User guide

11
IM 11M06D03-01E-A
4.3.3 CONNECTION TO THE REFERENCE GAS INLET
ConnectthetubingfromtheReferencegasoutput,showninFigure4.3,totheREFINsideoftheZR22probe.Clean,
dryinstrumentairisrecommendedasareference(span)gas;however,ambientairmaybeusedasasubstitute.
Figure 4.1
AlistofrecommendedpartforpipingtotheMC1orAC1unitsislistedbelowinTable3.1
Calibration Unit Piping
Location
Parts Notes
Check valve
Recommended by Yokogawa for positive
pressure applications: M1234VV-A.
Available through Yokogawa
Nipple Rc 1/4 or 1/4 inch MNPT
General
parts
Zero Gas Cylinder User’s Scope
Gas Pressure
Regulator
Recommended by Yokogawa: M1132KD
Regulator, and M1132ME Gauge.
Available through Yokogawa
Calibration Gas
Inlet
Zero Gas Pressure
Switch
Recommended by Yokogawa: M1133AR
Available through Yokogawa
MC1 Manual Calibration
Unit
AC1 Single Channel
Automatic Calibration
Unit
Reference gas
inlet
Joint for tube
connection
Rc 1/4 or 1/4 inch MNPT
General
parts
INSTRUMENT AIR
INPUT
ZERO (CAL)
GAS INPUT
REFERENCE AIR
OUTPUT
CALIBRATION
GAS OUTPUT
Figure 4.1