CoilMaster 521 Ohm Metre

True Vape

Test your DIY coils for safety!

Both the Coil Master 521 Tab or the Mini are powered with one 18650 battery which is sold separately. Use it as a build deck and dry fire coils down to 0.1 ohm. 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


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