Originally Posted by gettfo
Someone please correct me since I'm probably wrong, but if the stickys/manual say that the LPR must be 70-80psi, it doesn't matter what your HPR is, the LPR HAS to be 70-80. So with this tester, set the LPR first to its mandatory setting, and then adjust the HPR to get 280fps
correct or wrong?
That is how I have always done my guns. I only check the HPR if one of my guns isn't working right.
If you wanted to save on the cost, you can do what I did. Use an old bottomline and stick a gauge in the port. Screw your reg in and adjust it according to the gauge. If you have the parts lying around it's an easy throw together tester that's good for regs and to check your tank output.