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Gossen MetraWatt METRA HIT 27I User Manual

Gossen MetraWatt METRA HIT 27I
28 pages
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Operating Instructions
METRAHIT27 and METRAHITH+E CAR
METRA HIT 27M: Digital Multimeter and Milliohmmeter
METRA HIT 27I: Digital Multimeter, Milliohmmeter and Megohmmeter
METRA HIT H+E CAR: Mega Tester for Hybrid E-cars
3-349-207-02
12/4.16

Table of Contents

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Gossen MetraWatt METRA HIT 27I Specifications

General IconGeneral
Resistance Measurement0.01 Ω to 60 MΩ
Continuity testYes
Diode testYes
Frequency Measurement1 MHz
Temperature Range-200 °C to 850 °C
Battery Type9V

Summary

Safety Features and Precautions

General Safety Precautions

Covers essential safety guidelines, warnings, and precautions for instrument operation and user protection.

Measuring Functions and Range Selection

Automatic Measuring Range Selection

Description of the auto-ranging feature for selecting appropriate measurement ranges.

Manual Measuring Range Selection

Procedure for manually selecting specific measurement ranges for functions.

Measured Value Storage and Data Hold

Saving Min/Max Values with Time Stamp

MIN/MAX Value Display and Storage

How to display, save, and manage minimum and maximum measured values with their occurrence times.

Voltage and Frequency Measurement

Voltage Measurement Procedures

Guidelines for measuring AC/DC voltage, including zero balancing and high voltage considerations.

Frequency Measurement and Resistance Basics

Continuity Testing and Diode Measurements

Milliohm Measurement (4-Wire) Techniques

Cable Resistance Compensation

Method for compensating cable resistance in 4-pole measurements using Kelvin connection.

Thermovoltage Compensation

Automatic compensation for thermovoltages to ensure accurate low-resistance measurements.

Milliohm Measurements and Temperature Sensing

Insulation Resistance Measurement

Preparation for Insulation Measurement

Steps to prepare for insulation resistance testing, including cable checks and safety notes.

Insulation Measurement and Discharge

Performing Insulation Resistance Measurement

Procedure for measuring insulation resistance, including continuous measurement option.

Ending Measurement and Discharging DUT

Safely ending insulation tests and discharging capacitive devices under test.

Menu Navigation and Data Saving

Instrument Characteristic Values and Influences

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