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<4. Piping>
4-6
IM 11M13A01-02E
4.2
Piping for a System to Perform Automatic
Calibration
The piping for a system to perform automatic calibration is shown in Figure 4.6.
The piping is basically the same as that of a system using flow setting unit for manual calibration.
Refer to Section 4.1.
Instrument air
Pressure
reducing
valve
Air Set
Needle
valve
Flowmeter
Reference gas
Calibration gas
Check valve
~
Zero gas cylinder
ZR40H
Automatic Calibration Unit
Zirconia Oxygen Analyzer, Detector
ZR402G Converter
Calibration gas
unit case
F04-6E.ai
ZR22S Separate type Explosion-proof
EXA ZR402G
100 to 240 V AC
Contact input
Analog output, contact output
Digital output (HART)
Non-hazardous Area
Hazardous Area
Signal
(6-core shield cable)
Heater (2-core cable)
Figure 4.6 Typical Piping for a System to perform Automatic Calibration
Summary of Contents for ZR22S
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