Yokogawa Multi Channel Oxygen Analyzer System ZR22/AV550G - Manual (Page 17)

IM 11M12D01-01E 1-2
F01.EPS
K9292DN
K9292DS
Check
Valve
ZR22G Detector (max. 8 detectors)
Cell output, thermocouple output, cold contact compensation
(0.75mm
2 , 6-core)
Heater
(1.25mm
2 , 2-core)
Model AV550G Averaging Converter
Analog outputs :
Averaged and individual outputs
4 to 20 mA DC
Contact output
Contact input
Power supply :
100 / 115 V AC, 230V AC
50 / 60 Hz
Ϯ 5%
L9852CB
G7016XH
Stop
Valve
or
Reference gas
Flowmeter
Airset
Zero gas cylinder
Needle
Valve
Calibration gas
Calibration gas
pressure regulator
Calibration gas unit case
Span gas (Calibration gas unit same as for zero gas)
Instrument air
Model ZA8F
flow setting unit
Figure 1.1 Typical System Configuration Using Flow Setting Units for Manual
Calibration
1.1.2 System Configuration to Perform Automatic Calibration
A typical system configuration to perform automatic calibration is illustrated in Figure
1.2. The system consists of detectors, an averaging converter, solenoid valves, needle
valves for flow control, and a float-type flowmeter.
Averaging Converter (AV550G)
Heater
Signal
Calibration contact outputs
Span gas cylinder
(Instrument air)
Zero gas cylinder
Flowmeter
Solenoid valve
Needle valve
Air set
Pressure regulator
Needle valve
Flowmeter Reference gas
line
Calibration gas line
Solenoid valve
Detector
Power supply
Instrument air
Contact input
Contact output
Analog outputs:
Averaged and individual outputs
Stop valve
Figure 1.2 Typical System Configuration to Perform Automatic Calibration