Coil Master 521 Tab

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Coil Master
€ 44,99 Incl. tax

The Coil Master 521 Tab is a multi-functional device featured as an ohm meter, voltage checker, test-fire and rebuild station, or even an alternative mech mod.

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The latest innovative accessories from Coil Master introduced at the 2015 ECC in Pomona, the 521 Tab. This multi-functional device acts as an ohm meter reader, voltage drop checker, rebuild deck, test fire station, and you can even vape with it! It is equipped with a 510 spring-loaded connector for attys of all size, 2 hole connectors for the included Voltage Checker and Terminal Connectors, 2-way rocker switch, and intuitive OLED screen with pipe symbol for test-fire setting and measurement readouts. While yourRDA is attached and juiced up with today's top e-liquids, you can read the current ohm status and test fire it or attach the Voltage Checker and screw your mech mod for voltage gauge. Overall, this is a game-changer, one of the most fascinating device engineered for advanced vapers and DIY cloud chasing enthusiasts.

Coil Master Multi-Functional 521 Tab Features:

  • Ohm Meter
  • Voltage Checker
  • Coil Rebuilding Deck
  • Test-Fire Attys
  • Reverse Battery Protection
  • Resistance Measurement Range: 0.01 - 9.99 ohm
  • Voltage Measurement Range: 0.3 - 9.99V
  • Min Resistance Rate: 0.2 ohm
  • Spring Loaded 510 Connection Pin
  • MicroUSB Charging Port
  • 18650 Battery not included


  • 1 Coil Master 521 Tab
  • 2 Terminal Connectors
  • 1 Voltage Checker
  • 1 MicroUSB Charger
  • Instruction Manual
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