<3. Installation>
3-1
IM 11M12G01-02EN 1sh Edition : Mar. 25, 2021-00
3. Installation
Section 3.1 General-purpose Detector (except ZR22G-015)
Section 3.2 High Temperature Detector (ZR22G-015)
Section 3.3 Converter
Section 3.4 ZA8F Flow Setting Unit
Section 3.5 ZR40H Automatic Calibration Unit
Section 3.6 Case Assembly (E7044KF)
3.1 Installation of General-purpose Detector
The following should be taken into consideration when installing the detector:
(1) Easy and safe access to the detector for checking and maintenance work.
(2) An ambient temperature of not more than 150°C, and the terminal box should not be
(3) A clean environment without any corrosive gases.
NOTE
A natural convection type detector (model ZR22G----C), which uses ambient air as
(4) No vibration.
.
3.1.1 Probe Insertion Hole
When preparing the probe insertion hole, the following should be taken into consideration:
CAUTION
• The outside dimension of detector may vary depending on its options. Use a pipe that is
large enough for the detector. Refer to “Figure 3.1 Illustrates an example of the probe
insertion hole.” for the dimensions.
• If the detector is mounted horizontally, the calibration gas inlet and reference gas inlet
should face downwards.
outlet, the detector cannot conduct pressure compensation. Where necessary, make a
before installation.
• The sensor (zirconia cell) at the tip of the detector may deteriorate due to thermal shock if
water drops are allowed to fall on it, as it is always at high temperature.
(1) Do not mount the probe with the tip higher than the probe base.
(2) If the probe length is 2.5 meters or more, the detector should be mounted vertically (no more
than a 5° tilt).
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