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Fiber Optic Oxygen Sensors Theory of Operation 

The intensity of fluorescence at zero pressure of oxygen (I 0 ) depends on details of the optical setup: the power of the LED, the optical fibers, loss ... of light at the probe due to fiber coupling, and backscattering from the sample. It is important to measure the intensity of fluorescence at zero pressure...   [More...] [Less...]

HazardEx - CSB moves on gas purging code 

US industry will soon be subject to a revised set of operating regulations following a Chemical Safety Board (CSB) public meeting in Raleigh, NC, which ... approved the wording of two urgent safety recommendations on gas purging safety. The draft recommendations, which were approved as presented without...   [More...] [Less...]

gEDA Project's Homepage 

What is gEDA? The gEDA project has produced and continues working on a full G PL 'd suite and toolkit of E lectronic D esign A utomation tools. These ... tools are used for electrical circuit design, schematic capture , simulation, prototyping, and production. Currently, the gEDA project offers a mature...   [More...] [Less...]

Mozilla Firefox 

General guidelines for SnPb and Pb-free alloys. Increased PCB complexity and component density make selective soldering a popular technology, especially ... when the ratio between surface mount and through-hole components is high. As a replacement for hand soldering or wave soldering with pallets, selective...   [More...] [Less...]

Printed Circuit Board Layout Time Estimation 

Predictability for PCB Layout Density 

Predicting PCB Density 

Comparing design data requirements to design resources can result in better electronic performance at a reduced cost. Proper design of high-speed, analog ... PCBs can make and break system electrical performance. Complex physical and electrical designs, densely packed boards and faster signal requirements...   [More...] [Less...]

HazardEx - Water sampler for gas detection 

Select Industrial news Chemical Food & Beverage Nuclear Oil & Gas Petrochemical Pharmaceutical Renewables Utilities & Transportation Regional news Africa ... Asia Australia/Oceania Europe Russia The Americas The Middle East United Kingdom Products Access Control Systems Actuators Alarm Systems Amplifiers...   [More...] [Less...]

Intellect Technology Association - PCB Fabricators and Suppliers Group 

About Intellect Intellect is the UK trade association for the IT, telecoms and electronics industries. Its members account for over 80% of these markets ... and include blue-chip multinationals as well as early stage technology companies. These industries together generate around 10% of UK GDP and 15% of...   [More...] [Less...]

HazardEx - United Nation's IECEx endorsement will cut red tape 

The United Nations Economic Commission for Europe (UNECE) has this week formally endorsed the use of the IECEx certification system for the verification ... of product compliance with international safety standards in hazardous areas. The scheme will provide adequate risk mitigation without creating excessive...   [More...] [Less...]