Process Conditions - Siemens SITRANS LG250 Operating Instructions Manual
Guided wave radar, 4...20 ma/hart - two-wire coax probe with sil qualification
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- Operating instructions manual (92 pages) ,
- Operating instructions manual (92 pages) ,
- Operating instructions manual (88 pages)
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Process conditions
For the process conditions, please also note the specifications on the type label. The lowest value
always applies.
The measurement error through the process conditions in the specified pressure and temperature
range is < 1 %.
Process pressure
Ʋ Standard version
Ʋ with borosilicate glass leadthrough
Vessel pressure relating to the flange
nominal pressure stage
Process temperature (thread or flange temperature)
Ʋ FKM (SHS FPM 70C3 GLT)
Ʋ EPDM (A+P 75.5/KW75F)
Ʋ FFKM (Kalrez 6375)
Ʋ FFKM (Kalrez 6375)
Ʋ with borosilicate glass leadthrough
A
80°C / 176°F
60°C / 140°F
50°C / 122°F
45°C / 113°F
33°C / 91,4°F
0°C / 32°F
-40°C
-40°F
-40°C / -40°F
Fig. 38: Ambient temperature - process temperature, standard version
A
Ambient temperature
B
Process temperature (depending on the seal material)
1
Aluminium housing
2
Plastic housing
3
Stainless steel housing, precision casting
4
Stainless steel housing, electropolished
PBD-51041387
-1 ... +40 bar/-100 ... +4000 kPa (-14.5 ... +580 psig),
depending on the process fitting
-1 ... +100 bar/-100 ... +10000 kPa
(-14.5 ... +1450 psig), depending on the process fitting
see supplementary instructions manual "Flanges ac-
cording to DIN-EN-ASME-JIS"
-40 ... +150 °C (-40 ... +302 °F)
-40 ... +150 °C (-40 ... +302 °F)
-20 ... +150 °C (-4 ... +302 °F)
-20 ... +200 °C (-4 ... +392 °F)
-60 ... +150 °C (-76 ... +302 °F)
50°C
80°C
122°F
176°F
SITRANS LG250 - Operating Instructions
1
2
3
4
100°C
150°C
212°F
302°F
B
73
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