Helle every one I’m looking for guidance on selecting an appropriate Coriolis flow transmitter for my process application. My operating parameters are:
- nominal flow rate of 60 ml/min,
- maximum flow rate of 100 ml/min,
- 1/4" NPT process connections
- and currently using DN4 tubing.
I have three Coriolis transmitters options with different DN sizes and characteristics:
DN01: Pressure drop of 170 mbar at nominal flow and 381 mbar at maximum flow, with 0.1% measurement accuracy.
DN02: Pressure drop of 8.31 mbar at nominal flow and 1.19 mbar at maximum flow, with 0.1% measurement accuracy.
DN04: Pressure drop of 1.3 mbar at nominal flow and 2.31 mbar at maximum flow, with measurement accuracy of 0.28% at nominal flow and 0.17% at maximum flow.
My main concern is that my system has a maximum allowable pressure drop constraint of 5 mbar. Additionally, I’m wondering about the impact of transitioning from my current DN4 tubing to a smaller DN2 Coriolis transmitter - will this tubing size reduction significantly affect the actual pressure drop in the system?
Based on these constraints and the need to minimize pressure drop while maintaining reasonable accuracy, which transmitter would you recommend? Any insights on the tubing size transition effects would also be greatly appreciated