• 521 Tab Mini Ohm Meter Tester with display and buttons on a black background
  • Black electronic device with digital display and buttons on a white background
  • 521 Tab Mini Ohm Meter Tester with digital display and fire button, showing dimensions on a white background.
  • Black electronic device with a sliding cover on a keyboard background
  • Black electronic device with digital display and fire button on a white background
  • Black electronic device with a digital display showing '8.88' on a white background
  • Black electronic device with digital display on a white background
  • Black electronic device with ports on a white background
  • Black electronic device with digital display and button, next to its packaging on a white background
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Coil Master

521 Tab Mini

521 Tab Mini

£14.95 GBP
£14.95 GBP
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This is an age restricted product. You must be 18 or older in order to purchase this item. An age check will be completed during checkout using OneID. This process works automatically and you do not have to take pictures of passports or driving licences and you will NOT be asked for sensitive information. Learn more about OneID.

521 Tab Mini Ohm Meter Tester is an essential accessory for building enthusiasts. Featuring an Ohm meter with precise accuracy, test fire station, and spacious build deck.

Equipped with a high quality 510 connection with sprung positive connector, this 521 Tab Mini offers supreme durability and contact, capable of rmeasuring down to 0.01 Ohms.

The 521 Tab utilises a single 18650 battery with three-way selector that allows users to switch from off, to Ohm reader position, and firing setting capable of firing rebuildable atomisers down to 0.1 Ohm. Constructed with intuitive LED screen and all-around premier level of safety, the 521 Tab Mini has reverse battery protection and short circuit protection built in.

521 Mini Tab Showcase:

Basic Setup

  • Battery: Insert a single 18650 battery into the device's compartment.

  • Mode Selection: Turn the selector switch to the Ohm Reader position.

Measuring Resistance



  • Screw your rebuildable atomizer securely onto the 521 Tab’s 510 connector.

  • The digital screen will display the resistance of your coil. A reading of 0.01 Ω to 9.99 Ω is typical, with a minimum reading of 0.1 Ω required to test.

  • If you read "0.00" or a wildly fluctuating number, there is a short circuit, or the coil is touching the cap/deck.

Burning / Dry Firing Your Coils

  • Once the resistance is locked in and stable, switch the device to the Fire mode.

  • Press the firing button to pulse the power.

  • Use ceramic tweezers to lightly pinch and strum the coils as they glow. This burns off machine oils and ensures the coil heats evenly from the inside out.

  • Safety: Most 521 Tabs output around 31 - 33 W and have an automatic firing cut-off at 15 seconds to prevent overheating.

Precautions



  • Battery Safety: Ensure your 18650 battery has an intact wrapper.

  • Minimum Limit: Do not attempt to dry-fire builds that are under the tab's minimum firing limit (0.1 Ω).

Features:

  • Ohm Meter

  • Firing mode to test fire your builds

  • Digital display

  • Simple design

  • Resistance measuring range: 0.01 - 9.9 Ohms

  • Lowest firing resistance rate- 0.1 Ohms

  • Output wattage: 31-33 W

  • Burning protection: 14.5-15.5s

  • Spring loaded 510 connector

  • Takes one 18650 battery (not included)

  • Reverse battery protection

  • Low voltage protection

  • Short circuit protection

  • Breaker protection

  • Low resistance protection

What's in the box:

1 x 521 Mini Tab Tester

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