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  General Service Gauge, Type 1009, ASME B 40.1, Grade 1A (±1% of span)
  Technical Briefs
Pressure Conversion Table
Pressure Gauge Accuracies
Liquid-filled Gauges and Diaphragm Seal - Halocarbon Fill Fluid
Corrosion Data Guide
Vacuum Range Gauges
Materials for Corrosive Service (Hydrogen)
ISO 9000
Bourdon Tube Rupture, Proof and Over Pressures
Dials: Material Identification of Bourdon Tube & Socket
Gauge Window Materials and Their Temperature Limits
Pressure Gauge Installation, Operation and Maintenance
Pressure Instrument Options
Product Selection Information