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CN 800
Measuring ranges
Reproducibility
pH range
Temperature range
Resistance
Length
Diameter
Cable length
Plug
ba15356d04
12/2021
Cause
– Conditioning time too short
– Standard solutions too old
– Inner junctions encrusted
– Electrode defective
Technical data
-
0.2 ... 260 mg/l CN
-6
-2
8 x 10
... 1 x 10
mol/l CN
-
CN
)
± 2 %
0 ... 14
(Before measuring, adjust the pH value of the sample to
pH 10 to 14)
0 ... 80 °C
(shortly up to 100 °C)
< 30 MΩ
153 mm (including 33 mm connection head)
Shaft:
Connection head:
1 m
DIN plug
Remedy
– Extend the conditioning time
– Use new standard solutions
– Leave the bridge electrolyte to react on
the inner junctions for some hours until
the crusts have dissolved.
– Exchange the electrode
(recommended 0.2 ... 25 mg/l CN
-
(recommended 8 x 10
12 mm
16 mm
Technical data
-
)
-6
-3
... 1 x 10
mol/l
23
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