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ANSI UL 887-1999 UL Standard for Safety Delayed-Action Timelocks (Eighth Edition Reprint with Revisions Through and Including June 26 2018).pdf

1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 887 Delayed-Action TimelocksUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRO

2、DUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Delayed-Action Timelocks, UL 887 Eighth Edition, Dated October 5, 1999 Summary of Topics This revision of ANSI/UL 887 is being issued to reect the reaffirmation of the ANSI approval of the Standard. No technical changes ha

3、ve been made to the document. Text that has been changed in any manner or impacted by ULs electronic publishing system is marked with a vertical line in the margin. Changes in requirements are marked with a vertical line in the margin and are followed by an effective date note indicating the date of

4、 publication or the date on which the changed requirement becomes effective. The revised requirements are substantially in accordance with Proposal(s) on this subject dated January 18, 2013. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmit

5、ted in any form by any means, electronic, mechanical photocopying, recording, or otherwise without prior permission of UL. UL provides this Standard as is without warranty of any kind, either expressed or implied, including but not limited to, the implied warranties of merchantability or tness for a

6、ny purpose. In no event will UL be liable for any special, incidental, consequential, indirect or similar damages, including loss of prots, lost savings, loss of data, or any other damages arising out of the use of or the inability to use this Standard, even if UL or an authorized UL representative

7、has been advised of the possibility of such damage. In no event shall ULs liability for any damage ever exceed the price paid for this Standard, regardless of the form of the claim. Users of the electronic versions of ULs Standards for Safety agree to defend, indemnify, and hold UL harmless from and

8、 against any loss, expense, liability, damage, claim, or judgment (including reasonable attorneys fees) resulting from any error or deviation introduced while purchaser is storing an electronic Standard on the purchasers computer system. The requirements in this Standard are now in effect, except fo

9、r those paragraphs, sections, tables, gures, and/or other elements of the Standard having future effective dates as indicated in the note following the affected item. The prior text for requirements that have been revised and that have a future effective date are located after the Standard, and are

10、preceded by a SUPERSEDED REQUIREMENTS notice. APRIL 9, 2013 UL 887 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL APRIL 9, 2013 UL 887 tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTIO

11、N WITHOUT PERMISSION FROM UL OCTOBER 5, 1999 (Title Page Reprinted: April 9, 2013) 1 UL 887 Standard for Delayed-Action Timelocks First Edition September, 1934 Second Edition January, 1945 Third Edition July, 1972 Fourth Edition December, 1977 Fifth Edition October, 1983 Sixth Edition December, 1988

12、 Seventh Edition May, 1994 Eighth Edition October 5, 1999 This ANSI/UL Standard for Safety consists of the Eighth Edition including revisions through April 9, 2013. The most recent designation of ANSI/UL 887 as a Reaffirmed American National Standard (ANS) occurred on April 9, 2013. ANSI approval fo

13、r a standard does not include the Cover Page, Transmittal Pages, Title Page, or effective date information. Comments or proposals for revisions on any part of the Standard may be submitted to UL at any time. Proposals should be submitted via a Proposal Request in ULs On-Line Collaborative Standards

14、Development System (CSDS) at http:/. ULs Standards for Safety are copyrighted by UL. Neither a printed nor electronic copy of a Standard should be altered in any way. All of ULs Standards and all copyrights, ownerships, and rights regarding those Standards shall remain the sole and exclusive propert

15、y of UL. COPYRIGHT 2013 UNDERWRITERS LABORATORIES INC. ANSI/UL 887-2004 (R2013)UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL JULY 25, 2008 DELAYED-ACTION TIMELOCKS - UL 887 2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR F

16、URTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS INTRODUCTION 1 Scope .5 2 General 5 2.1 Components .5 2.2 Units of measurement .6 CONSTRUCTION 3 General 6 4 Corrosion Protection .6 PERFORMANCE 5 Endurance Test .6A 6 Variable Ambient Temperature Test 6A 7 Humidity Test .7 8 Vi

17、bration Test 7 9 Dust Test 7 MARKINGS 10 General .7 JULY 25, 2008 DELAYED-ACTION TIMELOCKS - UL 887 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL This page intentionally left blank. JULY 25, 2008 DELAYED-ACTION TIMELOCKS - UL 887 4UL COPY

18、RIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL INTRODUCTION 1 Scope 1.1 These requirements cover delayed-action timelocks intended for attachment on the doors of safes, chests, vaults, and the like, to provide a means for locking the door for a pr

19、edetermined length of time as protection against burglary or robbery or both. 1.2 The timelocks covered by these requirements may be automatic, manual, or both, in operation depending upon their design. Automatic devices can be factory set to a xed minimum time delay of 5 minutes. Manual devices are

20、 generally set by the user with a key or similar device to provide delays of 120 hours or more. Some designs may include both the automatic delay feature for interior robbery protection and the manual delay feature for burglary protection. 1.3 A product that contains features, characteristics, compo

21、nents, materials, or systems new or different from those covered by the requirements in this standard, and that involves a risk of re or of electric shock or injury to persons shall be evaluated using appropriate additional component and end-product requirements to maintain the level of safety as or

22、iginally anticipated by the intent of this standard. A product whose features, characteristics, components, materials, or systems conict with specic requirements or provisions of this standard does not comply with this standard. Revision of requirements shall be proposed and adopted in conformance w

23、ith the methods employed for development, revision, and implementation of this standard. 2 General 2.1 Components 2.1.1 Except as indicated in 2.1.2, a component of a product covered by this standard shall comply with the requirements for that component. 2.1.2 A component is not required to comply w

24、ith a specic requirement that: a) Involves a feature or characteristic not required in the application of the component in the product covered by this standard, or b) Is superseded by a requirement in this standard. 2.1.3 A component shall be used in accordance with its rating established for the in

25、tended conditions of use. 2.1.4 Specic components are incomplete in construction features or restricted in performance capabilities. Such components are intended for use only under limited conditions, such as certain temperatures not exceeding specied limits, and shall be used only under those speci

26、c conditions. MARCH 19, 2004 DELAYED-ACTION TIMELOCKS - UL 887 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 2.2 Units of measurement 2.2.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory or ap

27、proximate information. CONSTRUCTION 3 General 3.1 Mechanical parts, such as clockwork, gears, springs, pivots, and the like, shall be enclosed to protect against dust, moisture, and mechanical damage. 3.2 The timer shall be provided with a simple and convenient means of setting, or winding, or both,

28、 for frequent use. 3.3 Automatic devices shall not be provided with levers or other attachments by which the user can interrupt, reduce, or nullify the time-delay period after the unit is installed in the secure condition. 3.4 The mechanism shall be constructed to reduce the risk of premature stoppa

29、ge and shall provide reserve power for release of the lock at the expiration of its time limit. 3.5 The operation of the device shall not permit it to be set to a time delay of less than 5-minute duration. 3.6 The device shall not be capable of having the running period (see 3.5) interrupted or redu

30、ced after it has begun. 3.7 The complete assembly shall not produce a visual signal, nor an audible signal above 50 decibels, upon expiration of the timelocked period. 3.8 The sound level measurement shall be made using a sound level meter using a weighting network and fast response characteristics.

31、 The microphone shall be located 1 foot (0.3 m) in front of the timelock. The ambient sound level shall be 44 decibels or less. 4 Corrosion Protection 4.1 All working parts of the lock mechanisms shall be constructed of brass, bronze, stainless steel, or other corrosion-resistant materials. MARCH 19

32、, 2004 DELAYED-ACTION TIMELOCKS - UL 887 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL PERFORMANCE 5 Endurance Test 5.1 The timelock opening shall not vary by more than 1 minute for a 5-minute setting or 3 minutes for a 15-minute setting

33、before and after being operated for 120 cycles on the minimum delay opening. For the purpose of this requirement, a cycle is to be dened as a locking and unlocking of the timelock device. 6 Variable Ambient Temperature Test 6.1 The accuracy of the timelock shall not vary by more than 1 minute for a

34、5-minute setting or 3 minutes for a 15-minute setting after being subjected to: a) An ambient temperature of 49C (120F) for 4 hours, and b) An ambient temperature of 0C (32F) for 4 hours. MARCH 19, 2004 DELAYED-ACTION TIMELOCKS - UL 887 6AUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTI

35、ON OR DISTRIBUTION WITHOUT PERMISSION FROM UL MARCH 19, 2004 DELAYED-ACTION TIMELOCKS - UL 887 6B No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 7 Humidity Test 7.1 The accuracy of the timelock shall not vary by more tha

36、n 1 minute for a 5-minute setting or 3 minutes for a 15-minute setting after being subjected to a relative humidity of 85 5 percent and a temperature of 30 2C (86 4F) for 24 hours. 8 Vibration Test 8.1 The accuracy of the timelock shall not vary by more than 1 minute for a 5-minute setting or 3 minu

37、tes for a 15-minute setting following the test described in 8.2. 8.2 Two samples are to be vibrated at an amplitude of 0.01 inch (0.25 mm) at a frequency that is varied from 10 to 35 hertz in increments of 5 hertz until a resonant frequency is obtained. The samples then are to be vibrated at the max

38、imum resonant frequency for a period of 15 minutes. If no resonant frequency is obtained, the samples are to be vibrated at 35 hertz for a period of 4 hours. 8.3 For the purpose of these requirements, amplitude is dened as the maximum displacement of sinusoidal motion from a position of rest or one-

39、half of the total table displacement. Resonance is dened as the maximum magnication of the applied vibration. 9 Dust Test 9.1 The accuracy of the timelock shall not vary by more than 1 minute for a 5-minute setting or 3 minutes for a 15-minute setting following the test described in 9.2. 9.2 The tim

40、elock shall be subjected for 1 hour to an atmosphere containing cement dust that has passed a 200-mesh sieve, circulated to all sides of the product by compressed air or a blower so as to completely obscure the sample in the test chamber. MARKINGS 10 General 10.1 Each timelock shall be marked with t

41、he manufacturers or private labelers name or identifying symbol and model or type designation. 10.2 Each timelock shall be accompanied with a sign for attachment to the exterior of the protected safe or door to clearly indicate the presence of such a device. 10.3 If a manufacturer produces timelocks

42、 at more than one factory, each timelock shall have a distinctive marking to identify it as the product of a particular factory. OCTOBER 5, 1999 DELAYED-ACTION TIMELOCKS - UL 887 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL OCTOBER 5, 1999 DELAYED-ACTION TIMELOCKS - UL 887 8 No Text on This Page

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