5 installation of zr40h automatic calibration unit, 1 installation location, 2 mounting of zr40h automatic calibration unit – Yokogawa Integral Oxygen Analyzer ZR202 User Manual
Page 57: Installation location -11, Mounting of zr40h automatic calibration unit -11

<3. Installation>
3-11
IM 11M12A01-02E
8th Edition : Jan.13,2012-00
3.5
Installation of ZR40H Automatic Calibration
Unit
3.5.1
Installation Location
The following should be taken into consideration:
(1) Easy access to the unit for checking and maintenance work.
(2) Near to the detector or the converter
(3) No corrosive gas.
(4) An ambient temperature of not more than 55 °C and little change of temperature.
(5) No vibration.
(6) Little exposure to rays of the sun or rain.
3.5.2
Mounting of ZR40H Automatic Calibration Unit
The automatic calibration unit can be mounted either on a pipe (nominal JIS 50 A ) or on a wall.
It should be positioned vertically so that the flowmeter works correctly.
automatic calibration unit. (The unit weights approximately 3.5 kg.)
(2) Mount the automatic calibration unit on the pipe by tightening the nuts with the U-bolt so that
the metal fitting is firmly attached to the pipe.
Figure 3.15 Pipe Mounting
223
140
F3-13E.ai
4 - Φ6.5 hole, or M6 screw
Unit : mm
Figure 3.16 Mounting holes