Interior door manufacturer teach you judge magnetic lock method

Indoor door lock manufacturers to teach you judge magnetic locks the method of magnetic lock is now more popular a kind of door lock, using the electromagnetic principle, when the current through the control sheet, magnetic occurs, turn off the power supply, magnetic force is gone, so as to control the switch of door lock, now the standard magnetic locks are divided into two categories, 12 v and 24 v. So how to choose the high quality of magnetic lock? Take a look at the indoor door lock factory staff do it.     1, see resistance & emsp;   Unplug magnetic locks on both sides of the wire, in the case of no electricity, with professional instrument is black and two lines of resistance value, the quality of the resistance value at about 50 euro is better.     2, current value & emsp;   In the case of keep the electric magnetic lock ( The 12 v alternating current) , if the pulling force for good in 280 kilograms, this value is less than that garbage is not enough, in general tension is 280 kg when the current is 400 mah.     3, see sealing glue & emsp;   Good magnetic lock after the sealant cannot have bubbles, should be neat, no cracks.     4, the circuit & emsp;   The stand or fall of magnetic locks can be observed directly from the circuit boards, poorly made PCB circuit is simple, no partition device, safety performance is low.     Indoor door lock manufacturers to teach you judge magnetic lock method for the above introduction it for magnetic lock is good or bad judgment method should be clear, the choice of the magnetic lock needs in many aspects to comprehensive comparison, much more, watch more, can find the right.
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