Adafruit
Pocket Autoranging Digital Multimeter
When we're on the go, we like to keep a multimeter in our purse and this model is by far the best pocket meter we've found. It's so good you'll end up using ...
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When we're on the go, we like to keep a multimeter in our purse and this model is by far the best pocket meter we've found. It's so good you'll end up using it as your main multimeter!
First up, this meter can measure nearly everything: it's got DC and AC voltage, resistance, diode, and beeping continuity test, capacitance, and frequency.
And that's not all! It's also auto-ranging, has a data-hold button and turns itself off automatically after about 15 minutes to preserve the battery life. There's a PTC auto-resetting fuse inside for the current sensing side, so you never have to replace it.
Our favorite part is the nice hard-shell case which will protect the meter and will remind you to turn it off (it won't close properly if the switch isn't in the off position) and a smart cord-wrapping area to keep the leads from unwrapping and poking holes in stuff. Runs on two AA batteries that are included! This is a really nice pocket multimeter!
Jargon buster
Plain-language definitions for the technical terms used above.
- auto-ranging
- Auto-ranging means a device automatically selects the right internal measurement scale (range or gain) for the signal it is reading, instead of you choosing it by hand. It appears in instruments and sensors such as multimeters and light or current sensors, and makes them easier to use across widely varying conditions without manual range or gain changes.
- capacitance
- Capacitance is the amount of electrical charge a capacitor can store, usually measured in farads such as uF. Choosing the right capacitance value matters because it affects how well a circuit filters power, handles timing, or stores short bursts of energy.
- DC
- DC means direct current, where electricity flows in one constant direction, as supplied by batteries, USB ports and many plug-pack power supplies. When a product specifies DC, it runs from a DC supply rather than mains AC, so you need to provide the correct voltage and polarity.
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