A
DSORPTIVE
L
INE
T
EST
Guidelines for Connecting Gases on page 5 - 6
Clean and Verify the Gas Line on page 5 - 7
This test helps to clean and verify the gas line for the adsorptive; first from the instrument to the
regulator shut-off valve, then from the instrument to the gas cylinder shut-off valve. This test
should be performed every time the adsorptive gas cylinder is replaced.
Always confirm the state for valves and the low-pressure gauge reading.
A. Gas tubing to instrument
B. Gas regulator shut-off valve -
OPEN
C. Low pressure gauge
(15-18 psig)
D. High pressure gauge
E. Gas cylinder shut-off valve -
CLOSED
F. Regulator connecter nut
G. Regulator control knob -
OPEN
H. Brass reducer fitting
A series of prompts displays each time
ENTER
is pressed. Some prompts may request a task to
be performed. Always perform the task before pressing
ENTER.
Informative prompt
. Indicates how long a test will take or when an operator should open or close
a valve. Read the message, then press
ENTER
.
Adsorptive Line Test
Gemini VII Keypad Operator Manual
239-42801-01 (Rev E) — July 2021
4 - 3
