C200 SOFTWARE
Instruction Manual C200 Part2 A1.doc
optek Danulat GmbH • D-45356 Essen • Germany
page 37
Calibrate Buffer 2 (Two-Point Calibration only)
Immerse Sensor A in the second buffer solution.
Press the
DOWNSCROLL key to initiate calibration.
Note. To abort calibration, press the DOWNSCROLL key again at any time
before calibration is complete – see previous page.
The center display line shows the measured sensor output in millivolts.
As calibration proceeds, a progress indicator appears in the lower display line.
When the measured sensor output stabilizes, the lower display line shows #####
100% #####.
The display then changes for 2 seconds to show the temperature-corrected
buffer value in the upper display line, then advances automatically to the next
frame.
Calibration Message
See Table 4.1 for details of calibration messages.
Slope Value
% slope value.
A value between the programmed minimum % slope value (see Set Min Slope in
the CONFIG. SENSORS page – Section 5.3) and 105% is displayed. If the value
is outside these limits, check the electrode system.
pH check value.
Displayed as an additional indication of electrode system condition; 7pH is the
optimum value for glass electrodes and 0pH for Antimony electrodes.
Sensor B (dual input analyzers only) calibration is identical to
Sensor A calibration.
Probe Type for Sensor B (dual input analyzers only) set to Redox or
ORP and Enable Cals. set to No (Section 5.1.3) – return to top of
page.
Alter Sec. Code not set to zero (Section 5.1.8) – see Section 5.1.1
Alter Sec. Code set to zero (Section 5.1.8) – see Section 5.1.2.
SECURITY CODE
CONFIG. DISPLAY
Sensor Cal. A
A: Immerse Buf.2
9.18
pH
20.0
Deg.C
#### 100% ####
128
mV
A: Calibration
-----
Passed
A: Slope & Check
100.0
%
7.00
pH
A: Cal. Buffer 2
4.01
pH
A: Buffer Method
set to
Auto 1-Pt
A: Buffer Method
set to
Auto 2-Pt
Sensor Cal. B
SENSOR CAL.
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