In Tools and Tools, Coils & Accessories for Rebuildables Collections - IVC


New version of 521 mini tab!

Powered by a single 18650 battery, Coil Master 521 mini Version 2 is a handy compact device.
It is a multi-functional device that acts as an ohm meter, voltage drop checker, rebuilding station and test firing station.
The 521 mini Version 2 is able to measure resistance down to 0.05 ohm, and dry fire coils down to 0.1 ohm as well. Reverse battery protection and short circuit protection are also built in for safety.

– Ohm meter
– Coil rebuilding deck
– Coil burning
– Reverse battery protection
– Short circuit protection
– Battery out put voltage testing
– PCB Heat protection

– Resistance Measuring Range: 0.05-9.9ohm(Error±0.05ohm)
– Resistance rate: 0.1ohm
– Connection: 510 threaded with spring loaded pin
– Battery: Single 18650 battery driven (Battery is not included)

General specifications
Dimension: 80mm x 80mm x 28mm
Weight: 80g
Housing material: ABS

1x User Manual

1x 521 Mini Version 2