Table of Contents
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Table of Contents
Related Manuals for HT MULTITEST M74
Summarization of Contents
SAFETY PRECAUTIONS AND PROCEDURES
Preliminary Instructions
Provides essential preliminary instructions for safe and correct use of the instrument.
Safety During Use
Details safety precautions and guidelines to follow while operating the instrument.
Safety After Use
Covers procedures for safely switching off and storing the instrument after use.
Overvoltage Categories Definitions
Defines overvoltage categories relevant to electrical measurements and instrument safety.
GENERAL DESCRIPTION
Instrument Working Modes
Explains the primary functions and measurement capabilities of the MULTITEST series instruments.
TRMS and Mean Value Definitions
Defines True Root Mean Square (TRMS) and Mean Value measurements for AC quantities.
True RMS Value and Crest Factor Definitions
Explains the concepts of TRMS value and Crest Factor in signal measurement.
PREPARATION FOR USE
Preliminary Checks
Outlines essential checks to perform before operating the instrument for the first time.
Power Supply and Battery
Details how the instrument is powered and low battery indications.
Calibration Procedure
Provides information on the instrument's calibration and recommended recalibration frequency.
Storage Guidelines
Offers guidance on storing the instrument, especially after prolonged periods.
OPERATING INSTRUCTIONS
Instrument Description and Controls
Details the instrument's components, display, and key functions for operation.
HOLD, MAX/MIN/AVG, PEAK± Functions
Explains functions for holding, recording min/max/avg, and capturing peak values during measurements.
DC/AC Voltage and Frequency Measurement (V~Hz)
Guides on performing DC/AC voltage and frequency measurements using the V~Hz function.
DC/AC Current and Frequency Measurement (A~Hz)
Guides on performing DC/AC current and frequency measurements with a clamp transducer.
Resistance Measurement and Continuity Test
Details how to perform resistance measurements and continuity tests.
Phase Sequence and Conformity Measurement
Explains how to measure phase sequence and conformity of electrical phases.
LAN Cabling Test (M75)
Provides instructions for testing LAN cable integrity and mapping on the M75 model.
Continuity Test on Earth Conductors (Ω 0.2A)
Describes continuity testing for earth, protective, and equalizing conductors.
Insulation Resistance Measurement (MΩ)
Guides on performing insulation resistance tests with 250V or 500VDC test voltages.
RCD Tests (M73, M74, M75)
Details the procedure for testing AC type Residual Current Devices (RCDs).
Global Earth Resistance Measurement (Ra)
Explains how to measure global earth resistance on specific models.
Automatic Plant Test (AUTO)
Describes the automatic measurement sequence for testing electrical plants.
MAINTENANCE
General Maintenance Guidelines
General guidelines for maintaining the precision instrument to avoid damage or danger.
Battery Replacement Procedure
Provides step-by-step instructions for replacing the instrument's batteries safely.
Cleaning Instructions
Instructions on how to clean the instrument using appropriate methods and materials.
End of Life Disposal
Information regarding the proper disposal of the equipment and its accessories at the end of its life.
TECHNICAL SPECIFICATIONS
Electrical Characteristics
Details the electrical characteristics, accuracy, and measurement ranges of the instrument.
Environmental Conditions and EMC
Specifies environmental conditions for operation and storage, including temperature and humidity.
Included Accessories
Lists the accessories included with the instrument, referring to an enclosed packing list.
SERVICE
Warranty Conditions and Limitations
Outlines the terms and conditions of the instrument's warranty coverage and limitations.
After-Sale Service Information
Provides guidance on troubleshooting and contacting for after-sale support or repairs.
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