Reference Charts & Information

Pressure Gauge Reference Materials

• Gauge Pressure & Vacuum Conversions

Electronic Products Reference Materials

• BFSL Thermal Performance
• Hazardous Location Classifications (NEC)
• IP Environmental Protection Codes
• Measuring the Pressure of High Temperature Media
• The Minimum Power Supply Voltage Required for a 2 Wire 4 mA to 20 mA Loop
• Transmitter Pressure Sensing Technology

Hydraulic Load Cells Reference Materials

• Hydraulic Load Cell References & Definitions

Diaphragm Seals

• Old to NEW Part Number Chart (Excel Format)

Links & Resources

Standards

	3-A Sanitary Standards	http://www.3-a.org
	American Gas Association	http://www.aga.org
	American National Standards Institute (ANSI)	http://www.ansi.org
	Energy API	http://api-ec.api.org
	American Society of Mechanical Engineers (ASME)	http://www.asme.org
	American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)	http://www.ashrae.org
	ASTM International Standards	http://www.astm.org
	Compressed Gas Association	http://www.cganet.com
	CSA International A leading provider of product testing and certification services.	http://www.csa-international.org
	Fluid Controls Institute (FCI)	http://www.fluidcontrolsinstitute.org
	FM Approvals	http://www.fmglobal.com
	International Electrotechnical Commission (IEC)	http://www.iec.ch
	International Society of Automation (ISA)	http://www.isa.org
	Acquisition Streamlining and Standardization Information System (ASSIST)	https://assist.daps.dla.mil/online/start
	Manufacturers Standardization Society (MSS)	http://www.mss-hq.com
	NACE International	http://www.nace.org
	National Fluid Power Association (NFPA)	http://www.nfpa.com
	National Institute of Standards and Technology (NIST)	http://www.nist.gov/srd/index.htm
	RoHS	http://www.rohs.gov.uk
	SAE International	http://www.sae.org/servlets/index
	Underwriters Laboratories Inc.	http://www.ul.com

Other

	Engineering.com - Quick Links & Calculators	http://www.engineering.com
	Mega Converter 2	http://www.megaconverter.com/mega2
	Cole Parmer Chemical Compatibility Look Up	http://www.coleparmer.com
	DuPont Chemical Resistance Guide (for choosing elastomers)	http://www.dupontelastomers.com
	Matweb Material Property Data	http://www.matweb.com
	NIST Thermophysical Properties of Fluid Systems	http://webbook.nist.gov/chemistry/fluid
	NIST Search for Species Data by CAS Registry Number	http://webbook.nist.gov/chemistry/cas-ser.html.en-us.en
	Environment, Safety and Health (at Lawrence Livermore National Laboratory)	http://esh.llnl.gov
	Unified Engineering Inc. Convert Hardness to Tensile Strength	http://www.unified-eng.com/scitech/hardness/hardness.html
	Periodic Table of Elements	http://www.ptable.com
	MSDS Online	http://www.msdsonline.com