Free Standards Download

ANSI CTA 2038-2012 pdf download Command-Driven Analog IR-Synchronized Active Eyewear 4.3.2 Command Timing a. The transmit time for each command shall be equal, the actual time depends on the short or long encoding selected. b. The actual...

ANSI B11.9-2010 pdf download Safety Requirements for Grinding Machines 3.2 coated abrasive product: A coated abrasive product consists of a layer of abrasive particles firmly attached to a paper, cloth, fiber backing，or other flexible bonding material by...

ANSI API-RP-13M-2004 pdf download Recommended Practice for the Measurement of Viscous Properties of Completion Fluids 6 Fluid preparation using shear-history simulation (optional) 6.1 General A shear-history simulation procedure is provided to simulate the effects of shear rate...

ANSI-ASAE-S366.2-2004 pdf download Agricultural tractors and machinery – General purpose quick-action hydraulic couplers 1 Scope This International Standard specifies the essential interface dimensions and the operating requirements for hydraulic couplers employed to transmit hydraulic power from agricultural...

ANSI ASC-X9-X9.103-2004 pdf download Motor Vehicle Retail Sale and Lease Electronic Contracting 5 Electronic Signatures 5.1 Use of Electronic Signatures in this Standard The definition of Electronic Signature provided in clause 3.10 treats a wide variety of...

ANSI ASHRAE-15-2004 pdf download Safety Standard for Refrigeration Systems 4. OCCUPANCY CL ASSIFICATION 4.1 Locations of refrigerating systems are described by occupancy classifcations that consider the ability of pcople to respond to potential exposure to refrigerant as...

ANSI ASHRAE-158.1-2004 pdf download Methods of Testing Capacity of Refrigerant Solenoid Valves 4. INSTRUMENTATION 4.1 General. Instruments shall have the accuracies listed in this standard and shall be certified standard instruments. 4.2 Temperature-Measuring Instruments 4.2.1 Temperature shall...

ANSI 124.1.2-2005 pdf download American National Standard for Plastic Bathtub and Shower Units 2.1.3 Supporting structure. The material of the supporting structure integral with the unit and its attachment shall be adequate to meet the performance requirements...

ANSI ASHRAE-23-2005 pdf download Methods of Testing for Rating Positive Displacement Refrigerant Compressors and Condensing Units 5. REQUIREMENTS 5.1 Test Requirements. 5.1.1 Compressor or Condensing Unit Ratings. Each test data point used for rating a compressor or...

ANSI AHRI -270-2008 pdf download Sound Performance Rating of Outdoor Unitary Equipment 4.2.1 In the first step, the sound measurements shall be made with the equipment operating at the ARI standard thermal rating condition in ARI Standards...