Quality Certification - Technology Center

Through efficient reliability testing, achieve customer impression with
the highest quality and trusted products


01	Shape and Structure	It does not break easily on impact, and it is difficult to disassemble
02	External power terminal	Structure of using power applied from the outside
03	Voltage shortage	Voltage shortage display, normal opening and closing more than 30 times
04	Cold resistance test	(-25±2)℃, 48 hours
05	Heat resistance test	(70±2)℃, 48 hours
06	Moisture resistance test	(60±3)℃, 95(+2, -3)%, 48 hours
07	Electrostatic resistance test	Metal 8kv, Nonmetal 15kv
08	Electric shock test	Metal 25kv, Nonmetal 30kv
09	Opening and closing test	100,000 times actions
10	Fire Preparedness test	Check opening after 1 hour at 270℃
11	Temperature sensor test	Contact the outside surface for 10 minutes at 100℃, 10 times
12	Handle Breaking strength test	Vertical Load - 2451N, Tensile - 2451N
13	Deadbolt Breaking Strength Test	Push-in - 1470N, Lateral pressure - 2451N
14	Adhesion test	Attachment Strength - 2451N
15	Appearance strength test	540g-Diameter 50.8 mm / 13m
16	Strike Test	Static pressure - 3000N
17	Salt Spray Test	5%, 35℃, 48 hours
18	Save information	Check saved information
19	Indications and Precautions	Display Indications and Precautions

K Confirmation Letter of Declaration: KTC (Korea Testing Certification institute)