Certificate Of Quality - Hach 53 64 Manual De Instrucciones

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.
Life of an electrode
The average life expectancy of a pH pro-
cess electrode oscillates between 6 or 12
months, depending on the working con-
ditions (in standard applications).
Electrodes exposed to high temperatures
do not last as long. Very alkaline mediums
also reduces the life span of electrodes.
If an electrode has too short life span,
less than three months, ask us about it.
Probably there is a more suitable elec-
trode for the application.
Specifications
Measuring range
Operating temp.
Max. pressure
Reference element
Diaphragm
Electrolyte
Body material
Thread
Connector
Min. immersion depth
Applications
Samples with dyes, pigments and colour-
ings. Fermentation. Sugar industry. Sam-
ples with oil. Organic solvents.
Resistant to sterilisation with steam and
in autoclave.
Resistant to CIP processes
.

CERTIFICATE OF QUALITY

The attached electrode 53 64 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.
GB
.
0 to 14 pH
0 to 130 °C
6 bar
cartridge
open, 2 lateral
solid
glass
PG 13,5
S8
15 mm
5