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SITRANS LR250 with FOUNDATION FIELDBUS
178
Operating Instructions, 09/2021, A5E32221411-AH
Technical specifications
11
Note
Device specifications
Siemens makes every attempt to ensure the accuracy of these specifications but reserves the
right to change them at any time.
11.1
Power
Bus powered
9-32 V DC, per IEC 61158-2 (Foundation Fieldbus)
Current consumed
20 mA
11.2
Performance
Reference operating conditions according to IEC 60770-1
Ambient temperature
15 to 25 °C (59 to 77 °F)
Humidity
45 to 75% relative humidity
Ambient pressure
860 to 1060 mbar a (86000 to 106000 N/m
2
a)
Interference reflections
minimum 20 dB lower than the main target reflec-
tions
Measurement Accuracy (measured in accordance with IEC 60770-1)
Maximum measured error
=3 mm (0.12")
1) 2) 3)
including hysteresis and non-
repeatability
Frequency
K-band
Maximum measurement range
4)
1.5" antenna
10 m (32.8
ft)
5)
2" threaded PVDF antenna
2"/DN50/50A Flanged encapsulated
antenna (FEA)
2" ISO 2852, DN50 DIN11864-1/2/3,
DN50 DIN11851,Tuchenhagen Types
F and N Hygienic encapsulated an-
tenna (HEA)
all other versions
20 m (65.6 ft)
Содержание SITRANS L
Страница 258: ...LCD menu structure SITRANS LR250 with FOUNDATION FIELDBUS 258 Operating Instructions 09 2021 A5E32221411 AH ...
Страница 259: ...LCD menu structure SITRANS LR250 with FOUNDATION FIELDBUS Operating Instructions 09 2021 A5E32221411 AH 259 ...
Страница 260: ...LCD menu structure SITRANS LR250 with FOUNDATION FIELDBUS 260 Operating Instructions 09 2021 A5E32221411 AH ...