Yokogawa Single Channel Oxygen Analyzer System ZR22/ZR402 - Manual (Page 48)

IM 11M12A01-03E 3-1
3. Installation
3. Installation
This chapter describes installation of the following equipment:
3.1 Detector
3.2 Converter
3.3 ZA8F Flow Setting Unit
3.4 ZR40H Automatic Calibration Unit
3.5 E7044KF Case Assembly for Calibration-gas Cylinder
3.1 Installation of the Detector
3.1.1 Location
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) Ambient temperature of not more than 150
°
C, and the terminal box should not
affected by radiant heat.
(3) A clean environment without any corrosive gases.
CAUTION
• A natural convection type detector (model ZR22G-
ᮀ-ᮀ-ᮀ-C), which uses ambient air
as reference gas, requires that the ambient oxygen concentration be constant.
(4) No vibration.
(5) The measurement gas satisfies the specifications described in Chapter 2.
(6) No measurement gas-pressure fluctuations.