Yokogawa Integral Oxygen Analyzer ZR202 - Manual (Page 46)

IM 11M12A01-05E 3-6
3.3 Installation of ZR20H Automatic Calibration Unit
3.3.1 Location
The following should be taken into consideration:
(1) Easy access to the unit for checking and maintenance work.
(2) Near to the detector and the converter
(3) No corrosive gas.
(4) An ambient temperature of not more than 558 C and little change of temperature.
(5) No vibration.
(6) Little exposure to rays of the sun or rain.
3.3.2 Mounting of ZR20H Automatic Calibration Unit
ZR202G - h - h - h - h - A or –B is shipped with autocalibration unit attached.
The autocalibration unit includes flowmeters and solenoid valves, so – to ensure reliable
and accurate operation — Flowmeter should be mounted vertically. The associated
probe is designed for horizontal or vertical mounting.
If you buy the autocalibration unit afterward, and need to install it or replace it, contact
our service representative.