7ML19985JF02 SITRANS LR250 (PROFIBUS PA) – INSTRUCTION MANUAL Page 9
mmmmm
Specifications
Dimensions
Flanged Horn
Notes:
• Process temperature and pressure capabilities are dependent upon information on
the process device tag. Reference drawing listed on the Tag is available on the
product page of our website at www.siemens.com/LR250, under Process
Connection Specifications.
• Signal amplitude increases with horn diameter, so use the largest practical size.
• Optional extensions can be installed between the flange and the antenna.
enclosure/electronics
name-plate
flange
horn
sensor
reference
point
retaining collar
process device
tag
227 mm
(8.94")
horn
O.D.
135.5 mm
(5.33")
154 mm
(6.1")
50 mm
(2.0")
threaded cover
1/2" NPT cable entry
(or alternatively, M20 cable gland)
168.5 mm
(6.63")
223.5mm
(8.8")
50 mm (2")
nom.
80 mm (3")
nom.
100 mm (3")
nom.
167 mm
(6.6")
90 mm
(3.5")
190 mm
(7.48")
optional
100 mm (4.0 ")
horn extension
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