<3. Installation>
3-11
IM 11M12G01-02EN 1sh Edition : Mar. 25, 2021-00
3.5 Installation of ZR40H Automatic Calibration
Unit
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.
n Mounting of ZR40H Automatic Calibration Unit
The automatic calibration unit can be mounted either on a pipe (nominal JIS 50A ) or on a wall.
<Pipe Mounting>
of 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
Figure 3.17 Pipe Mounting
<Wall Mounting>
(1) Make a hole in the wall as illustrated in Figure 3.18.
223
140
F3-13E.ai
4 - Φ6.5 hole, or M6 screw
Unit : mm
Figure 3.18 Mounting holes
(2) Mount the automatic calibration unit. Remove the U-bolt from the automatic calibration unit
and attach the unit on the wall with four screws. When setting it with M5 bolts, use washers.
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