UL1647标准更新

TZX1976

广东安规检测
有限公司提供：

小型摆管淋雨试验机

IPX5X6X7喷水试验机

1000L恒温恒湿箱

各种试验指现货

可程式恒温恒湿试验箱

水平垂直燃烧机

自动卷线器试验机

耐划痕试验机

各种灯头量规现货

灼热丝试验机现货

GB1002插头量规

IPX1-X7淋雨现货

IEC61347/UL935镇流器热试验箱

灯具防风罩

IK冲击试验机

UL498插头插座量规

VDE0620插头插座量规

稳定性试验台

家电温升测试角

针焰试验机现货

热电偶焊机现货

家电125mm试验指

E12灯头量规

无绳壶无绳电熨斗插拔寿命试验机

IEC60335试验指甲

UL1647第五版和第四版只相隔了1年半的时间, 又要花钱升级了.

TZX1976

77.1 A treadmill shall comply with applicable requirements in CISPR 14-1,
6 C+ R; j5 _$ i' @8 [0 M: eElectromagnetic compatibility – Requirements for household
appliances, electric tools and similar apparatus – Part 1: Emission.
The applicable requirements are considered to be the requirements for
7 m* h' i$ ~5 F1 v" e' ~! Mhousehold appliances with disturbance
2 |% ]7 F0 K' S* F+ }6 o, u6 ?) u( Vlimits of mains terminal voltages for the frequency range 148.5 kHz to
( k2 r5 F5 y6 }30 MHz.
2 x0 l% }7 c: h0 r5 R$ D77.2 During the testing specified in 77.1, the treadmill shall be operated at
no load and maximum normal load, and at low and high speed. If the
0 D1 V2 {. G7 S5 ~0 Y( S% Btreadmill is provided with a motor-operated incline system, the
$ K) J0 h: L* O9 F1 f  Itreadmill belt is also to be raised and lowered during the testing.
77.3 Maximum normal load is considered to be the treadmill operating at
- Z0 m7 W- y8 M% e) t4 ~& A4 Gmaximum speed with the maximum rated weight applied to the
treadmill belt. A suitable load application device (such as an electric
2 q) |1 V' B' g: l. t' l; C1 hmotor dynamometer) that provides a load to the motor and drive
system equivalent to the load of the treadmill operating with the
maximum weight user at maximum speed may be used for the test.

好象是专门针对跑步机的, 增加了EMC测试, 以及对皮带的加载测试.

Liu

对了一下标准也没啥好升级的：
This new fifth edition incorporates new and revised requirements as follows and reflects the April 21, 2011 ANSI approval date for UL 1647:
% N2 s2 T, K6 H1. Addition And Revision Of Requirements To Relocate Component Standard References
From Appendix A Into The Body Of The Standard As Component Requirements
! X. ?) b1 c; R" \2. Addition Of New Requirements To Address AFCI Nuisance Tripping Due To Excessive
. r! S, N2 F* P& CEMI

8 P+ O1 w1 t' _/ m. [7 P% G* \: {
$ n! M4 a8 d4 s+ D
, R- B, _+ p' L$ ~; ~& V

Future Effective Date	References ' {, I3 a+ F$ H7 G
August 5, 2011 2 [4 o+ h/ Z! {) P9 c: @	Paragraphs 1.3, 1.5, 1.6, 4.25, Section 10, Paragraphs 13.1.1.10, 38.5, 39.7, Sections 40 and 41, Paragraph 49.2.5, Sections 54 – 57, Clauses 63.3, 64.1.1 – 64.1.4, 64.2.1, 64.2.2, 66.6.3, Sections 71, 72 77, Paragraphs 81.5, 81.6, 81.7, 83.6, and 84.4
April 21, 2014	Section 77