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Brand | Extech Instruments |
---|---|
Model | Extech 470 |
Category | Thermometer |
Language | English |
Explains meter safety symbols: general, warning, caution, voltage limits, hazardous terminals, insulation, and laser hazards.
Crucial safety rules for meter operation: max voltage, caution with high voltage, connection rules, and lead handling.
Identifies physical controls, jacks, and display elements of the multimeter.
Details meanings of meter LCD symbols, annunciators, and associated units.
Details ranges, resolutions, and accuracy for DC and AC voltage measurements.
Details ranges, resolutions, and accuracy for DC and AC current measurements.
Covers resistance and capacitance measurement ranges, resolutions, and accuracy.
Details frequency and duty cycle measurement ranges, resolutions, and accuracy.
Lists ranges, resolutions, and accuracy for Type-K and IR temperature measurements.
Outlines specs for diode test, continuity, sensor, IR response, input impedance, and operating conditions.
Essential warnings and notes for meter operation, including OL readings and input sensitivity.
Step-by-step process for accurately measuring DC voltage using the multimeter.
Steps for performing AC voltage measurements, including safety warnings.
Guides on measuring DC current, including setup and circuit connection.
Steps for measuring AC current, emphasizing circuit interruption and connection.
Describes how to measure resistance, safety precautions, and accuracy best practices.
Explains continuity checks, including audible signal conditions and OL display.
Details diode tests, expected forward/reverse voltage readings, and shorted/open device indications.
Details procedure for measuring temperature using a contact Type-K probe.
Explains IR temperature measurement, spot size, and laser safety.
Explains how to measure capacitance values.
Details steps for measuring signal frequency.
Explains how to measure the percentage of duty cycle.
Explains switching between automatic and manual range selection.
Describes using relative mode for comparisons against a stored reference.
Covers backlight, hold function, and auto power off.
Explains low battery and wrong connection indicators, icons, and sounds.
Instructions for keeping meter dry, handling, cleaning, and storage.
Advises on using fresh batteries and removing old ones for storage.
Steps to replace fuses, including safety warnings and fuse specs.
Clarifies UL mark meaning regarding accuracy evaluation.