EasyManua.ls Logo

Fluke 28 II Ex User Manual

Fluke 28 II Ex
58 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
November 2011 Rev. 1, 10/17
© 2011-2017 Fluke Corporation. All rights reserved. Specifications are subject to change without notice.
All product names are trademarks of their respective companies.
28 II Ex
True-rms Digital Multimeter
Users Manual

Other manuals for Fluke 28 II Ex

Question and Answer IconNeed help?

Do you have a question about the Fluke 28 II Ex and is the answer not in the manual?

Fluke 28 II Ex Specifications

General IconGeneral
Diode testYes
Product typeDigital multimeter
Product colorBlack, Red
Frequency range0.0005 - 199.99 kHz
DC current range0.0000001 - 10 A
DC voltage range0.0001 - 1000 V
Resistance range0.1 - 50000000 Ω
Measuring categoryCAT IV 600V
Placement supportedHandheld multimeter
Basic accuracy (frequency)0.005%
Basic accuracy (DC current)0.2%
Basic accuracy (DC voltage)0.05%
Temperature measurement range-200 - 1090 °C
Battery typeAAA
Power sourceBattery
Battery technologyAlkaline
Number of batteries supported3
Operating altitude0 - 2000 m
Maximum storage altitude10000 m
Operating relative humidity (H-H)0 - 80 %
Weight and Dimensions IconWeight and Dimensions
Depth198.1 mm
Width100 mm
Height6.35 mm
Weight698.5 g

Summary

Limited Warranty and Liability

Errors and Load Restrictions

Ex-Certification Data

Introduction to the 28 II Ex Multimeter

How to Contact Fluke

Provides contact information for Fluke technical support, calibration, and repair services worldwide.

General Safety Information

EX Safety Information

Safety regulations for operating the product in hazardous areas, highlighting potential consequences of non-compliance.

Safety Warnings and Precautions

Mining Hazardous Areas Safety

Guidelines to prevent personal injury in mining hazardous areas, covering mechanical burdens and contact with fluids.

General Operation Safety

Precautions for preventing electrical shock, fire, or injury in all operation areas, including PPE and codes.

Key Product Features

Automatic Power-Off

Automatically turns off the product after a period of inactivity to conserve battery power.

Input Alert Feature

Warns of incorrect lead connections to current terminals to prevent measurement errors and damage.

Power-Up Options Configuration

How to Make Measurements

AC and DC Voltage Measurements

Instructions for measuring AC and DC voltage, including range selection and waveform accuracy.

Zero Input Behavior of True-rms Meters

Explanation of how true-rms meters behave with open or shorted inputs in AC functions.

Low-Pass Filter

Describes the AC low-pass filter for improved measurement of noisy signals and composite waveforms.

Temperature Measurements

Procedure for measuring temperature using the included type-K thermocouple.

Continuity Tests Procedure

Resistance Measurement Guide

Conductance for High Resistance Tests

Capacitance Measurement Procedure

Diode Test Procedure

AC/DC Current Measurement Guide

Frequency Measurement Procedure

Duty Cycle Measurement Procedure

Components of Duty Cycle Measurements

Diagram illustrating the components of duty cycle measurements, including trigger points and percentage.

Pulse Width Determination

HiRes Mode Operation

MIN MAX Recording Mode

Smooth Feature (Power-Up Option)

AutoHOLD Mode Functionality

Relative Mode Operation

Product Maintenance

General Maintenance

Instructions for cleaning external surfaces and terminals to ensure accurate measurements.

Fuse Test

Procedure to test fuses and identify potential issues with probe insertion or fuse integrity.

Battery Replacement Guide

Fuse Replacement Procedure

Service and Parts Information

General Specifications

Detailed Specifications

AC Voltage

Presents AC voltage measurement ranges, resolution, and accuracy specifications across various frequencies.

DC Voltage, Conductance, and Resistance

Details specifications for DC voltage, conductance, and resistance measurements.

Temperature

Provides temperature measurement ranges, resolution, and accuracy, including notes on thermocouple error.

AC Current

Details AC current measurement ranges, resolution, burden voltage, and accuracy.

DC Current

Details DC current measurement ranges, resolution, burden voltage, and accuracy.

Capacitance

Provides capacitance measurement ranges, resolution, and accuracy, including notes on using rel mode.

Frequency

Details frequency measurement specifications.

Diode

Specifies accuracy for diode measurements.

Frequency Counter Sensitivity and Trigger Levels

Details minimum sensitivity and trigger levels for frequency counter operations.

Duty Cycle (Vdc and mVdc)

Details duty cycle measurement specifications for Vdc and mVdc.

Input Characteristics

Provides input characteristics like overload protection, impedance, and rejection ratios.

MIN MAX Recording

Details specifications for MIN MAX recording response times and accuracy.

Related product manuals