ICON ProCon D400 Series, Operating Manual, Page: 12 / 28

D400 Series Operating Manual
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pH Buffer Reading vs Temperature
Temp(°C) pH 4.01 pH 6.86 pH 9.18 pH 4.00 pH 7.00 pH 10.01
0 4.01 6.98 9.47 4.01 7.12 10.32
5 4.01 6.95 9.38 4.00 7.09 10.25
10 4.00 6.92 9.32 4.00 7.06 10.18
15 4.00 6.90 9.27 4.00 7.04 10.12
20 4.00 6.88 9.22 4.00 7.02 10.06
25 4.01 6.86 9.18 4.00 7.00 10.01
30 4.01 6.85 9.14 4.01 6.99 9.97
35 4.02 6.84 9.10 4.02 6.98 9.93
40 4.03 6.84 9.07 4.03 6.97 9.89
45 4.04 6.83 9.04 4.04 6.97 9.86
50 4.06 6.83 9.01 4.06 6.97 9.83
55 4.08 6.83 8.99 4.07 6.97 9.91
60 4.10 6.84 8.96 4.09 6.98 9.97
70 4.12 6.85 8.92 4.12 6.99 9.76
80 4.16 6.86 8.89 4.16 7.00 9.74
90 4.01 6.88 8.85 4.20 7.02 9.73
ORP Calibration: Press the [MENU] button to enter the calibration mode, select ORP standard liquid calibration, and input the known
standard liquid value (Default 235mV).
Press the [MENU] button to return to the measurement screen and press the [CAL] button to enter the standard solution
calibration mode. If there is no need to modify the value, this setting is omitted.
Press the [CAL] button to enter the calibration mode. After entering the calibration mode, the instrument will be displayed as the upper
right image, and the corresponding mV value will be displayed on the left side of the screen.
After the calibration is completed, the slope will be displayed on the right side of the screen. If the instruemnt has been calibrated, press the
[CAL] button to inspect the calibration state, and then press the [ENT] button to enter the re-calibration.
Field Calibration