Agilent Technologies 7890 Series - Page 130

130 Agilent 7890 Series Troubleshooting
7 Checking for Leaks
3
Fully turn the regulator pressure adjustment knob
counterclockwise to shut the valve.
4 Wait 10 min. If there is a pressure loss greater than 7 kPa
(1 psi), there is a leak in the external connections.