Siemens SITRANS LG250 Operating Instructions Manual page 64

Guided wave radar
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5 mm (0.197
")
2 mm (0.079
")
0
-2 mm (-0.079
")
-10 mm (0.394
")
0,03 m (1.181
Fig. 24: Deviation SITRANS LG250 in coaxial version in water
1
Dead zone (no measurement possible in this area)
L
Probe length
10 mm (0.394
")
5 mm (0.197
")
2 mm (0.079
")
0
-2 mm (-0.079
")
-5 mm (-0.197
")
0,1 m (3.937
Fig. 25: Deviation SITRANS LG250 in coaxial version in oil
1
Dead zone (no measurement possible in this area)
L
Probe length
Non-repeatability
Variables influencing measurement accuracy
Specifications for the digital measured value
Temperature drift - Digital output
Additional deviation through electromag-
netic interference acc. to EN 61326
Specifications apply also to the current output
Temperature drift - Current output
Deviation in the current output due to digital/analogue conversion
Ʋ Non-Ex and Ex-ia version
Also for the additional current output (optional).
8)
64
1
"
)
0,15 m (5.906
)
"
1
)
"
0,15 m (5.906
)
"
SITRANS LG250 - Operating Instructions
L
L
≤ ±1 mm
±3 mm/10 K relating to the max. measuring range or
max. 10 mm (0.394 in)
< ±10 mm (< ±0.394 in)
8)
±0.03 %/10 K relating to the 16 mA span or max. ±0.3 %
< ±15 µA
0,05 m
(1.969
")
1
0,05 m
0,1 m
(1.97
")
(3.937
")
PBD-51041048

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