It is suitable for the collision performance test of combustible gas alarm controller and special fire detector.
1. detector and Controller Crash Test Apparatus Scope of application:
It is suitable for the collision performance test of combustible gas alarm controller and special fire detector.
2. Compliant standards
2.1 Comply with IEC 61779: 2003 "Electrical apparatus for the detection and measurement of flammable gases";
2.2 Comply with Article 5.13 "Collision Test" and Figure 6 of GB15631-2008 "Special Type Fire Detectors";
2.3 Comply with Article 5.11 of GB/T16383-2021 "Quality control for radiation sterilization of medical and hygienical products", "Collision Test Method A" and Figure B.4 and "Collision Test Method B".
3. Technical parameters:
3.1 Instrument composition: composed of pendulum mechanism, pendulum rod and hammer head;
3.2 Pendulum: the outer diameter is (25±0.1) mm, the wall thickness is (1.6±0.1) mm;
3.3 Pendulum:
3.3.1 Material: made of hard aluminum alloy;
3.3.2 Specifications: length 94mm, width 76mm, height 50mm;
3.3.3 Angle: The angle between the beveled surface of the hammer head and the longitudinal axis of the hammer head is 60°±1°;
3.3.4 Mass of working hammer: 0.55kg;
3.3.5 Vertical mass: 0.79kg;
3.4 Collision energy: (1.9±0.1) J;
3.5 Impact velocity: (1.5±0.125) m/s;
3.6 Collision test Method B:
3.6.1 The hammer head is hemispherical, with a radius of 10mm;
3.6.2 Impact energy: (0.50±0.04) J