If anyone can get in gauges from McMaster Carr, they have some miniature 1" back mount gauges.... 5% tolerance....
Center Back Connection
Dial Size; Pipe Size; # ; $ Each
1" ; 1/8" ; 9767T21 ; $10.78
0-4000 & 0-5000 psi is 200 psi divisions; 0-6000 psi is 500 psi divisions.... all have numbers at 1K increments.... I would think the 4000 psi gauge would be pretty good for our use except on a 4500 psi tank, and then the 5000 psi would be good.... The dial sweeps ~ 150 degrees, similar to the ones on Ninja regulators....
They also have a good selection of 1.5" liquid filled gauges with 1/8" NPT mounts on the bottom and the back.... and one dry 1.5" gauge with a 2% tolerance....
Center Back Connection
Dial Size; Pipe Size; # ; $ Each
1.5" ; 1/8" ; 40565K52; $12.18
0-3000 & 0-4000 psi is 100 psi divisions, numbers in 1K increments.... Gauges are not as accurate at full scale, and easy to over-drive the mechanism, so I would recommend the 3000 psi for use to 2500 and the 4000 psi above that.... The dial sweeps ~270 degrees....
Bob
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