wtw pH 330/SET Bedienungsanleitung Seite 64

pH 330
pH 340
pH measurement
(Pay attention to the technical data of the electrode additionally)
Measuring range
Resolution
Accuracy
General points
Usable electrodes
Calibration procedure
Calibration interval
Slope range
Asymmetry
Redox measurement
(Pay attention to the technical data of the electrode additionally)
Range
Resolution
Accuracy
Usable electrodes
Temperature
(Pay attention to the technical data of the probes additionally)
Measuring range
Resolution
Accuracy (meter)
Usable probes
man. Temperature input
64
Technical data
-2.00 ... 16.00
0.01
0.01 ± 1 digit
Input resistance: > 5 · 10
Input currence:
< 2 · 10
pH electrodes with plug according to DIN 19262
and electrode zero point pH = 7.0 ± 0.5
two-point-calibration :
AutoCal TEC WTW Technical Buffer Solutions
AutoCal Buffer Solutions according to
DIN 19 266
one-point-calibration :
ConCal 1 or 2 point calibration with
suitable buffer solutions
1 ... 999 days (preset 7 days)
-62 ... -50 mV/pH
-30 ... +30 mV
-1250 mV ... + 1250 mV
1 mV
1 mV ± 1 digit
Pt-Electrodes with plug according to DIN 19262
-5 ... 99.9 °C
0.1 K
with NTC 30:
± 0.1 K ± 1 digit at operating
temperature -10 °C ... + 55 °C
with Pt 1000:
accuracy at operating temperature
-10 °C ... +15 °C
15 °C ... 35 °C
35 °C ... 55 °C
30 KOhm NTC integrated in the electrodes;
TFK 150 or TFK 325 as separate probe;
Pt 1000 as separate probe or integrated in
electrodes.
-20 ... 130 °C when no temperature probe is
connected.
12
Ohm
-13
5 · 10 A typically
-12
A at 25 °C
± 0.5 K ± 1 digit
± 0.1 K ± 1 digit
± 1 K ± 1 digit