Those digital pressure controllers are designed to precisely measure and control the gas upstream or downstream pressure of a vessel. Their most valuable asset is to combine 3 functions in a single ergonomic instrument (Pressure measurement + PID control loop + control valve).
| Manufacturer | Brooks Instrument, Emerson Process Management |
| Fluids | Gas |
| Sizes | 1/8" to 1/4" |
| Max pressure & temperature | 300 Bar and 70°C |
| Pressure ranges | 0 - 1 bar to 0 - 100 bar |
| Accuracy | 0,5% of full scale |
| Rangeability | 50:1 |
| Straight run pipes | None |
| Options | Several communication protocols |
| Advantages | Integrated controled loop + control valve |
| Limitations | Flow range below 30 Nl/min |
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