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General| Brand | protech |
|---|---|
| Model | QM1549 |
| Category | Multimeter |
| Language | English |
Manages automatic or manual range selection for measurements.
Navigates measurement operations and selects AC/DC current types.
Selects measurement ranges and functions via the rotary switch.
Controls the LCD screen's illumination for better visibility.
Stores a reference value for comparative measurements.
Allows selection of frequency or duty cycle measurement modes.
Freezes the current reading on the display for later review.
Automatically conserves battery by turning off the meter when idle.
Accuracy and resolution details for DC voltage ranges.
Accuracy and resolution details for AC voltage ranges.
Accuracy and resolution details for DC current ranges.
Accuracy and resolution details for AC current ranges.
Accuracy and resolution details for resistance measurements.
Accuracy and resolution details for capacitance measurements.
Accuracy and resolution details for duty cycle measurements.
Test current, resolution, and accuracy for diode testing.
Accuracy and resolution details for frequency measurements.
Threshold and test current details for continuity checks.
Guide for replacing the multimeter's battery correctly.
Instructions on how to safely replace internal fuses.
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