The absolute pressure is around 5 Pa; how should a pressure transmitter be selected in such a case?

2019-12-10View Original

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Both Rosemount and ABB say they can’t guarantee it

Reply #22019-12-10

First, I want to know how an absolute pressure of 5 Pa is achieved – that’s almost a complete vacuum

Reply #32019-12-11

It’s pumped by a third-stage vacuum pump – does anyone have experience with this?

Reply #42019-12-11

Is that okay? Does Yamaki make transmitters? . .

Reply #52019-12-11

I want to know this too. Currently we use products from Chuanyi, but their lifespan is really poor – they break after just a few months!

Reply #62019-12-11

With such extremely low pressure, why not use a vacuum gauge directly? Why is it necessary to use a pressure transmitter?

Reply #72019-12-11

I also consulted with vacuum gauge manufacturers, but it seems that explosion-proof versions aren’t available

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The absolute pressure is around 5 Pa; how should a pressure transmitter be selected in such a case?

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