Ashcroft^® 1188 and 1189 low pressure bellows gauges are used for measuring low pressures from 10″ H₂O to 10 psi pressure as well as vacuum and compound ranges. Coupled with their sensitivity, these gauges have a rugged design for process and industrial applications. Ashcroft's 1188 series is available in 4.5" dial and features a phenolic, black case. The 1189 series is available in 4.5" and 6" dials and features an aluminum case. Both the 1188 and 1189 series have all stainless steel movement, three bellows materials, bellows-actuated mechanism, and an easily adjustable micrometer pointer.