UL 2333-BULLETINS:2002 pdf download Proposed Requirements for the First Edition of the Standard for Infrared Thermometers, UL 2333 (TECHNICAL COMMITTEE BALLOT ENCLOSED); PROPOSED EFFECTIVE DATE
NOTE: Proposed requirements are of a tentative and early nature and are for review and commentonly. Current requirements are to be used to judge a product until these requirements are published infinal form.
1. Paragraph 7.5 – External Surfaces
2. Paragraph 8.1 Vibration Encountered During Normal Operation
3. Paragraph 10.3 (NEW) – “Low Battery Indicator
4. Paragraph 16.3.1 – Editorial Revision
5. Section 18 and Paragraph 21.11 – Resistance to Electrostatic and Electromagnetic Noise
6. Paragraph 18.3.1 – Country of Use
7. Paragraph 20.6 (NEW) – Screening Tool Marking
8. Paragraph 21.18 – Tape for Field Verification
TECHNICAL COMMITTEE BALLOTS AND ALL COMMENTS DUE: AUGUST 12, 2002
Attached as Appendix A for your review and comment are proposed requirements for ANSI/UL 2333,including rationale and impact statements for the proposed revisions. Efective date information is alsoincluded. Attached as Appendix B, C, and D are the Technical Committee membership roster,instructions for completing the Technical Commitee ballot, and the Technical Committee ballot.respectively. Questions regarding interpretation of requirements should be directed to the responsibleUL Staff. Please see Appendix E of this bulletin regarding designated responsibility for the subjectproduct category
PRODUCTS AND INDUSTRIES AFFECTED BY THE PROPOSAL
UL requests your assistance in identifying other products or industries that might be affected by therequirements contained in this bulletin. UL suggests that all suppliers or customers for these productsand industries be made aware of these requirements prior to their proposed effective date. Also, pleaseforward your suggestions to UL so that these products and industries may be identified in futurebulletins.
Unless specifically requested to do so, UL will not acknowledge comments indicating concurrence withthese proposals.
RATIONALE
The proposed revision to 7.5 intends to make it more clear what is considered an “unnecessary ledgeprojection,or crevice”.
IMPACT
This revision is proposed to be effective upon publication.
PROPOSAL
7.5 External surfaces shall be free of tnneeessaryany ledges, projections, and crevices te allew easyeleaning and-to facilitate maintenaneethat are decorative or gratuitous and are not reauired for effectivedesian or proper operation of the equipment.
2VIBRATION ENCOUNTERED DURING NORMAL OPERATION
RATIONALE
The effects of normal handling are substantially addressed by the tests described elsewhere in theStandard. The proposed revision is therefore intended to provide specific criteria not otherwiseassessed elsewhere in the Standard.
IMPACT
This revision is proposed to be effective upon publication.PROPOSAL
8.1 A device shall be assembled so that it will not be adversely affeeted by thesubject to unintendedactuator movement due to vibration of normal operation.