Cell Constant Determination
How to determine and calibrate the cell constant using a standard solution.
Connecting the Conductivity Cell
Instructions for connecting the conductivity measuring cell.
Cell Constant
Setting the Cell Constant Manually
Procedure for manually setting the cell constant value.
Cell Constant
Setting Fixed Cell Constants
How to select pre-defined cell constants (0.1 cm⁻¹ or 0.01 cm⁻¹).
Temperature Compensation
Selectable Temperature Functions
Overview of available temperature compensation modes: nLF, Linear, and None.
Temperature Compensation
Linear Temperature Function Setup
How to select and adjust the linear temperature compensation function.
Disabling Temperature Function
Procedure for turning off temperature compensation.
Measurement
Conductivity Measurement Prerequisites
Checks required before measuring conductivity, including cell constant and temperature settings.
Conductivity Measurement Ranges
Details of available measurement ranges and resolution for conductivity.
Measurement
Salinity Measurement
Instructions for performing salinity measurements.
TDS Measurement
Instructions for performing Total Dissolved Solids (TDS) measurements.
Probe Supervision
Probe Symbol Display
Information on when and why the probe symbol appears on the display.
Meaning of Probe Symbols
Interpretation of different symbols indicating probe evaluation and quality.
Calibration Interval
Calibration Interval Expiration
How to recognize and handle an expired calibration interval.
Data Logging
Memory Overview and Manual Storing
Details on memory capacity, data structure, and how to manually store measurements.
Data Logging
Automatic Storing Setup
Configuration steps for setting up automatic data storage intervals.
Data Logging
Identity Number for Automatic Storing
How to assign an identity number to stored measurements during automatic logging.
Data Logging
Stopping Automatic Storing
Instructions on how to manually stop the automatic data logging process.
Storage Full Indication
How the device indicates that the data memory is full.
Data Logging
Reading Data from Memory
Procedures for reading stored measurement data from the device's memory.
Memory Erasure
Erasing Stored Data
Instructions for erasing all stored measurement data from the device.
Analog Output
Analog Output Connection and Range
Information on connecting the analog output and its signal range.
Data Transmission
Serial Interface Setup
Configuration of serial interface parameters for data transmission.
Data Transmission
Remote Control and Calibration Protocol
Operating the instrument remotely and understanding calibration protocol details.
Data Transmission
Automatic Transmission Setup
Configuring automatic transmission of calibration protocols and measurement records.
Data Transmission
Timed Output Example
Example of timed data output during measurement operations.
Memory Data Transmission
How to transmit stored measurement data from memory via serial interface.
Data Transmission
Starting Data Transmission
Initiating transmission of calibration protocols and measurement data.
Setup Configuration
Parameter Setup Sequence
Guides through setting up parameters like Baud rate, Date, Time, and Interval times.
Reset Function
Resetting Measurement Functions
How to reset individual measurement functions to their default settings.
Troubleshooting - System Messages
Conductivity System Messages
Explains system messages related to conductivity measurements (OFL, E3) and their solutions.
General System Messages
Explains general system messages (e.g., LoBat, Timeout) and their remedies.
Accessories
General Accessories
Lists general accessories available for the instrument, such as cables and holders.
Accessories
Accessories for Conductivity Measurement
Lists specific accessories for conductivity measurements, including cells and standards.
Technical Data - Housing and Standards
Housing Specifications
Details about the instrument's physical dimensions, weight, and color.
EMC and VDE Standards
Information on protection degree, climate class, and EMC compliance.
Operating Conditions
Specifies operating and storage temperature ranges and relative humidity limits.
Power Supply Options
Details on battery types, operating time, and mains power adapters.
Technical Data - Interface and Memory
Time and Clock Accuracy
Specifications for the instrument's real-time clock accuracy.
Data Memory Specifications
Information on memory type, capacity, and timer settings.
Analog and Serial Output Details
Technical specifications for analog and serial data outputs.
Technical Data - Conductivity Measurement
Conductivity Measurement Ranges and Compensation
Covers measurement ranges, resolution, cell constant, reference temperature, and compensation modes.
Technical Data - Salinity, TDS, and Temperature
Salinity, TDS, and Temperature Specifications
Provides technical details for salinity, TDS measurements, and temperature sensing.
Technical Data - EMC Test Certificate
EMC Test Report Summary
Summary of compliance with electromagnetic compatibility requirements.
Technical Data - Manufacturer's Certificate
Use in Explosion-Hazardous Areas
Certificate confirming suitability for use in Zone 2 hazardous areas.
Application Reports
Recommended Conductivity Reports
Lists recommended application reports related to conductivity measurements.
TetraCon® 325 - Standard Conductivity Cell
Cell Components and Application Range
Details the components of the TetraCon® 325 cell and its application range.
TetraCon® 325 - Operation and Maintenance
Initial Setup and Cleaning
Instructions for connecting the cell and procedures for cleaning different types of contamination.
TetraCon® 325 - Operation and Maintenance
Cell Aging and Disposal
Information on the cell's lifespan, factors affecting it, and recommended disposal methods.
TetraCon® 325 - Plug Arrangement
8-Pin Plug Pinout
Diagram and pin assignment for the 8-pin connector of the TetraCon® 325 cell.
TetraCon® 325 - Technical Data
Electrodes, Dimensions, and Connections
Technical specifications for electrodes, physical dimensions, and connection types.
Temperature Measurement Specifications
Details on the thermistor type, range, response time, and accuracy.
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