Multimeters usually have various symbols and icons that indicate the type of measurement being taken, the measurement range, and other important information. Here are some common symbols used on multimeters:
- AC/DC voltage: An upward-pointing triangle with a waveform inside represents alternating current (AC) voltage measurement, while a downward-pointing triangle represents direct current (DC) voltage measurement.
- Current: A circular symbol with an arrow pointing in the direction of the current flow represents a current measurement.
- Resistance: An omega (Ω) symbol represents resistance measurement.
- Continuity: A beeper symbol or a diagram of a speaker represents the continuity testing function.
- Diode: A downward-pointing arrow with a bar above and below represents the diode test function.
- Capacitance: A parallel plate symbol or the letter “C” represents capacitance measurement.
- Frequency: The letter “f” or a waveform symbol represents frequency measurement.
- Duty Cycle: A symbol with a waveform and a square represents duty cycle measurement.
- Auto-ranging: An “Auto” or “Auto-ranging” symbol indicates that the multimeter automatically selects the correct measurement range based on the input signal.
- Data Hold: A symbol with the letter “H” or a “hold” icon represents the data hold function, which allows you to freeze the display reading.
These symbols may vary slightly from one multimeter model to another, so it is important to refer to the user manual for your specific multimeter to understand the symbols and their meanings.
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