Siemens SITRANS LG250 Operating Instructions Manual page 79

Guided wave radar 4...20 ma/hart - two-wire rod and cable probe with sil qualification
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15 mm
(0.591
)
"
2 mm
(0.079
")
0
-2 mm
(-0.079
")
1
-15 mm
(-0.591
)
"
Fig. 42: Deviation SITRANS LG250 in cable version ø 2 mm (0.079 in), in oil
1
Dead band - no measurement possible in this area
L
Probe length
20 mm
(0.787
"
)
15 mm
(0.591
)
"
2 mm
(0.079
")
0
-2 mm
(-0.079
")
1
-15 mm
(-0.591
)
"
0,15 m
(5.906
Fig. 43: Deviation SITRANS LG250 in cable version ø 4 mm (0.157 in), in oil
1
Dead band - no measurement possible in this area
L
Probe length
Repeatability
Specifications of the safety tolerance
(SIL)
Variables influencing measurement accuracy
Specifications for the digital measured value
PBD-51041388
0,15 m
0,3 m
(5.906
)
(11.811
"
")
0,3 m
)
(11.811
"
")
≤ ±1 mm
See Safety Manual
SITRANS LG250 - Operating Instructions
L
0,05 m
(1.969
L
0,05 m
(1.969
1
")
0,08 m
(3.15
")
1
")
0,15 m
(5.906
")
79

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