The Ashcroft® 1189 bellows gauge is used when low pressure measurement is a requirement.
| Accuracy Dial | Size and Case Material | Ranges |
| ASME B40.100 Grade A (±2-1-2% of span) Available with optional ASME B40.100 Grade 1A (±1% of span) | 4.5", 6" Aluminum black epoxy coated | 10 in H20 to 10 PSI including Vacuum and Compound |
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