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Technical data
Type 8202/8222
pH or redox sensor holder /
gasket (in contact with the fluid)
PVDF, stainless steel 1.4571
(316Ti) / EPDM
pH or Redox probe of the 8202 refer to the related manual
Conductivity sensor of the
8222 (in contact with the fluid)
PVDF
Pt1000 (in contact with the
fluid)
stainless steel 1.4571 (316Ti)
Electrodes of the 8222
• sensor C=1
• sensor C=0.1 or C=0.01
• graphite
• stainless steel 1.4571 (316Ti)
Fig. 7: Materials used in the transmitter 8202 (without the probe)
or the 8222
6.3.2. General technical data
Pipe diameter DN25 to DN110 (DN15 to DN20
under specific conditions)
Type of fitting Adapter S022
Nut between the 8202 and
the fitting
G 1 1/2'' internal thread
Max. fluid temperature The fluid temperature may be
restricted by the probe used (see the
related instruction manual), by the
pressure of the fluid and the material
of the adapter S022
See Fig. 2, Fig. 3, Fig. 4 and Fig. 5.
Max. fluid pressure PN16
The fluid pressure may be restricted
by the probe used (see the related
instruction manual), by the tempe-
rature of the fluid and the material of
the adapter S022.
See Fig. 2, Fig. 3, Fig. 4 and Fig. 5.
pH measurement (8202)
• Measurement range
• Resolution
• Measuring error
• Recommended min.
divergence of the pH
range associated to the
4-20 mA signal
• -2 to 16 pH or -580 to +580 mV
• 0.001 pH or 0.1 mV
• ±0.02 pH or 0.5 mV
• 0.5 pH unit or 30 mV (eg:
range 6,7 to 7,2 pH or -20 mV
to +10 mV associated to the
4-20 mA output current)
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