Fluke 3990 Manual Pressure Control Packs

  • Self-contained for ease-of-use
  • Includes precision adjustor to allow increments as fine as 0.00025 psi
  • 1000 and 3000 psi models also provide absolute and negative gauge mode
  • Includes metering valve for fine control
  • Vent valve provides easy means to vent pressure to atmosphere
  • Convenient 1/4 inch NPT connections