You can’t run gear pumps at 3600 psi, let alone spike it up to 6000. And I don’t need any data logger to know that.
Even 3500 psi on PGP 300 series are only rated for pumps with smaller displacements. PGP 600 series can go to 4500 intermittent, - but no way it’ll sustain 6000 psi spikes.
You’ve...