Bürkert 8228 ELEMENT, Быстрый старт, Страница: 10 / 32

10
Technicaldata
Type 8228
6.2.2 ul certification
The devices with variable key PU01 or PU02 are UL certified
devices and comply also with the following standards:
• UL 61010-1
• CAN/CSA-C22.2 n°61010-1
identification on the device certification variable key
UL recognized PU01
Measuring
Equipment
EXXXXXX
®
UL listed PU02
6.2.3 fDA approval
approval: only for version with PVDF sensor holder and
with EPDM or FKM seal.
6.3 fluid data
fluid temperature The fluid temperature may be
restricted by the fluid pressure,
the material the conductivity
sensor holder is made of and the
material the S020 fitting used is
made of (see Fig. 2).
• 8228 with conductivity
sensor in PVDF
• –15...+100 °C
• 8228 with conductivity
sensor in PP
• 0...+80 °C
• 8228 with conductivity
sensor in PEEK
• –15...+130 °C
fluid pressure The fluid pressure may be
restricted by the fluid temperature,
the material the conductivity
sensor holder is made of and the
material the S020 fitting used is
made of (see Fig. 2).
• 8228 with conductivity
sensor in PVDF
• PN6
• 8228 with conductivity
sensor in PP
• PN6
• 8228 with conductivity
sensor in PEEK
• PN10
measuring ranges
• Conductivity • 100 µS/cm...2 S/cm
• Resistivity • 0,5 W /cm...10 k W /cm
• Temperature • –40...+150 °C
Temperature compensation • none
• according to a predefined curve
(NaCl, NaOH, HNO
3
or H
2
S
O
)
or
• or according to a curve defined
especially for your process
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