Siemens SITRANS LG250 Operating Instructions Manual page 76

Gas phase
Steam (saturated
steam)
Characteristics and performance data
Measuring cycle time
Step response time
4)
Max. filling/emptying speed
Ambient conditions
Ambient, storage and transport temperature
Ʋ Standard
Ʋ CSA, Ordinary Location
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 Process fitting with PPS GF 40
Ʋ Process fitting with PEEK
Vessel pressure relating to the flange
nominal pressure stage
Process temperature (thread or flange temperature)
Ʋ PPS GF 40
Ʋ FKM (SHS FPM 70C3 GLT)
Ʋ EPDM (A+P 70.10-02)
Ʋ Silicone FEP coated (A+P FEP-O-
SEAL)
Ʋ FFKM (Kalrez 6375)
Ʋ FFKM (Kalrez 6375) - with tempera-
ture adapter
Time span after a sudden measuring distance change by max. 0.5 m in liquid applications, max 2 m with bulk
4)
solids applications, until the output signal has taken for the first time 90 % of the final value (IEC 61298-2).
76
Temperature
1 bar (14.5 psig)
100 °C (212 °F) 0.26 %
180 °C (356 °F) 0.17 %
264 °C (507 °F) 0.12 %
366 °C (691 °F) 0.07 %
SITRANS LG250 - Operating Instructions
10 bar (145 psig)
-
2.1 %
1.44 %
1.01 %
< 500 ms
≤ 3 s
1 m/min
Products with high dielectric constant (>10) up to 5 m/
min.
-40 ... +80 °C (-40 ... +176 °F)
-40 ... +60 °C (-40 ... +140 °F)
-1 ... 6 bar/-100 ... 600 kPa (-14.5 ... 87 psi), depending
on the process fitting
-1 ... +40 bar/-100 ... +4000 kPa (-14.5 ... +580 psig),
depending on the process fitting
see supplementary instructions manual "Flanges ac-
cording to DIN-EN-ASME-JIS"
-40 ... +80 °C (-40 ... +176 °F)
-40 ... +150 °C (-40 ... +302 °F)
-40 ... +150 °C (-40 ... +302 °F)
-40 ... +150 °C (-40 ... +302 °F)
-20 ... +150 °C (-4 ... +302 °F)
-20 ... +200 °C (-4 ... +392 °F)
Pressure
50 bar (725 psig)
-
-
9.2 %
5.7 %
PBD-51041053