Marsh Instruments General Service Steel Case Gauges are an economical, general purpose gauge for pressure measurement from vacuum/compound through 5000 psi. Suited for use with water, oil, air, gas, or other non-corrosive media. Typical applications include FRLs, compressors, pumps, boilers, regulators, dryers as well as commercial and industrial equipment.

• Accuracy: ASME Grade B = ± 3/2/3 (± 2% of range across middle half of scale)
• Case Size 1½", 2", 2½", 3½", 4½" diameter
• Case Material: Steel, black painted
• Case Style:
  CB — Central Back Mount
  LM — Lower Mount
  UC — U-Clamp Mount
  See option tables for Front Flange
• Tube & Socket: Copper alloy
• Movement: Brass
• Connections: ¹/8" & ¼" NPT
• Ranges: 0 to 30" Hg VAC;
  Compound 30" Hg vac to 400 psi;
  15 to 5,000 psi
• Dial Standard: Dual scale psi and kPa
• Dial Color: Black markings on white
• Pointer: Aluminum, black painted
• Window: 1½", 2", 2½", 3½" : acrylic, twist-in clearlok;
  4½" : flat glass window w/ steel friction ring
• Restrictor: Standard for ranges 1,000 psi and above