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Type 1187
Type 1188
Type 1189
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  Type 1187, 1188, 1189 Low Pressure Bellows Gauge, ASME B 40.1 Grade A (±2-1-2% of span)
  • Available in 4.5 and 6" dial sizes
  • Bellows-actuated mechanism
  • "Round Cap Tip" construction lowers stresses for longer life
  • Three bellows materials
  • Easily adjustable micrometer pointer
  • Phenolic (1188) or aluminum (1187, 1189) cases
  • All-stainless steel movements

Ashcroft® bellows gauges are used for measuring low pressures from 10 in.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.

Product Specs & Information
Dimension Drawings
Installation & Maintenance Information