User guide

Measuring range 0 to 14 pH
Operating temp. 0 to 80 °C
Max. pressure 6 bar
Reference element cartridge
Diaphragm ceramic
Electrolyte gel
Body material glass
Thread PG 13,5
Connector S8
Min. immersion depth 17 mm
5
GB
... impossible to perform calibration.
... very slow response.
Dirt on the diaphragm or the mem-
brane.
De-hydrated membrane.
Electrode ageing or wear.
Clean, regenerate, replace the elec-
trode.
Storage
The connector should be protected from
humidity by the protective cap .
Place the electrode in the storage protec-
tor with KCl 3M.
Specifications
Applications
Water containing fluoride.
Warning. The resistance of the
membrane is directly related to the HF
concentration and the pH of the sample
(see ).
Limitations
Viscous solutions or samples with colloids.
Distilled water.
CERTIFICATE OF QUALITY
The attached electrode 53 41 has passed
the quality test and follows the next speci-
fications:
• Asymmetry potential < ± 15 mV.
• Sensitivity, pH 4 to 7 (at 25 ˚C) > 98%.
• Response time, pH 4 to 7 < 20 s.
53 41_DOC013.97.90280_Ed 0510.indd 53 41 DOC013 97 90280 Ed 0510 i dd 5 23/9/10 10:29:5823/9/10 10 29 58