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Hioki PQ3100 User Manual

Hioki PQ3100
242 pages
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Table of Contents

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Hioki PQ3100 Specifications

General IconGeneral
BrandHioki
ModelPQ3100
CategoryMeasuring Instruments
LanguageEnglish

Summary

Introduction to the PQ3100 Power Quality Analyzer

Registered Trademarks Information

Lists registered trademarks used in the manual.

Verifying Package Contents and Options

Included Accessories List

Lists included accessories such as voltage cords, AC adapter, battery pack, and cables.

Safety Information and Precautions

Understanding Hazard Notation

Explains hazard symbols and their meanings for safe operation.

Instrument and Standards Symbols

Explains symbols found on the instrument and for various standards.

Accuracy Specification Definitions

Defines terms related to measurement tolerances: f.s., rdg., and dgt.

Essential Protective Gear Usage

Advises on using protective gear to prevent electric shock when measuring live lines.

Measurement Categories for Safe Operation

IEC 61010 Measurement Categories Explained

Explains IEC 61010 measurement categories (CAT II, III, IV) for safe operation.

Operating Precautions for Safe Use

Preliminary Checks Before Operation

Advises checking the instrument for damage and proper operation before use.

Safe Installation Environment Guidelines

Lists locations to avoid for instrument installation to prevent malfunctions or accidents.

Proper Instrument Handling Procedures

Advises careful handling to avoid damage from physical shock, especially dropping.

Handling Cords, Cables, and Adapters Safely

Cords and Cables Handling Warnings

Provides warnings about using damaged or exposed cords and cables.

Battery Pack Usage and Charging Precautions

Details precautions for using, charging, and storing the battery pack.

Strap Attachment and SD Card Usage

Instructions for attaching the strap and precautions for handling SD memory cards.

AC Adapter Usage and Instrument Power-On

Warnings and precautions for using the AC adapter and turning the instrument on.

Wiring and USB Cable Connection Safety

Provides critical safety warnings regarding wiring, short-circuiting, and USB cable usage.

External Device Connection and I/O Terminal Safety

Advises on connecting external devices and safety for I/O terminals.

1 Overview of the PQ3100 Analyzer

1.1 Procedure for Investigating Power Quality

Describes the systematic process for investigating power quality issues and identifying causes.

Power Quality Investigation Steps

Step 2: Identify Malfunctioning Component

Guides on identifying the location, timing, and type of investigation for power quality issues.

Step 3: Collect Site Data for Investigation

Details collecting site data like wiring, frequency, and current capacity for investigation preparation.

Step 4: Measurement Procedure

Outlines the steps for making measurements: preparations, settings, connections, and recording.

Investigating Power Quality Issues

Measured Value Check Procedure

Instructions on checking measured values using the MONITOR screen.

Starting Data Recording

How to start recording measurements using the START/STOP key.

Data Analysis and Action Steps

Steps for analyzing data and taking preventive measures after recording.

Identifying Causes of Power Quality Abnormalities

Abnormality Cause Identification Advice

Tips for identifying causes, including recording trends and checking for heat/sounds.

1.2 Product Overview and Key Features

PQ3100 Analyzer Capabilities Overview

Overview of the PQ3100's capabilities: simultaneous recording, guided procedures, and data analysis.

Key Features of the PQ3100

Highlights key features like long-term waveform recording, DC measurements, safety compliance, and battery operation.

1.4 Names and Functions of Parts

Identifies front panel operation keys, screen switching keys, and their functions.

Component Identification: Upper Section

Details the upper section's components: voltage and current input terminals.

Component Identification: Right and Back Panels

Identifies right side interfaces and back panel components: MAC address label, serial number, and battery compartment.

1.5 Screen Navigation and Configuration

Screen Configuration Overview

Explains how to display and switch between the seven available screens using operation keys.

MONITOR Screen Functionality

Describes the MONITOR screen for viewing instantaneous values, waveforms, and measured data.

TREND Screen for Fluctuation Analysis

Explains the TREND screen for checking fluctuations and trends of measured values.

EVENT Screen for Event Status

Describes the EVENT screen for viewing event status and lists of occurred events.

WIRING Screen for Connection Check

Explains the WIRING screen for checking wiring settings and connection status.

SET UP Screen for System Configuration

Details the SET UP screen for configuring various settings like measurement, recording, and system parameters.

FILE Screen for Data Operations

Describes the FILE screen for file operations like listing, saving, and deleting data from SD card and internal memory.

QUICK SET Screen for Simplified Setup

Explains the QUICK SET screen for easy setup of minimum recording/measurement requirements.

1.6 Basic Key Operations and Character Input

Basic Key Operations: Changing Items

Explains how to change items and navigate menus using the instrument's keys.

Character Input Method

Instructions on how to input characters using the instrument's interface.

1.7 Screen Display Elements

Screen Display Overview

Identifies key elements of the screen display, including operation status and indicators.

1.8 Error Screen Display Interpretation

Error Screen Display Guide

Explains how various error conditions are indicated on the screen display, such as voltage/current overrange.

2 Preparing for Measurement

2.1 Preparation Flowchart

Provides a flowchart of the initial setup and preparation steps required before measurement.

Initial Measurement Preparations

2.2 Initial Measurement Preparations

Details initial preparations, including color coding of current sensors for identification.

Bundling Cords and Sensors

Instructions on how to group and bundle cords and sensors using spiral tubes.

Installing the Battery Pack

Step-by-step guide for installing the Z1003 battery pack, including charging.

Attaching the Strap

Instructions for attaching the instrument strap securely.

Setting Language, Clock, and Frequency

Guide for initial setup of language, date/time, and measurement frequency.

2.3 Pre-measurement Inspection

Procedures for inspecting voltage cords, current sensors, AC adapter, and the instrument itself before use.

2.4 Inserting the SD Memory Card

Step-by-step instructions for inserting the SD memory card, including removal.

2.5 Power Supply Connection

Details on connecting the AC adapter for power supply and charging the battery.

2.6 Turning On/Off the Instrument

Instructions for turning the instrument on and off, including the self-test procedure.

2.7 Instrument Warm-up Procedure

Advises allowing the instrument to warm up for 30 minutes for accurate measurements.

3 Quick Set Functionality

3.1 Configurable Items List

Lists items that can be configured using the Quick Set function, such as wiring and current range.

3.2 Adding Custom Settings

Explains how to apply additional settings in combination with Quick Set for desired recording configurations.

4 Wiring Procedures (WIRING Screen)

4.1 Wiring Procedure Overview

Outlines the procedure for connecting voltage cords and current sensors without using Quick Set.

4.2 Wiring Method and Declared Input Voltage Settings

Explains how to set the wiring method and declared input voltage, referencing the wiring diagram.

Wiring Method Selection Details

Details the selection of wiring methods for CH1-CH3 and ON/OFF for CH4.

Declared Input Voltage Setting Procedure

Explains setting the declared input voltage for measurement, referenced in event settings.

Wiring Diagram Illustrations

Shows wiring diagrams for various measurement modes, illustrating ideal states.

4.3 Connecting Voltage Cords to Instrument

Instructions on connecting voltage cords, including alligator clips and magnetic adapters.

4.4 Connecting Current Sensors and Settings

Guide on connecting current sensors and configuring their settings, including color coding.

Connecting Non-Optional Current Sensors

Details on selecting and connecting current sensors that are not optional.

4.5 Performing Zero Adjustment

Explains how to perform zero adjustment for DC components in voltage and current for accurate measurements.

4.6 Connecting Voltage Cords to Objects

Instructions on connecting voltage cords to measuring objects like bus bars and screws.

4.7 Attaching Current Sensors to Objects

Guide on properly attaching current sensors to conductors for load and leakage current measurement.

Leakage Current Measurement Procedures

Details on performing leakage current measurements using grounding wire or batch methods.

4.8 Configuring Current Range Setting

Explains how to check current values and select appropriate current ranges for sensors.

4.9 Checking Wiring Connections

Describes the wiring check screen and how to interpret results (PASS, FAIL, CHECK).

Handling Wiring Judgment Failures

Steps to take when wiring judgment results indicate issues, including re-checking connections.

Wiring Judgment Items and Confirmation Steps

Table detailing judgment conditions and confirmation steps for voltage input, current, phase, and power factor.

5 Setting Change (SET UP Screen)

5.1 Measurement Settings Configuration

Details on configuring measurement settings like wiring method, declared input voltage, and current sensors.

SET UP, Measurement Settings 2 Screen

Configuration of power factor, reactive power, THD, and energy cost settings.

Voltage Display and Calculation Method Settings

Selecting voltage display format, calculation methods for power factor, THD, and energy cost.

Unit Cost and Currency Input

Steps for inputting unit cost values and setting currency for energy cost calculations.

5.2 Recording Settings Configuration

Configuration of recording parameters like storage destination, interval, items, and screen copies.

Recording Start and Stop Method Settings

Setting the method for starting and stopping recording (Manual, Specified time, Repeat, Timer).

Folder and File Name Settings

Options for setting folder and file names for saving data, including variable and automatic naming.

5.3 Event Settings Configuration

Configuration of event detection thresholds for voltage, frequency, inrush current, and harmonics.

Frequency and Harmonic Distortion Thresholds

Setting threshold values for frequency, voltage/current harmonic distortion, and inrush current.

Event Hysteresis Setting

Setting hysteresis for event thresholds to avoid frequent triggering.

SET UP, Event Settings 2 Screen Options

Configuring timer events, external events, and event waveform recording times.

5.4 System Settings Configuration

Settings for clock, beep sound, backlight, display language, display color, and phase names.

System Reset Procedure (Default)

Procedure for resetting system settings to factory defaults, excluding measurement frequency and clock.

Factory Reset Procedure

Instructions for performing a factory reset, which reverts all settings to default and erases internal memory.

Factory Settings Overview Table

Table listing default values for various settings, including parameters not initialized in Quick Set or System Reset.

Interface Settings Configuration

Configuration for network interfaces (DHCP, IP address), FTP, Send Mail, RS-232C, and external output.

6 Verifying Waveforms and Measured Values (MONITOR Screen)

Fixing Waveform Display and Measured Values

How to use the Hold function to fix waveform display and measured values.

6.1 Verifying Voltage and Current Waveforms

Explains how to view and interpret overlapping voltage and current waveforms on the MONITOR screen.

Waveform Zooming and Scrolling

How to adjust zoom factors and scroll waveforms displayed on the screen.

Cursor Measurement on Waveforms

Using the cursor to view specific measured values and time points on waveforms.

6.2 Verifying Electric Power (Numerical Values)

Viewing electric power, apparent power, active power, and reactive power values.

6.3 Verifying Electric Energy Consumption

Monitoring electric energy (consumption/regeneration), energy cost, and elapsed time.

6.4 Verifying Detailed Voltage Information

Viewing detailed voltage information including RMS, peak, DC value, crest factor, and harmonic distortion.

6.5 Verifying Detailed Current Information

Viewing detailed current information including RMS, peak, DC value, crest factor, and harmonic distortion.

6.6 Verifying Vector Diagrams

Interpreting the vector diagram for voltage and current phase relationships and unbalance factors.

6.7 Verifying Harmonics Graph and Numerical Values

Analyzing harmonic data through graphs and numerical lists, including voltage, current, and power harmonics.

7 Recording and Saving Data (SET UP Screen)

7.1 Start and Stop of Recording

Instructions for manually starting and stopping recordings, and setting automatic start/stop times.

Recording Start Timing Options

How recording starts based on interval timing, including handling cases where the set time has passed.

Repeat Recording Setup Procedures

Details on setting up repeat recording based on time periods and intervals.

Monitoring Recording Operation Status

How to determine recording status (stopped, standby, in progress) from screen background and LED indicators.

7.2 Using Instrument During Power Interruption

How the instrument operates during power interruptions, including battery backup and data safety.

8 Verifying Trends (Fluctuations) in Measured Values (TREND Screen)

Trend Data Display Limitations

Notes on data display limitations and overwriting old data with new time series data.

Cursor Measurement on Trend Graphs

How to view specific measured values and times using the cursor on trend graphs.

Scrolling Trend Graphs

Instructions on scrolling trend graphs in all directions using the arrow keys.

Event Search Functionality on TREND Screen

How to search for and view specific events on the TREND screen, including accessing the EVENT MONITOR screen.

8.1 Verifying the Basic Trend

Analyzing basic trend data, showing fluctuations in maximum, minimum, and average values.

Setting Basic Trend Display Parameters

Setting display parameters for the basic trend graph, such as frequency and voltage types.

Selecting Display Channel for Trends

Selecting display channels based on items and wiring settings.

Choosing Basic Trend Graph Types

Choosing graph types (MAX, MIN, AVG, ALL) for displaying trend data.

Adjusting Vertical Zoom on Trend Graphs

Adjusting the vertical zoom factor for graphs.

Adjusting Horizontal Zoom on Trend Graphs

Adjusting the horizontal zoom factor for trend graphs.

8.2 Verifying the Detail Trend

Checking fluctuation ranges of max/min values per wave or half-wave for detailed trend analysis.

8.3 Verifying Electric Energy Trends

Monitoring electric energy trends, including active, reactive, apparent energy, and energy cost.

8.4 Verifying Demand Trends (Firmware Update Required)

Checking demand trends, available after firmware update.

8.5 Verifying Harmonic Trends (Firmware Update Required)

Monitoring trends of harmonics and interharmonics, available after firmware update.

8.6 Verifying Flicker Trends (Firmware Update Required)

Checking trends of IEC flicker or ∆V10 flicker, available after firmware update.

9 Checking Events (EVENT Screen)

EVENT Screen Overview

Overview of the EVENT screen for viewing event lists and trend data.

Event Data Saving Details

Table showing how saved items vary based on the event type.

Event Parameter Details

Detailed breakdown of event parameters, their notation, IN/OUT support, measurement items, and saved data.

9.1 Checking the Event List

How to check the list of occurred events, sorted by order of occurrence.

Viewing Event Details

Steps to select an event number and view its detailed information, including waveform and graph.

9.2 Checking Event Status

Procedure to display the EVENT MONITOR screen for checking waveforms and measured values of events.

Switching Event Monitor Screens

Explains how to switch between different views (trend data, waveform, electric power, etc.) within the EVENT MONITOR screen.

Checking Trend Data Associated with Events

How to display and analyze event trend data (swell, dip, interruption, inrush) in a time series graph.

Checking Transient Waveforms During Events (Firmware Update Required)

How to check transient waveforms during events, available after firmware update.

10 File Saving and Operations (FILE Screen)

Data Saving Options Overview

Table listing data types, extensions, formats, and where they can be saved (SD card or internal memory).

10.1 Viewing and Using FILE Mode Screen

How to access and use the FILE screen to view contents of SD card and internal memory.

FILE Mode Key Functions

Explains the functions of keys used in the FILE mode, such as Load, Save, Copy, Delete, and Format.

10.2 Folder and File Structure on SD Memory Card

Describes the required PQ3100 base folder structure on the SD memory card for saving data.

SD Memory Card Folder Structure Details

Details the folder structure for saving screen copies, setting data, measured data, and events on the SD card.

Internal Memory Storage and Data Transfer

Explains how data is stored in internal memory, including limitations and transfer to SD card.

10.3 Saving Screen Hard Copies

How to save the current screen display as a BMP file on the SD memory card.

10.4 Saving Instrument Setting Files

Instructions on saving the instrument's current settings to the SD memory card or internal memory.

10.5 Loading Instrument Setting Files

How to restore the instrument's settings from saved files on the SD card or internal memory.

10.6 Loading Measured Data for Review

How to load measured data from SD memory card or internal memory to check values on the instrument.

10.7 Copying Internal Memory to SD Card

Procedure for copying folders and files from internal memory to the SD memory card.

10.8 Deleting Folders and Files

How to delete folders and files stored on the SD memory card or internal memory.

10.9 Formatting SD Memory Card (Deleting All Files)

Instructions on formatting the SD memory card or internal memory, including important notes on card compatibility and performance.

10.10 Removing SD Memory Card During Recording

Safe procedure for removing the SD memory card during recording to prevent data damage.

11 Data Analysis with a Computer

11.1 Copying Files to Computer

Available methods for copying data to a computer, using SD card readers or USB cables.

Copying Data Using SD Memory Cards

Step-by-step guide for copying data from SD memory card to a computer using File Explorer.

Copying Data Using USB Cable Connection

Instructions for connecting the instrument to a computer via USB to copy data, including troubleshooting tips.

11.2 Using Application Software PQ One

Details the capabilities of the PQ One software for analyzing instrument data, creating graphs, and generating reports.

PQ One Software Installation Guide

Information on the contents of the included CD and the operating environment required for software installation.

PQ One Software Installation Procedure

Step-by-step guide for installing the PQ One application software on a computer.

12 Communications Interfaces (USB/LAN/RS-232C)

Communication Capabilities Overview

Table summarizing the instrument's communication capabilities via USB, LAN, and RS-232C interfaces.

12.1 Preparing for LAN Communications

Tasks required for LAN communication: configuring instrument settings, building network environment, and connecting cables.

LAN Settings Configuration via SET UP Screen

Configuration of LAN settings like IP address, subnet mask, and default gateway.

Network Environment Setup Examples

Examples of setting up network environments for existing networks or single computer connections.

LAN Connection Procedures

Guidance on connecting the instrument to a network using LAN cables and verifying transmission/reception status.

12.2 Remote Control via Internet Browser (LAN Only)

How to remotely control the instrument via a web browser using its HTTP server function.

Troubleshooting HTTP Display Issues

Troubleshooting steps for displaying the HTTP screen, including browser and LAN settings.

Performing Remote Operation

Steps for performing remote operation, including entering passwords and navigating the browser interface.

Restricting Access with Password Settings

How to set and manage passwords for restricting access to the instrument's remote control features.

12.3 RS-232C Communication Preparations

Steps for configuring RS-232C communication settings and connecting the instrument to a computer.

13 External I/O Interface

External I/O Terminals Overview

Overview of external I/O terminals for event signal input and output to external devices.

Using Event Input Terminals

Tasks for using event input terminals, including setting and connecting.

Using Event Output Terminals

Tasks for using event output terminals, including setting and connecting.

13.1 Event Input Function Details

Details on the event input function, signal input methods, specifications, and timing charts.

13.2 Event Output Functionality

Explains how the instrument outputs signals to external devices synchronized with events, including circuit diagrams and specifications.

13.3 External Event Output Settings

Configuring external output settings like pulse type (short, long, ∆V10 alarm) and output behavior.

13.4 External Device Connection Procedure

Guide on using cables to connect the instrument to external devices and wire connection procedures.

14 Specifications

14.1 General Specifications

General specifications covering operating environment, temperature, storage, standards, power, recharge, operating time, and dimensions.

14.2 Input/Output/Measurement Specifications

Details basic specifications including channels, terminals, wiring, input methods, resistance, voltage ratings, and measurement methods.

Measurement Items List

Lists various measurement items and their corresponding wiring notations and measurement cycles.

Accuracy Specifications Details

Details accuracy specifications, conditions for guaranteed accuracy, and effects of common mode voltage and external magnetic fields.

Transient Overvoltage Measurement Specifications

Specifications for transient overvoltage measurement, including method, displayed items, range, and event detection.

Frequency Cycle Measurement Specifications

Specifications for frequency cycle measurements, including method, range, and event detection.

RMS Voltage Refreshed Each Half-Cycle Specifications

Specifications for RMS voltage measurements refreshed each half-cycle.

RMS Current Refreshed Each Half-Cycle Specifications

Specifications for RMS current measurements refreshed each half-cycle.

Swell Measurement Specifications

Specifications for swell events, including measurement method, displayed items, range, and event detection.

Dip Measurement Specifications

Specifications for dip events, including measurement method, displayed items, range, and event detection.

Interruption Measurement Specifications

Specifications for interruption events, including measurement method, displayed items, range, and event detection.

Inrush Current Measurement Specifications

Specifications for inrush current measurements, including method, displayed items, range, and event detection.

Frequency Measurement Specifications (10s and 200ms)

Specifications for 10-second and 200-ms frequency measurements, including event thresholds.

Waveform Peak Measurement Specifications (Voltage and Current)

Specifications for measuring voltage and current waveform peaks.

RMS Voltage and Current Measurement Specifications

Specifications for RMS voltage and current measurements, including accuracy and sensor dependency.

DC Voltage and Current Measurement Specifications

Specifications for measuring voltage DC and current DC values.

CF Value Measurement Specifications (Voltage and Current)

Specifications for voltage and current crest factor measurements.

Active and Apparent Power Measurement Specifications

Specifications for active and apparent power measurements, including displayed items, range, accuracy, and influence factors.

Reactive Power Measurement Specifications

Specifications for reactive power measurements, including RMS and fundamental wave calculations.

Energy and Energy Cost Measurement Specifications

Specifications for energy measurements (active, reactive, apparent) and energy cost calculation.

Power Factor and DPF Measurement Specifications

Specifications for power factor and displacement power factor measurements.

Harmonic Voltage and Current Specifications

Specifications for harmonic voltage and current measurements, including analysis window and accuracy.

Interharmonic Voltage and Current Specifications

Specifications for interharmonic voltage and current measurements.

Harmonic Phase Angle Specifications

Specifications for harmonic voltage and current phase angle measurements.

Voltage and Current THD Specifications

Specifications for Voltage and Current THD measurements, including display selection and event thresholds.

Voltage Unbalance Factor Specifications

Specifications for voltage unbalance factor measurements.

Current Unbalance Factor Specifications

Specifications for current unbalance factor measurements.

K Factor Measurement Specifications

Specifications for K Factor measurements.

RMS Frequency Characteristics

RMS frequency characteristics for voltage, current, and power.

14.3 Flagging Concept for Data Reliability

Explains the IEC61000-4-30 flagging concept for unreliable data during events like dips and swells.

14.4 QUICK SET Specifications

QUICK SET Screen Overview

Overview of the QUICK SET screen and its functions.

Easy Settings Course Options

Details of the easy settings course for different modes like Voltage events, Inrush current, Trend record only, and EN50160.

14.5 Event Specifications

Event Detection Methods

How events are detected, including interval, external events, and manual events.

Event-Synchronized Save Functionality

How event waveforms and trend data are saved synchronously with events.

Event Contents Data Saving Table

Table indicating which event parameters are saved as waveforms and trend data.

Event Parameter Details

Detailed breakdown of event parameters, their notation, IN/OUT support, measurement items, and saved data.

14.6 Interface Specifications

SD Memory Card Interface Details

Specifications for the SD memory card slot, compatible cards, format, and supported functions.

LAN Interface Specifications

Specifications for the LAN interface, including connector, electrical specs, transmission, protocol, and functions.

USB Interface Specifications

Specifications for the USB interface, including connector, method, connection destination, and functions.

RS-232C Interface Specifications

Specifications for the RS-232C interface, including connector, method, communication speed, and functions.

External Control Interface Specifications

Specifications for external control interfaces, including event input/output terminals and low-level output pulse width.

14.7 Calculation Formulas

RMS Voltage/Current, Dip, Swell, Interruption, Inrush Formulas

Formulas for calculating RMS voltage/current, dips, swells, interruptions, and inrush current across different wiring methods.

Active Power (P) Calculation Formulas

Formulas for calculating active power (P) for various wiring configurations.

DC Voltage and Current Calculation Formulas

Formulas for calculating Voltage DC and Current DC values.

Apparent Power (S) Calculation Formulas

Formulas for calculating apparent power (S) for different wiring types, including RMS and fundamental wave calculations.

Reactive Power (Q) Calculation Formulas

Formulas for calculating reactive power (Q) for different wiring types, including RMS and fundamental wave calculations.

Power Factor (PF) and DPF Calculation Formulas

Formulas for calculating power factor (PF) and displacement power factor (DPF).

Energy Calculation Formulas (Active, Reactive, Apparent, Cost)

Formulas for calculating active, reactive, apparent energy, and energy cost.

Unbalance Factor Calculation Formulas

Formulas for calculating voltage and current unbalance factors.

Harmonic Calculation Formulas (Voltage, Current, Power)

Formulas for calculating harmonic and interharmonic voltage and current.

Harmonic Phase Angle Calculation Formulas

Formulas for calculating harmonic phase angles.

Voltage and Current THD Calculation Formulas

Formulas for calculating Voltage and Current THD.

Averaging Methods for Measurements

Describes averaging methods for various measurement items.

14.8 Range Configuration and Combination Accuracy

CT7131 AC Current Sensor Range Configuration

Power range configurations and combination accuracy for CT7131 AC Current Sensor.

CT7136 AC Current Sensor Range Configuration

Power range configurations and combination accuracy for CT7136 AC Current Sensor.

CT7126 AC Current Sensor Range Configuration

Power range configurations and combination accuracy for CT7126 AC Current Sensor.

CT7731 AC/DC Auto-Zero Sensor Range Configuration

Power range configurations and combination accuracy for CT7731 AC/DC Auto-Zero Current Sensor.

CT7736 AC/DC Auto-Zero Sensor Range Configuration

Power range configurations and combination accuracy for CT7736 AC/DC Auto-Zero Current Sensor.

CT7742 AC/DC Auto-Zero Sensor Range Configuration

Power range configurations and combination accuracy for CT7742 AC/DC Auto-Zero Current Sensor.

CT7044/CT7045/CT7046 AC Flexible Sensor Range Configuration

Power range configurations and combination accuracy for CT7044/CT7045/CT7046 AC Flexible Current Sensors.

CT7116 AC Leakage Current Sensor Range Configuration

Power range configurations and combination accuracy for CT7116 AC Leakage Current Sensor.

15 Maintenance and Service

Calibration Information and Procedures

Information on calibration frequency and contacting Hioki for calibration services.

15.1 Troubleshooting Common Issues

Troubleshooting guide for common issues like SD card errors, display problems, and key malfunctions.

Replaceable Parts and Lifetimes

Information on replaceable parts like batteries and LCD backlight, and their expected operating lifetimes.

15.2 Cleaning the Instrument

Instructions for cleaning the instrument and its LCD screen.

15.3 Error Indication Codes

Lists system and file error codes, their causes, and corrective actions for the instrument.

SD Card Error Code Resolution

Lists SD card error codes, their causes, and corrective actions, including compatibility and formatting issues.

Internal Memory and Operation Error Codes

Error codes related to internal memory issues (full, corrupt) and their resolution.

15.4 Instrument Disposal Guidelines

Instructions for safely disposing of the instrument and its battery according to local regulations.

Appendix 1: Fundamental Measurement Items

Measurement Items Display List

Lists measurement items and their corresponding display notations.

Appendix 3: Explanation of Power Quality Parameters and Events

Event Explanation: Transient Overvoltage

Explanation of transient overvoltage events, their causes, and primary faults.

Event Explanation: Voltage Swell

Explanation of voltage swell events, their causes, and primary faults.

Event Explanation: Voltage Dip (Sag)

Explanation of voltage dip events, their causes, and primary faults.

Event Explanation: Interruption

Explanation of interruption events, their causes, and primary faults.

Event Explanation: Frequency Fluctuations

Explanation of frequency fluctuations, their causes, and primary faults.

Event Explanation: Harmonics

Explanation of harmonics, their causes, and primary faults.

Event Explanation: Interharmonics

Explanation of interharmonics, their causes, and primary faults.

Event Explanation: Inrush Current

Explanation of inrush current, its causes, and potential events.

Event Explanation: Flicker (Firmware Update Required)

Explanation of flicker phenomena, causes, and measurement items, available after firmware update.

Event Explanation: Unbalance

Explanation of unbalance in voltage and current, causes, and primary faults.

High-Order Harmonic Component Explanation

Explanation of high-order harmonic components and their potential impact.

Appx. 4 Event Detection Methods

Transient Overvoltage Detection Method

Measurement method and recorded data for transient overvoltage events.

Transient Waveform Diagram

Diagram illustrating transient waveform detection.

Event IN/OUT for Transients

Defines Event IN and Event OUT for transient overvoltage detection.

Voltage Swells, Dips, Interruptions Detection

How voltage swells, dips, and interruptions are detected using RMS voltage measurements.

Event IN/OUT for Voltage Events

Defines Event IN and OUT for voltage swells, dips, and interruptions.

Frequency (200 ms) Detection Method

Measurement method for frequency (200 ms) and its event detection criteria.

Event IN/OUT for Frequency (200 ms)

Defines Event IN and OUT for frequency (200 ms) detection.

Frequency (1 wave) Detection Method

Measurement method for frequency (1 wave) and its event detection criteria.

Event IN/OUT for Frequency (1 wave)

Defines Event IN and OUT for frequency (1 wave) detection.

THD Event Detection Method

How voltage and current THD events are detected based on calculated values and thresholds.

Inrush Current Detection Method

Measurement method and event detection for inrush current.

Event IN/OUT for Inrush Current

Defines Event IN and OUT for inrush current detection.

Timer Event Recording Procedure

How timer events are generated and recorded at set intervals.

External Event Detection Method

How external events are detected via EXT I/O terminals.

Manual Event Recording Procedure

How manual events are generated by pressing the MANUAL EVENT key.

Appx. 5 Recording Trends and Event Waveforms

Trend Screen Recording Method

Explains the recording methods for basic and harmonics trend screens.

Basic and Harmonics Trend Recording (Firmware Update Required)

Details on recording basic and harmonics trends, available after firmware update.

Detailed Trend Recording Explanation

Explanation of detailed trend recording, showing RMS voltage refreshed each half-cycle.

Recording Event Waveforms

How waveforms observed in 200-ms aggregation periods are recorded as event waveforms.

Event Waveform Recording Period

Specifies the recording period for event waveforms based on frequency (50 Hz/60 Hz).

Event Recording for 200-ms Aggregation

Diagram illustrating event recording for 200-ms aggregation.

Event Recording for 1-cycle or Half-cycle

Diagram illustrating event recording for 1-cycle or half-cycle data.

Verifying Aggregation Values by IEC61000-4-30

How to verify aggregation values for magnitude of supply voltage, harmonics, and unbalance according to IEC61000-4-30.

IEC Flicker Measurement (Firmware Update Required)

Information on measuring IEC flicker, available after firmware update.

Appx. 6 IEC Flicker and ∆V10 Flicker Explanation (Firmware Update Required)

IEC Flicker Meter Overview

Explanation of the IEC flicker meter and its function diagram.

Flicker Weighting Filter Selection

How to select weighted filters for lamp systems.

Flicker Statistical Processing Method

How flicker statistics are compiled using cumulative probability function.

Short Interval Flicker (Pst) Calculation

Definition and calculation of short interval flicker (Pst).

Long Interval Flicker (Plt) Calculation

Definition and calculation of long interval flicker (Plt).

∆V10 Flicker Meter Overview

Explanation of the ∆V10 flicker meter and its calculation method.

∆V10 Flicker Function Diagram

Diagram illustrating the ∆V10 flicker function.

∆V10 Perceived Flicker Coefficient Graph

Graph showing the ∆V10 perceived flicker coefficient.

Appx. 7 3-phase 3-wire Measurement

3P3W3M Measurement Method Explanation

Explanation of 3-phase/3-wire/3-wattmeter measurement, including active power calculation.

3P3W2M Measurement Method Explanation

Explanation of 3-phase/3-wire/2-wattmeter measurement and active power derivation.

Calculation Notes for 3-Phase Measurement

Notes on using calculated values for reactive power, apparent power, and power factor, and limitations of 2-wattmeter measurement.

15 Maintenance and Service

Calibration Information and Procedures

Information on calibration frequency and contacting Hioki for calibration services.

15.1 Troubleshooting Common Issues

Troubleshooting guide for common issues like SD card errors, display problems, and key malfunctions.

Replaceable Parts and Lifetimes

Information on replaceable parts like batteries and LCD backlight, and their expected operating lifetimes.

15.2 Cleaning Procedures

Instructions for cleaning the instrument and its LCD screen.

15.3 Error Indication Codes

Lists system and file error codes, their causes, and corrective actions for the instrument.

SD Card Error Code Resolution

Lists SD card error codes, their causes, and corrective actions, including compatibility and formatting issues.

Internal Memory and Operation Error Codes

Error codes related to internal memory issues (full, corrupt) and their resolution.

15.4 Instrument Disposal Guidelines

Instructions for safely disposing of the instrument and its battery according to local regulations.

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