Xylem WTW pH/Cond 3320, Руководство по эксплуатации

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pH/Cond 3320 Settings
ba77054d01 02/2014
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8.1.2 Buffer sets for calibration
You can use the buffer sets quoted in the table for an automatic calibration. The
pH values are valid for the specified temperature values. The temperature
dependence of the pH values is taken into consideration during the calibration.
Calibration / Unit for
slope
mV/pH
%
Unit of the slope.
The % display refers to the Nernst
slope of -59.2 mV/pH (100 x deter-
mined slope/Nernst slope).
Alternative temper-
ature
On
Off
Takes the temperature value from
the 2nd sensor.
Man. temperature -25 ... +25 ...
+130 °C
Entry of the manually determined
temperature. For measurements
without temperature sensor only.
Resolution pH 0.001
0.01
0.1
Resolution of the pH display
Reset - Resets all sensor settings to the
delivery condition (see section
8.3.1 R
ESETTING THE MEASUREMENT
SETTINGS
, page 54).
No. Buffer set * pH values at
1 ConCal Any Any
2 NIST/DIN
DIN buffers according to DIN 19266
and NIST Traceable Buffers
1.679
4.006
6.865
9.180
12.454 25 °C
3 TEC
WTW Technical buffers
2.000
4.010
7.000
10.011 25 °C
4 Merck 1* 4.000
7.000
9.000 20°C
5 Merck 2 * 1.000
6.000
8.000
13.000 20°C
Menu item Possible set-
ting Description