The best replacement for pressure gauge is pressure absolute.

The best alternatives to pressure gauge are rated as following:
★★★★★  pressure absolute
★★★★  manometer
★★★  pressure indicator
★★  water pressure gauge
★★  pressure gauge
★  pressure transmitter
★  mechanical
★  air pressure gauge

Your alternative for pressure gauge is not listed? Suggest!
Speaking about pressure gauge, one probably shouldn't forget about snubber.

Other search terms related to pressure gauge and their ratings are:
★★★★★ snubber
★★ syphon
You have in mind a companion for pressure gauge and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of pressure gauge in all years. Click on graph for more.
pressure gauge
pressure absolute
manometer