Zo21S Standard Gas Unit - YOKOGAWA ZR22G User Manual

External Dimensions
l
2B pipe mounting example
*1 with four ISO M6 screws can wall-mount
26 54
41.2
2B mounting pipe
Wiring inlet ; 2-G1/2,Pg13.5,M20X1.5 or 1/2NPT(Female)
(wiring inlet is at same position on rear)
*1
41.2 4 - Ø6.5
Connection port
Flowmeter
Needle valve
Setting Valve for
reference gas
Setting Valve for
calibration gas
Calibration gas outlet
Rc1/4 or 1/4 NPT(Female)
Reference gas outlet
Rc1/4 or 1/4 NPT(Female)
<2. Specifications>
90 116.5
71.5
140
OCK
Zero gas inlet
Rc1/4 or 1/4 NPT(Female)
40 30 47.5 25
Reference gas inlet
Rc1/4 or 1/4 NPT(Female)
IM 11M12A01-02E
2-21
Unit: mm
Terminal box
F2-6_2E.ai
16th Edition : Mar. 19, 2020-00