SITRANS LR200 with mA/HART
Operating Instructions, 05/2019, A5E32337676-AE
157
A.4
Flat-face flange with horn antenna and waveguide extension
Note
More information
•
For other flange dimensions and bolt hole sizing, refer to Raised-face flange dimensions
(Page 161) or Flat-face flange dimensions (Page 163).
•
For more details, refer to Flanged horn dimensions (Page 158).
•
Optional waveguide extensions and/or purging
1)
system can be installed between the
flange and the antenna.
①
1/2" NPT cable entry (or alternatively,
M20 cable gland)
⑤
Horn antenna
②
Threaded cover
⑥
80 mm (3.0") dia.
③
Flange
⑦
Sensor reference point
④
Process device tag
⑧
Enclosure/electronics
Dimensions in mm (inch)
1)
A purging system is an option available for this antenna type. This 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.