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ANSI Z80.5-2010 pdf download Requirements for Ophthalmic Frames 1.1 Scope This standard shall apply to the manufacture of all frames intended for street wear as ophthalmic eyewear with prescription lenses, excluding specialty and novelty products such as...

ANSI Z80.9-2010 pdf download Ophthalmics – Devices for Low Vision 3.15 magnifier: Lens system designed to produce an enlarged image by relative distance magnification. It may be a simple single element or compound multiple element system. 3.15.1...

ANSI Z80.21-2010 pdf download Instruments – General-Purpose Clinical Visual Acuity Charts 3 Clinical optotype calibration 3.1 The reference optotype shall be the four-position Landolt Ring, or Landolt "C", which is an interrupted circle whose stroke width and...

ANSI Z80.30-2010 pdf download Ophthalmics – Toric Intraocular Lenses 7.3 Biological test requirements The requirements in 7.3 of ANSI Z80.7 shall apply, with the following additional requirements: Manufacturers of new toric IOL materials shall include in their...

ANSI NEIS-700-2010 pdf download Overcurrent Protection to Achieve Selective Coordination 4.1 Emergency Systems (NEC Article 700) NEC Article 700 includes a requirement that emer- gency system overcurrent protective devices be selectively coordinated with all supply side overcurrent...

ANSI SCTE-26-2010 pdf download Home Digital Network Interface Specification with Copy Protection This specification defines an MPEG-2 systems standard, including Transport Stream encoding. ISO/IEC 13818-1 is normative and required for devices complying with this standard. 8. ATSC...

ANSI SCTE 160-2010 pdf download Specification for Mini ‘F’ Connector, Male, Pin Type 4.0 INFORMATIVE REFERENCES The following documents may provide valuable information to the reader but are not required when complying with this standard. IPS SP...

ANSI AHRI-470-2006 pdf download Performance Rating of Desuperheater/Water Heaters 1.1 Purpose. The purpose of this standard is to establish for Desuperheater/Water Heaters: definitions; test requirements; rating requirements; minimum data requirements for Published Ratings; marking and nameplate data;...

ANSI AHRI 640-2005 pdf download Performance Rating of Commercial and Industrial Humidifiers 3.1.1.3 Ultrasonic Atomizer. A piezoelectric transducer immersed in a reservoir of mineral free water. The transducer converts a high-frequency electronic signal into a high-frequency mechanical...

ANSI API607-2005 pdf download ANSI/API Standard 607 Fifth Edition, June 2005 ISO 10497-5:2004 (Identical), Testing of valves— Fire type-testing requirements 4 Test conditions 4.1 Direction and conditions for valves to be tested 4.1.1 Symmetric seated valves intended...