How to Use ANENG AN8205C Digital Multimeter скачать в хорошем качестве

How to Use ANENG AN8205C Digital Multimeter

https://linktr.ee/maddox_mechanic Disclaimer: This video is for informational and educational purposes only and is not affiliated with, endorsed by, or sponsored by Aneng. All opinions expressed are solely those of the creator. This video provides a detailed tutorial on using the ANENG AN8205C digital multimeter, designed for both beginners and those with some prior testing experience [00:10]. The presenter highlights that while this meter is affordably priced with suitable quality, many similar meters found in auto stores are often overpriced for comparable performance [00:28]. Key Aspects of the Multimeter: Transistor Testing: The integrated transistor testing ports (for NPN and PNP) are noted as non-functional out-of-the-box on these budget-friendly meters [00:51]. A separate, dedicated transistor tester is recommended for accurate measurements [07:03]. Test Leads: The included test leads are typically of lower quality; upgrading to aftermarket leads from an electronics supplier is strongly advised for enhanced durability and reliability [01:10]. Buttons and Ports: Backlight: A standard feature for display illumination [01:56]. Hold Button: Enables storage of a measurement on the display after lead removal, facilitating note-taking [02:03]. Common Port (COM): The central port where the black lead is consistently connected [02:15]. Main Port: Utilized for the majority of measurements, including temperature, voltage, diode, and resistance [02:28]. 10A DC Port: Exclusively for measuring up to 10 amps DC; the red lead must be repositioned to this port for these specific measurements [02:35]. A notable advantage for lower-end meters is the inclusion of fuses in both amperage ports [05:54]. Measurement Demonstrations and Insights: AC Voltage Measurement: The meter demonstrated accurate readings for hot-to-neutral and hot-to-ground measurements [02:55]. Its lower internal impedance (approximately 10 MOhms) is beneficial as it helps prevent the display of "ghost voltage" [03:31]. For measurements exceeding 200 volts (e.g., 220-240V in international contexts), the 600V AC setting should be engaged, though caution is advised when measuring high voltages with this class of meter [04:09]. DC Amperage Measurement: This meter is rated solely for DC amperage, as indicated by the dial symbol [04:33]. Amperage measurements necessitate connecting the meter in series with the circuit, effectively functioning as a jumper [05:02]. A negative sign on the display indicates reversed lead polarity [05:24]. Temperature Measurement: The meter includes a thermocouple and defaults to Celsius. It provided accurate ambient room temperature readings during the demonstration [08:10]. Diode and Continuity Testing: Continuity: Indicated by a speaker symbol, this setting emits a tone when low resistance is detected, useful for verifying wire connections or lead integrity [09:07]. Diode Testing: The meter outputs approximately 3 volts DC for diode testing [09:34]. The presenter observed a lower-than-expected voltage drop (around 387-392 mV) across a functional diode compared to a professional meter (expected range 500-800 mV) [10:04]. A diode should exhibit current flow in one direction and an "OL" (no current flow) when tested in the reverse direction [10:49]. The meter can also illuminate an LED, though it only displays an "OL" rather than the minimum forward voltage [11:09]. Resistance Measurement: Polarity is not a factor for resistance measurements [11:45]. The presenter demonstrated accurate readings across various resistors, noting that even minor lead movement can influence readings [11:55]. The "K" or "Mega" symbols accompanying numerical values denote thousands or millions of ohms, respectively, a critical distinction for manually selecting meters to prevent misinterpretation [12:33]. DC Voltage Measurement: This is a fundamental function for any multimeter [13:00]. Similar to AC voltage, DC voltage is measured in parallel with the circuit [13:23]. The meter provides varying decimal precision based on the selected range (e.g., two decimal places on 20V, one on 200V) [14:00]. The ANENG AN8205C is a manually selecting meter, which can present a learning curve for beginners as it requires manual range setting, potentially leading to confusion if readings are out of range (indicated by an "OL" on the display) [08:41]. Product description from seller: Max display: 1999, Auto polarity display. Portable and compact design, overload protection on all ranges. Diode assembly test/Transistor P-N junction test/Transistor HFE test. Dimension: Approx 143mm x 72mm x 35mm. Quantity:1pcs