Yokogawa Integral Oxygen Analyzer ZR202 - Manual (Page 40)

<3. Installation>
3-1
IM 11M12A01-04E
3. Installation
This chapter describes installation of the following equipment:
3.1 Model ZR202G Integrated type Zirconia Oxygen Analyzer
3.2 Model ZA8F Flow Setting Unit
3.3 Model ZR20H Automatic Calibration Unit
3.4 Case Assembly (E7044KF) for Calibration gas Cylinder
3.1 Installation of ZR202G Zirconia Oxygen Analyzer
3.1.1 Installation Location
The following should be taken into consideration when installing the probe:
(1) Easy and safe access to the probe for checking and maintenance work.
(2) Ambient temperature of not more than 55°C, and the terminal box should not be affected by
radiant heat.
(3) A clean environment without any corrosive gases.
NOTE
A natural convection type analyzer (model ZR202G-----C), which uses ambient air as
reference gas, requires that the ambient oxygen concentration be constant. Automatic calibration
cannot be used when natural convection is selected as reference gas.
(4) No vibration.
(5) The sample gas satisfies the specifications described in Chapter 2.
(6) No sample gas pressure fluctuations.
CAUTION
• The ambient temperature of the ZR202G Integrated type Zirconia Oxygen Analyzer should be
between - 20°C and 55°C.