This machine is used for determining the return force of latch bolt. This test method uses a force gauge to fully depress the latch bolt, then allow latch bolt get return.
Latch Bolt Return Force Tester
● Machine-equipped force gauge makes the test result precise.
● Handle wheel makes sliding table operation more convenient and efficient. Customers can easily let the sliding table forward or backward by turning the handle wheel.
● Extra tune knob for adjusting the slide table left and right movement separately.
● The scale plate design clear marks the 2mm return distance.
BS EN 12209:2016
Building hardware. Mechanically operated locks and locking plates. Requirements and test methods
This machine is used for determining the return force of latch bolt. This test method uses a force gauge to fully depress the latch bolt, then allow latch bolt get return, when leading edge of the bolt head is (2 ± 0,5) mm from the face of the forend, record force, it will not be less than 2.5N.
