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Microtest 8740 User Manual

Microtest 8740
77 pages
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Z
8740
2-Wire Universal Cable/Harness Tester
User Manual
Version: 1.12
Publish date: October 2019
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Microtest 8740 Specifications

General IconGeneral
Power SourceRechargeable Battery
Wire MapYes
Remote IDYes
Frequency RangeUp to 350 MHz
DisplayLCD
Standards ComplianceISO 11801
Data StorageYes
Length MeasurementYes
Supported CablesCoax

Summary

Chapter 1. Precautions

Safety Signs and Symbols

Overview of safety signs used in the manual and on the instrument.

No Internal Adjustments Allowed

Prohibition of unauthorized internal modifications and adjustments to the machine.

Static Electricity Precautions

Guidelines to prevent machine damage from static electricity.

Grounding Requirements

Importance of proper grounding to prevent electrical shock.

Power Cable and Voltage Specifications

Specifications for power cables, connectors, and input voltage.

Warm Up Procedure

Recommended warm-up period for optimal tester accuracy.

Handling Machine Malfunctions

Instructions for addressing instrument malfunctions and repairs.

Test End Procedures

Guidance on powering off the machine when not in use.

Placement and Storage Guidelines

Recommendations for operating and storing the machine.

Emergency Handling Protocols

Procedures for electrical shock or fire emergencies.

Chapter 2. General Description

Package Contents and Accessories

List of standard accessories included with the 8740 series cable tester.

Manual Nouns and Symbols Glossary

Explanation of notations and symbols used throughout the user manual.

Basic Tester Operations

Details on alphanumeric input, cursor movement, and core button functions.

Front Panel Functions

Identification and description of components on the tester's front panel.

Rear Panel Functions

Identification and description of components on the tester's rear panel.

Function Block Diagram

Visual representation of the tester's functional flow and interconnections.

Installation Guide

Step-by-step instructions for installing and starting the 8740 series tester.

Button Function Descriptions

Detailed explanation of the functions of various button groups.

Chapter 3. Function and System Settings

Core Functions Overview

Overview of the main functions available for system operation.

Self-test Procedure

Procedure for executing the self-test function upon powering on.

System Information Viewing

Accessing and viewing machine and software version details.

DC High Voltage Calibration Procedure

Adjusting DC high voltage readings to match setting values.

AC High Voltage Calibration Procedure

Adjusting AC high voltage readings for accurate AC setting values.

INT.COND.ZERO Procedure

Executing internal resistance offset action for the machine.

Constant Current Box Calibration

Details on optional fixture calibration for the constant current box.

Pin Search Functionality

Displaying the current output pin by connecting a probe.

Ethernet Fixture Setup

Configuring protocol, IP, and server port for networking.

System Setup Configuration

System configuration and test-related action settings.

System Environment Settings

Configuring environment parameters like power-on self-test and language.

Test Environment Settings

Configuring test environment parameters like tester ID and alarms.

System Time Adjustment

Adjusting the system's year, month, day, hour, minute, and second.

Changing System Password

Procedure for changing the system password for key lock protection.

Printer Output Options

Instructions for direct printer output of data and screens.

Cable Learning Function

Setting short circuit conditions by learning cable connection.

File Management Reference

Reference to Chapter 4 for detailed file management information.

Test Statistics Viewing

Viewing test result statistics like total tests, passes, and failures.

Test Mode Selection

Overview of different test modes and entering TEST MODE.

MultiDUT Test Mode Setup

Procedure for learning DUT pins and setting up MultiDUT mode.

Item Test Mode Setup

Selecting specific test items within the test mode.

Chapter 4. Comprehensive Test Mode

Test Condition Setup

Setting control standards and test conditions for DUTs.

Short Circuit Table Setup

Setting the short circuit table for OPEN/SHORT test conditions.

Conductance Parameter Settings

Setting conductance parameters like max, min, offset, and mode.

R/C/D Component Editing

Editing parameters for Resistance, Capacitance, and Diode tests.

High Voltage Setting Edit (HV)

Setting parameters for DC insulation and AC tolerance tests.

Comprehensive Test Implementation

Performing simultaneous and automatic tests.

Real-time Test Execution

Performing tests in real-time using saved test conditions.

Existed Test Execution

Loading saved files from memory for testing.

File Management Operations

Managing files for ease of use, including selection, deletion, and sorting.

Selecting Files for Use

Loading saved files from permanent memory to main memory.

Step Setting Configuration

Setting specific test steps for a DUT to simplify processes.

Creating New Files

Function to create a new file in the permanent memory.

Uploading Single Files

Uploading a selected file from tester to USB flash drive.

Uploading All Files

Uploading all files from the tester to the USB flash drive.

Deleting Files

Permanently deleting files saved on the permanent memory.

Sorting Files

Sorting files according to specified rules.

Importing Files from USB

Importing files from a USB flash drive to the tester.

Appendix A. Cable Wiring Configuration

RS-232C Cable Wiring

Wiring configuration details for the RS-232C cable.

Printer Cable Wiring

Wiring configuration for the printer cable (25-PIN and 36-PIN).

Remote Cable Wiring

Wiring configuration and pin definitions for the 15-PIN remote cable.

Remote Output Waveform

Diagrams illustrating remote output waveforms for various signals.

Appendix B. Test Range and Functions

Test Range and Function Specifications

Overview of test ranges and functions for different measurement types.

Appendix C. Technical Specifications

Detailed Technical Specifications

Detailed technical specifications of the 8740 series tester.

Appendix D. Version History

Software Version History

History of version updates and modifications for the software.

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