Water pressure gauges can be purchased at all of the home improvement stores. Home Depot, Lowe's, and Berry Home Centers all carry them. Walmart even has them on their website.
Omega is a great company for all of your pressure gauge needs! They have been selling gauges for decades, and I'm sure you can find everything you need there!
water for example.absolute pressure; gauge pressure; atmospheric pressure
No. The diaphragm on the pressure gauge is leaking, and the gauge will soon be inoperative. Have the extinguisher serviced and repaired.
Yes you can. A dry standpipe system has an air pressure and a water gauge the air pressure gauge is normally found on the top or the (pressure side) the water gauge is normally located on the bottom under the air pressure gauge or the (supply side)
look at the gauge
Absolute
To answer you question more thoroughly I will need more detail because there are several different types of water qauges. You have a water temperature gauge, water pressure gauge and water level gauges.
1050 feet of water = (1050 * 0.433527) 455.2 psi gauge pressure
It has an internal leak letting water get into it.
You switch off the pump, drain the pressure tank, then remove old gauge and fit new one.
one inch water gauge
you get a pressure gauge that screw onto laundry or garden faucet
You can purchase a high pressure water pump online from stores such as The Home Depot. Alternatively, you can also purchase these pumps from retailers such as Amazon.