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Tokyo Keiki KRG-10 User Manual

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Document No. KF13-001K
Microwave Level Gauge
RG-10
User's Guide

Table of Contents

Questions and Answers:

Tokyo Keiki KRG-10 Specifications

General IconGeneral
BrandTokyo Keiki
ModelKRG-10
CategoryIndustrial Equipment
LanguageEnglish

Summary

Safety Symbols

Warranty Terms and Conditions

Safety Instructions and Warnings

General Safety Adherence

Emphasizes following manual instructions and prohibiting unauthorized modifications.

Material and Component Safety

Warnings on handling toxic materials, O-ring selection, and gas leakage.

Leakage and Transfer Safety

Precautions against gas leaks from process connections and safe device transfer.

Ex Application and Device Protection Precautions

Ex Application Restrictions

Requirements for Ex application, including grounding and antenna sealing.

Device Protection Guidelines

How to protect the device from shocks, voltage, and environmental factors.

Hot Caution and Usage Precautions

General Usage Precautions

Pre-use checks and operational advice, including accessory verification.

Chapter 2 Installation

Installation Notes and Location

Important considerations and site selection criteria for optimal installation.

Tips for Stable Measurement

Tank Inlet and Narrow Channel Installation

Tank Installation Orientation

Pipe Installation Guidelines

Installation Procedures

Chapter 3 Electrical Installation

IP67 Waterproofing and Cable Gland Torque

Cable Shielding and Grounding

Chapter 4 Commissioning

Installation and Connection References

Setup Measurement Parameters

Setup Measurement Parameters

Configuring essential operational settings like basic and analog output parameters.

Analog Output Configuration

Chapter 5 LCD and Key Operation

4-Key Operation and Menu Navigation

Key Parameter List

Parameter Instructions

Volume Calculation Settings

Volume Calculation Settings

Configuring parameters for calculating tank volume based on geometry.

Flow Calculation Settings

Flow Calculation Settings

Configuring parameters for calculating flow rates using various methods.

Analog Output and Alarm Settings

Measurement Support and Delay Settings

Measurement Support and Delay Settings

Parameters for enhancing measurement accuracy and response times.

Surface Detection and Negative Level Settings

Noise Margin, Valid Window, and Bounce Handling

Noise Margin, Valid Window, and Bounce Handling

Filtering techniques for improving measurement quality by managing noise and echoes.

Bottom Visible and Window Settings

Tracking, Prediction, and Slow Search Functions

Tracking, Prediction, and Slow Search Functions

Features for monitoring and adapting to liquid level changes.

Empty Tank Detection Settings

Fixed Current Output for Calibration

Calibration Procedures

4mA and 20mA Calibration

Detailed steps for calibrating analog output signals.

Chapter 6 Software Operations

Software Installation and Uninstallation

Software Menus and Structure

Menu Bar Explanations

Connecting to the Device

Device Settings Menu

Basic Settings Configuration

Configuring fundamental device parameters like LCD indication and antenna type.

Application Setting Wizard

Analog Current Output Configuration

Analog Current Output Configuration

Setting up and managing analog output signals, including parameters and range.

Advanced Settings Menu

Measurement Support Settings

Parameters for enhancing measurement accuracy and stability.

Outlier Removal Configuration

Outlier Removal Configuration

Settings to filter out erroneous data points and improve measurement reliability.

Tracking Functionality

Tracking Functionality

Features for monitoring and predicting liquid level changes.

Device Calibration Procedures

Analog Calibration Menu

Accessing and performing analog calibration for output signals.

Level Calibration Settings

Level Calibration Settings

Configuring calibration for level measurements, including offset and span.

Device Check Functions

Echo Viewer Functionality

Echo Viewer Functionality

Analyzing echo data for measurement, including display range and echo curve.

Noise Table Operations

Noise Table Operations

Managing noise thresholds for better signal detection via editing or automatic settings.

Automatic Noise Table Setting

Automatic Noise Table Setting

Automatically generating noise table from echo data using various options.

Recording Echo Curve Data

Replaying Recorded Echo Data

Chapter 6.9 Measuring

Starting Measurement Operation

How to initiate device measurements and manage measurement periods.

Checking Measurement Values

Checking Measurement Values

Methods for verifying measured data by value and by graph.

Checking Parameters by Graph

Stopping Measurement and Logging Data

Stopping Measurement and Logging Data

Halting measurement and saving data to files.

Switching Measurement Modes

Reading Echo List Data

Double Bounce Offset Calculation

Double Bounce Offset Calculation

Calculating offset for double bounce echoes to improve accuracy.

Setting HART Variables

Measuring HART Variables

Tools Menu Functions

Device Reset Operations

Performing various reset functions like initialization, backup, recovery, and reboot.

Parameter Initialization and Backup/Recovery

Parameter Initialization and Backup/Recovery

Managing device parameters through initialization, backup, and recovery.

Error and Device Status Checks

Error and Device Status Checks

Reading and interpreting device status and error codes.

Chapter 7 Device Settings Precautions

Avoiding Noise Echo

Noise Masking Techniques

Strategies for reducing noise interference using antenna proximity and noise tables.

Setting Volume and Flow Calculations

Flow Calculation Settings

Tank Bottom Measurement, Calibration, and Smoothing

Tank Bottom Measurement, Calibration, and Smoothing

Precautions for tank bottom measurement, analog output calibration, and data smoothing.

Double Bounce Removal and Structure Effects

Double Bounce Removal and Structure Effects

Handling signal reflections and interference from tank structures.

Chapter 8 Maintenance and Inspection

General Maintenance, Ex Parts, and Peripherals

Routine care, specific instructions for Ex parts, and peripheral maintenance.

Terminal Module Replacement Procedure

Chapter 9 Dismounting and Disposal

Chapter 10 Technical Data

Transmitter Specifications

Transmitter Specifications

Detailed technical specifications for the transmitter unit.

Antenna Specifications

Device Function Summary

Chapter 11 Measurement Principle

Microwave Time-of-Flight Principle

Explanation of how microwave pulses measure distance and level.

Chapter 12 Troubleshooting

Tips for Solution and Device Status

Checkpoints for resolving common issues and confirming device status.

Application Errors and Solutions

Application Errors and Solutions

Troubleshooting specific application-related errors like incorrect values and noise.