: N' _5 _7 @1 [& m4 A+ i: b感谢,确实如此,我也是因为TUV报告以前看见打上了符号,所以有点纠结,问了几个工程师,意见也不统一,我也倾向于没有UV辐射的灯具不打此标示作者: bob_dai 时间: 2015-8-5 02:17
protection against UV emission or lamp shattering, 标准已经写的很清楚,只有tungsten halogen lamp or metal halide lamp 才需要protective shield,LED灯具明显是不适用的。+ r( q# e0 Q$ ?3 B
1.2.71 5 ~2 {4 ^6 m. ~- K* ^- j: B( Fself-shielded lamp! H* N& d! e, l: w; n( p4 O
tungsten halogen lamp or metal halide lamp for which the luminaire needs no protective shield $ e5 r9 W- B8 x. a0 y9 o/ m) Gfor protection against UV emission or lamp shattering 7 K3 l4 T; p' Y4.21 Protective shield ! I9 n7 M) i5 j# k4.21.1 Because of the possible risk of lamp shattering, luminaires designed for tungsten 5 a2 G) H0 T0 z8 H6 `' `7 E4 Ihalogen lamps and luminaires designed for metal halide lamps shall be fitted with a protective Y8 J) r" ?8 L; N- l/ ~0 {. C: [9 W
shield. For tungsten halogen lamps, the shield shall be of glass.# x" v- E( G$ o) f! n1 B
Luminaires designed to be used with self-shielded lamps only are exempt from this# Q, @" t9 Q# h) A/ ]1 V7 v
requirement, but shall be marked with the appropriate symbol (see Figure 1).