Winters PAM Series of gauges are used to measure pressure and temperature of most ammonia systems.
Winters PCT & PCT-LF Series of gauges come in brass or lead-free brass wetted parts with a 4.5" stainless steel case. These gauges are used in most commerical air, water and steam services (with syphon) and lead free version for portable water systems.
Winters PEU Series are economical pressure gauges used for panels. Typically used for measuring air, water and oils when equipement or processes require an economical panel mounted gauge. Suitable for non-clogging and non-corrosive media.