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  • Users: trev150
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  1. trev150

    Data Logging Question

    Hello Everyone, I have been a little problem to solve and I could do with some input. I need to trend a vacuum pressure level inside a tank at approximately 10Hz (every 0.1s). I was going to go with a Allen Bradley PLC and a sensor with an analogue output of 4-20mA or 0-10volt but the budget...
  2. trev150

    Vacuum Question

    Hello Everyone, Doing a little R&D at the minute and I have come up against a wall so please help. There will be a small tank of 50 litres and larger tank of 450 litres. I will suck out the 450 Litre so it is as close to an absolute vacuum as possible ( lets assume a perfect vacuum to keep...

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