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Extech Instruments EX505 User Manual

Extech Instruments EX505
15 pages
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User's Guide
Autoranging True RMS Multimeter
Extech EX505
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Extech Instruments EX505 Specifications

General IconGeneral
TypeDigital Multimeter
Max Current Measurement10A
Resistance MeasurementYes
Resistance Range600Ω, 6kΩ, 60kΩ, 600kΩ, 6MΩ, 60MΩ
Capacitance MeasurementYes
Frequency MeasurementYes
Temperature Measurement (Type K)Yes
Data HoldYes
BacklightYes
Auto RangingYes
Relative ModeYes
WaterproofNo
Safety CategoryCAT III 600V
Battery Type9V
ContinuityYes
Diode TestYes
Duty CycleYes
Max Voltage Measurement600V
Current Range (AC)600μA, 6000μA, 60mA, 600mA, 10A
Current Range (DC)600μA, 6000μA, 60mA, 600mA, 10A
Temperature Range-40°C to 1000°C

Summary

Introduction and Safety

Introduction

Brief overview of the multimeter's capabilities and design.

Safety Precautions

Explains safety symbols, warnings, cautions, and overvoltage categories for safe operation.

Controls and Display

Control Panel Layout

Identifies and describes the buttons, jacks, and function switch of the multimeter.

Display Indicators and Symbols

Explains the symbols and annunciators shown on the multimeter's screen.

Operating Instructions

Voltage Measurements

Guides on how to measure AC and DC voltages safely and accurately.

Current Measurements

Instructions for measuring AC and DC current, including frequency and duty cycle.

Resistance, Continuity, and Diode Test

Procedures for measuring resistance, checking continuity, and testing diodes.

Specialized Measurements

Procedures for capacitance, temperature, and frequency/duty cycle measurements.

Meter Features and Modes

Range Selection and Frequency Sensitivity

Explains autoranging, manual ranging, and frequency sensitivity.

Special Modes and Indicators

Describes relative mode, backlight, auto power off, and low battery indication.

Maintenance and Power

General Care Instructions

Instructions for keeping the meter clean, dry, and in good condition.

Battery and Fuse Replacement

Guides on installing batteries and replacing fuses safely.

Technical Specifications

Electrical Measurement Specifications

Details accuracy and ranges for voltage and current measurements.

Other Measurement Specifications

Details accuracy and ranges for resistance, capacitance, frequency, duty cycle, and temperature.

Enclosure and Approvals

Physical Properties and Safety Ratings

Describes enclosure, dimensions, weight, and safety certifications.

Regulatory Compliance and Approvals

Lists approvals and standards met by the multimeter.

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