Instruction manual

120-00004 REV A 10/6/2011 4000 DIGITAL MANUAL PAGE 5
batteries power the main circuitry and are
NOT re-chargeable. Replace if the LCD
Display level falls to or below 100 (ignore
decimal point). You must allow 24 hours to
stabilize prior to use if the batteries are
replaced.
ZERO: 10-Turn Potentiometer. Allows the meter to
be adjusted to zero, by compensating for any
background signal.
1.1 Rear Panel
(fig. 2)
Designation Function
INLET: ¼” O.D. Quick connect or compression gas
fitting.
OUTLET: ¼” O.D. Quick connect or compression gas
fitting.