Mounting: Horn With Extension; Sitrans Lr250 Dimensions; Threaded Horn Antenna - Siemens SITRANS LR250 Instruction Manual

SITRANS LR250 Dimensions

Threaded Horn Antenna

158 mm
(6.2")
23 mm (0.9")
std. 296 mm (11.7") min.
option 446 mm (17.6") max.
std. 575 mm (22.6") min.
option 725 mm (28.5") max.
Notes:
• Process temperature and pressure capabilities are dependent upon information on
the process device tag. Reference drawing listed on the tag is available on our
website. Go to the product page for SITRANS LR250 at: xxxxxxx.
• Signal amplitude increases with horn diameter, so use the largest practical size.
• Optional waveguide extensions and/or purging
the flange and the antenna.
1.
An optional purging system provides an inlet on the flange where cooling air or cleaning fluid
may be supplied. The air or liquid passes through the flange and exits the inside of the horn to
clean the antenna system.
Page 18 SITRANS LR250 (HART) – INSTRUCTION MANUAL
1
50 mm
1/2" NPT cable entry
(2.0")
(or alternatively, M20 cable gland)
threaded cover
154 mm
(6. 1 ")
enclosure/
electronics
retaining
collar
process device
tag
mounting thread
????
GRAPHIC TO BE UPDATED
109 mm
(4.3")
185 mm
(7.3")
shield length (internal)
standard: 100 mm (4")
optional: 250 mm (10")
1
system can be installed between
121 mm
(4.8")
ref. point
7ML19985JE01