Yokogawa Integral Oxygen Analyzer ZR202 - Manual (Page 125)

IM 11M13A01-04E 10-7
10. Other Functions
21.0 p1 0.51
81.92
ez
e1
es
0
C
A B
Zero-gas ratio = (B/A) x 100 (%) Correctable range: 100 – 30%
Span-gas ratio = (C/A) x 100 (%) Correctable range: 0 – 18%
Cell
electromotive
force, mV
Calibration curve
before correction
Previous
zero-gas data
Corrected calibration curve
(theoretical calibration curve)
Zero origin
Span origin
Span-gas
concentration
Oxygen concentration (vol%O 2 )
F10.2E.EPS
Figure 10.2
10.1.18 History of Calibration Time
The calibration-conducted dates and times for the past ten calibrations are stored in
memory.
10.1.19 Time
The current date and time are displayed. These are backed up by built-in batteries, so no
adjustment is required after the power is switched off. The following shows an example
of displaying June 21, 2000, 3:06 p.m.
Displayed alternately
00.06.21 15.06
↔
F10.3E.EPS
Figure 10.3 Date-and-time Display
10.1.20 Software Revision
The revision (number) of the software installed is displayed.