Heavy Duty DIN Bar/PSI Cylinder Fill Check Gauge. This item is designed for surface use. Maximum 400 bar or 5700 psi on dial display. A Superb gauge for checking cylinder pressures when mixing for Trimix or Nitrox & ensuring your local dive shop / club have supplied the correct cylinder pressure before departing to your dive site.
- Push Button Pressure Release Valve
- Maximum 400 bar or 5700 psi on dial