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I am looking for a PLC/system with the following minimum requirements: 1. Low cost! ($750 USD) 2. 6x 4-20 mA input (if three can be thermocouple input would be good) 3. Wireless connectivity via TCP/IP, GPS and 3G (ability to choose which one) 4. Ability to log approx 1800 data points 5...

I have asked this in the environmental engineering forum (Water treatment & distribution) but this might be more appropriate forum. I am looking for suppliers who can help me with solution to treat molasses derived waste. In particularly I would be interested in membrane separation solutions...

I am looking for suppliers who can help me with solution to treat molasses derived waste. In particularly I would be interested in membrane solutions. Can anyone help me with the suppliers who are able to provide such services and products? Thank you in advance.

I have seen this topic a few times in deferent companies and people always argue about this every time it comes up. Even here it is being discussed see this thread . I would like to gather everyone’s experience and find out what is the best strategy to address the relationship between Part...

I am working in a company which is planning to ship electronic equipment to the USA from Australia. However I am not sure what approval is required in order to enable this. Therefore I was wondering if anyone knows where I should look in order to find out what approvals are required and what is...

Can anyone help me understand yeast manufacturing process. Also if they can explain the waste management issues with yeast production and what is COD? Thank you.

Dear all Please let me know if there is a better forum for this topic. I am interested to know what would be the power consumption of an Oxygen plant. Similar size to what is used in hospitals. It would be most useful if someone could let me know the Power usage per unit mass of oxygen for...

I am not sure if this is the correct forum for this however if you know of a better forum let me know. I am interested to know the power consumption of oxygen gas plant for a hospital. I understand that this is something that may very depending on the system, therefore if you could specify the...

Does anyone know where I can find a reference about pressure control and gas pressure regulator design. The general fluid dynamics and control book only talk about basic fundamentals. However I am looking for something that has industry practices covered as well. Some thing equivalent to...

I would ask this in an appropriate form if there was one but since this is the only forum Australia specific I will post this here. I apologise for any inconvenience caused in advance. I have realised that in USA and Canada the local governments have regulated the engineering profession. By...

Dear all I am located in Australia. I have been involved in electrotonic equipment manufacture and design in various industries for few years. However there has been no one who can give me clear guide line as to what is requirements for obtaining EMI, EMC, Safety and other electrical test in...

Hello Does anyone know what is the dynamic air pressure for a average adult human just inside the nose? Thank you

Hello I am trying to bring a pressure of Nitrogen or Oxygen gas from around the 300Bar relative (4351.1Psi) to just over the atmospheric pressures. To do this the first thing that came to mind was to use a needle valve. However I am not sure if this is the best way to go? I am trying to keep...

Dear members I am looking for a standard/guideline for specifying a breathing quality nitrogen gas. Does any one know any thing about safety of nitrogen gas? I know some athletes increase the % of nitrogen in their air intake for training and… however I am interested to find out what is it that...

Dear members I am looking for a company who can supply miniature pressure vessel (cylinder). Does any know of such company? By Miniature I mean around the 300 to 600 ml volume and pressures of up to 16 bar. Thank you

Dear all I am involved in writing specification for a production facility for a Active implantable medical device. I have 3 questions: 1. Can some one help me in finding any ISO or other standards that specify as to how "clean" (not non-toxic or non-bio hazardous) does the medical device need...

I am interested to know what considerations one needs to take in to account when designing a pneumatic nipple connector. Is there a documented design guide? Also I need to know how should I go about making sure we seal that the seal stays sealed despite large movement. Thank you

Dear All I am interested in production techniques for Open cell Polyurethane foam. Can any one help me as to what is involved in production of open cell PU foam? Is it reaction injection molding or are there other processes involved? Thanks

Dear all I am interested in information and design guides for sealing system design. I would like a handbook/design guide where it would tell me how I should approach the problem and what are best practices. Can anyone help me with a site/book/paper especially if it contains information about...

I am interested in an implantable wire for ECG signal transmission. Does any one know who makes such devices/components. The require wire diameter is approximately 0.1-0.2 mm. MK