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METREL MI 3250 User Manual

METREL MI 3250
37 pages
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MicroOhm 10A
MI 3250
Instruction manual
Version 1.1.2, Code no 20 751 893
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METREL MI 3250 Specifications

General IconGeneral
BrandMETREL
ModelMI 3250
CategoryMeasuring Instruments
LanguageEnglish

Summary

General Description

Key Features

Lists the main capabilities and characteristics of the MicroOhm 10A meter.

Safety and Operational Considerations

General Warnings and Notes

Provides essential safety warnings and notes for operating the instrument safely and correctly.

Battery and Charging Procedures

Details the instrument's battery type, usage, and charging procedures for optimal performance.

Battery Care for New or Unused Cells

Explains procedures to improve battery lifetime for new or long-unused cells.

Applied Standards and Compliance

Lists the regulations and standards the instrument complies with for safety and EMC.

Instrument Description and Components

Operator Panel Overview

Describes the front panel layout, including buttons, display, and their functions.

Connectors and Battery Cover

Details the instrument's terminals and physical connection points.

Test Leads Connector Details

Details the test leads connector, including terminal identification and voltage warnings.

Right Side Connector Panel

Illustrates and describes the connectors located on the right side of the instrument.

Left Side Connector Panel and Battery Compartment

Illustrates and describes the connectors and battery compartment on the left side.

Included Accessories

Lists the standard and optional accessories provided with the instrument.

Display Organization

Explains the different windows and elements displayed on the instrument's LCD screen.

Measurement Result Window

Details the measurement result window, showing how measured resistance and other parameters are displayed.

Measurement Control Window

Describes the control window used for modifying measurement parameters like mode, range, and current.

Message Window Functionality

Explains the message window where warnings and status messages are displayed.

Battery and Time Indicators

Details the icons and indicators for battery status and time display.

Backlight Operation

Explains how to turn the LCD backlight on and off using the LIGHT key.

Instrument Menu Navigation

Main Menu Options

Outlines the four main options available from the instrument's primary menu.

Memory Management Menu

Describes the memory structure and options for managing stored measurement results.

Saving Measurement Results

Explains the procedure for saving measurement results to the instrument's internal memory.

Recalling Stored Results

Details how to retrieve and view previously stored measurement results from memory.

Deleting Measurement Data

Explains how to delete individual or multiple measurement results from memory.

Clearing All Memory Content

Describes the function to erase all stored data from the instrument's memory.

Settings Menu Configuration

Introduces the settings menu for adjusting instrument parameters and configurations.

Language Selection

Explains how to change the instrument's display language.

Communication Port Selection

Describes how to select the communication port (RS232 or USB) for data transfer.

Setting Date and Time

Details how to set the instrument's internal date and time.

Adjusting Display Contrast

Explains how to adjust the LCD display contrast for better readability.

Temperature Compensation Settings

Describes how to use temperature compensation to adjust resistance readings to a reference temperature.

Setting Measurement Limits

Explains how to set upper and lower limits for validating measurement results.

Instrument Information Access

Shows how to access instrument details like hardware version, serial number, and calibration date.

Help Menu and Diagrams

Provides access to schematic diagrams for connecting the instrument to test objects.

Measurement Procedures

Four Wire Kelvin Measurement Method

Explains the four-wire Kelvin method for accurate low resistance measurements.

Resistance Measurement Process

Outlines the process for performing resistance measurements and setting parameters.

Single Measurement Mode

Describes the single measurement mode for bidirectional resistance readings with thermal EMF elimination.

Continuous Measurement Mode

Explains the continuous mode for repeated bidirectional resistance measurements until stopped.

Automatic Measurement Mode

Details the automatic mode that performs measurements upon connection to the test object.

Inductive Measurement Mode

Describes the inductive mode for measuring resistance on inductive objects, including charging/discharging times.

Instrument Maintenance and Service

Cleaning Instructions

Provides instructions for cleaning the instrument's housing safely.

Periodic Calibration Importance

Emphasizes the importance of regular calibration for maintaining technical specifications and accuracy.

Service and Repair Information

Advises contacting the distributor for repairs under warranty or at any time.

Technical Specifications

Resistance Measurement Specifications

Presents detailed specifications for resistance measurement, including ranges, resolution, and accuracy.

Measurement Parameter Details

Lists specific parameters related to measurement, such as test current, power output, and voltage.

General Instrument Data

Provides general technical data about the instrument, including power, dimensions, and environmental conditions.

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