
13
SHUTDOWN
30° 120°
.15
.10
.05
CHAMBER
FLOW
MODE CONTROL
REMOTESPANZERO
DYNACALIBRATOR
MODEL 340
PERMEATION CHAMBER
LOCK
TEMPERATURE °C
PNL TMP
SET
MAIN HEATER
Figure 4: Model 340 front panel controls and indicators
MODE SELECTOR switch and indicators
The three position switch selects the calibration mode. LEDs indicate the current
mode.
• ZERO:Thepermeationchamberoutputisdumpedoutthechambervent;
only the dilution stream exits through the stream outlet to the analyzer.
• SPAN:Thepermeationchamberoutputandthedilutionstreamaremixed
and fed through the stream outlet to the analyzer.
• REMOTE:UnitdefaultstotheZEROmode.Aremotecontactclosuretorear
panelterminalsCandV1willswitchtheunittotheSPANmode.
Getting Started
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