All Rights Reserved. Copyright © 2004, Yokogawa Electric Corporation
TI 11M12A01-01E
3-5
<Toc> <Ind>
3. System Configurations
(6) Type: H3 (with auto calibration, with safety purge)
F0306.EPS
EXA ZR402G
⬃
<1> High-temperature detector ZR22G-015
Air supply
(1.5kgf/cm
2
)
Needle
valve
*2
*3
Ejector ASSY
Pressure gauge ASSY
<2> ZR402G Converter
Signal*1
(6-core shield cable)
Heater (2-core)
Reference gas
Calibration gas
Flowmeter Needle
valve
Zero gas cylinder
100 to 240 V AC
*2
Check valve
<3> ZR40H Auto-Calibration unit
Contact input
Analog output, contact output
Digital output (HART)
lnstrument air
Regulator
Air Set
Note 1: Shield cable; Use shielded signal cables, and connect the shield to the FG terminal of the
converter.
Note 2: When a zirconia oxygen analyzer is used, 100% N
2
gas cannot be used as the zero gas. Use
May 31,2004-00
