Level limit switch
Series RF 8000
Technical Information / Instruction manual
page
Technical data - Operating conditions
Process
Relative dielectric constant
1.5 minimum
Temperature at process connection
- Rod/ rope version
- High temperature version
Without temperature extended shaft:
–40 to 85°C (–40 to 185°F)
–20 to 85°C (–4 to +185°F) with option FFKM seal O-ring
With temperature extended shaft:
–40 to 200°C (–40 to 392°F)
–20 to 200°C (–4 to +392°F) with option FFKM seal O-ring
–40 to 400°C (–40 to 752°F)
Pressure (vessel)
–1 to 35 bar g/ –14.6 to 511 psi g (nominal)
note: please see Pressure versus Temperature Curves on next pages.
Environmental
Location
Indoor/outdoor
Altitude
2,000 m (6,562 ft.) max.
Ambient temperature
–40 to 85°C (–40 to 185°F)
With ATEX approval:
–40 to 80°C (–40 to 176°F) with Flameproof or Dust Ignition Proof
–40 to 60°C (–40 to 140°F) with Intrinsically safe
The max. resutling temperature close to the enclosure (see dottet line) resulting from
the temperature increase from process side must be limited by installation to:
80°C (176°F) with Flameproof or Dust Ignition Proof
60°C (140°F) with Intrinsically safe
LUI (local user interface)
–30 to 85°C (–22 to 185°F)
Storage temperature
–40 to 85°C (–40 to 185°F)
Relative humidity
Suitable for outdoor (Type 4 / NEMA 4 / IP68)
Installation category
II (Electronic module: Standard)
I (Electronic module: Digital)
Pollution degree
4
process side
temperature
extended
shaft
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c RF 8000
gi150917
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RFnivo
®
