Free Standards Download

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...

ANSI ARI-530-2005 pdf download RATING OF SOUND AND VIBRATION FOR  REFRIGERANT COMPRESSORS 1.1 Purpose. The purpose of this standard is to establish for the rating of sound and vibration for Refrigerant Compressors: definitions; test requirements; rating requirements; minimum data requirements...

ANSI AMCA 220-2005 pdf download Laboratory Methods of Testing Air Curtain Units for Aerodynamic Performance Rating 1. Scope The scope of this standard covers the performance testing of air curtain units. The purpose of this standard is...

ANSI ASSE A10.6-2006 pdf download ANSI/ASSE A10.6-2006 Safety and Health Program Requirements for Demolition Operations- American National Standard for Construction and Demolition Operations 3.5 Catch Platform. A temporary structure erected around, attached to and abutting the building...

ANSI C-80.3-2005 pdf download American National Standard for Steel Electrical Metallic Tubing (EMT)、 1 Scope This standard covers the requirements for steel electrical metallic tubing, for use as a raceway for wires or cables of an electrical...

ANSI C18.3M-1-2005 pdf download American National Standard for Portable Lithium Primary Cells and Batteries— General and Specifications 1.1 Scope and purpose 1.1.1 Scope This standard applies to portable lithium primary cells and batteries. This edition includes the...

ANSI C63.5-2006 pdf download American National Standard Electromagnetic Compatibility–Radiated Emission Measurements in Electromagnetic Interference (EMI) Control–Calibration of Antennas (9 kHz to 40 GHz) This value will represent the free-space antenna factor within an error smaller than the...

ANSI C63.7-2005 pdf download American National Standard Guide for Construction of Open-Area Test Sites for Performing Radiated Emission Measurements 6.1 Ground plane Size and shape of ground plane The size and shape of the reflecting surface, or...

ANSI C63.17-2006 pdf download American National Standard Methods of Measurement of the Electromagnetic and Operational Compatibility of Unlicensed Personal Communications Services (UPCS) Devices 1.3 Roadmap to the document The tests for UPCS devices fall into two categories....