YOKOGAWA ZR402G

<6. Components>
6-2
IM 11M12A01-04E 11th Edition : Jul. 19, 2017-00
6.2 ZA8F Flow Setting Unit, ZR20H Automatic
Calibration Unit
Reference gas
flow setting valve
Span gas
flow setting valve
Zero gas
flow setting valve
Flowmeter for
reference gas
Flowmeter for
calibration gas
F6-4E.ai
Figure 6.2 ZA8F Flow Setting Unit
ZERO INREF INSPAN IN ZERO INREF INSPAN IN
F6.3E.ai
Flowmeter for
Span gas
Flowmeter for
Span gas
Flowmeter for
Reference gas
Flowmeter for
Reference gas
Flowmeter for
Zero gas
Flowmeter for
Zero gas
Horizontal mounting Vertical mounting
Span gas
flow setting valve
Span gas
flow setting
valve
Reference gas
flow setting valve
Reference gas
flow setting valve
Zero gas
flow setting valve
Span gas
flow setting
valve
Figure 6.3 ZR20H Automatic Calibration Unit