I have an accu-gauge brand for my low pressure needs.

Here’s one for Schroeder valves:

https://www.amazon.com/Accu-Gage-Pressure-Protective-Rubber-Angled/dp/B07HHLBKXN

Presta:

https://www.amazon.com/Meiser-Presta-Valve-Gauge-Pressure-Relief/dp/B004XISIK4/ref=mp_s_a_1_9?dchild=1&keywords=accugage+tire+pressure+gauge&qid=1606557911&sprefix=accugauge&sr=8-9

FYI- there is a 15 psi gauge available for presta via the drop down box