) r5 s& q4 E& `- W19.5.3 A thermocouple intended to measure ambient temperature shall be immersed in 15 ml (0.5 oz) of mineral oil in a glass container or attached to a metal mass of approximately 30 g (1 oz) that is within a cylindrical metal shield open at the top and bottom. ; r: [6 m3 Q$ O$ i5 B19.5.4 The glass container or cylindrical metal shield shall be placed in the horizontal plane passing 2 s2 a' ^8 `* B' h! Othrough the midpoint of the luminaire’s vertical axis at a horizontal distance from the luminaire equal to at least 3 times the luminaire diameter.作者: yly 时间: 2016-6-29 11:07
我一般是放在与测试灯具水平位置的防风罩外面,这个正确不?作者: gmr24185 时间: 2016-6-29 15:19