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The Coil Master 521 Tab is an elite level ohm meter. The 521 Tab is a high quality, high accuracy, test and fire device that has been noted as one of the most dynamic and essential tools for building enthusiasts and beginners alike.
The 521 Tab features a high grade stainless steel 510, alongside a spring loaded Brass contact. Precision ratings are extremely high, with the 521 offering readings down to 0.01 ohms from 9.99 ohms. The 521 offers a level of feedback and accuracy that is amongst some of the highest level readouts.
The 521 Tab utilizes a single, high amperage 18650 battery (sold separately) that is capable of being charged directly from the device, offering users a superior battery life.
A three way selector switch allows users to switch from off, to meter position, to a firing position capable of firing atomizers down to 0.2 ohms, giving users live feedback on resistance levels without having to screw and screw the atomizer between testing.
This capability drastically increases usability and efficiency, making the Coil Master 521 Tab currently the most comprehensive and high quality vape specific metering device in the market.