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General| Brand | Extech Instruments |
|---|---|
| Model | EX503 |
| Category | Multimeter |
| Language | English |
Explanation of safety symbols and cautionary notes for proper operation and user safety.
Defines IEC 1010 Overvoltage Installation Categories I, II, III, and IV for safe usage.
Step-by-step guide for safely measuring DC voltage using the multimeter.
Instructions for measuring AC voltage, frequency, and duty cycle.
Procedure for measuring DC current in various ranges (μA, mA, 10A).
Procedure for measuring AC current, frequency, and duty cycle.
Guide for performing resistance measurements, including safety precautions.
Instructions for checking circuit continuity with audible feedback.
Procedure for testing diodes, including forward and reverse voltage readings.
Steps for measuring capacitance, noting potential charging times.
Procedure for measuring frequency and duty cycle of electronic signals.
Details on frequency sensitivity across different voltage/current ranges.
Explanation of automatic and manual range selection modes.
How to use the relative measurement feature for comparative readings.
Operation of the display backlight feature.
How to freeze the displayed reading using the HOLD function.
Details on the automatic power-off feature and how to disable it.
How the low battery indicator appears and what it signifies.
Guidelines for keeping the meter dry, clean, and in normal temperatures.
Step-by-step guide for replacing the multimeter's battery.
Detailed table of functions, ranges, resolutions, and accuracies.
Details on enclosure rating, drop test, operating conditions, and dimensions.
Information on safety standards, protection, and regulatory approvals.
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