28
Reference Manual
00809-0100-4026, Rev HA
Section 3: Mechanical Installation
November 2014
Mechanical Installation
5401 with cone antenna
The antenna should extend 0.4 in. (10 mm), or more, below the nozzle (L). If required, use the
extended cone solution.
Figure 3-11. Nozzle Considerations for 5401 with Cone Antenna
5401 with rod antenna
The active part of the rod antenna should protrude below the nozzle (M).
Figure 3-12. Nozzle Considerations for 5401 with Rod Antenna
Still-pipes in metallic materials
If used correctly, pipe measurement can be advantageous in many applications:
The 5402 is the preferred choice for smaller pipe diameters
Use the 5401 for larger pipe diameters (6-8 in./150-200 mm),
pipes with larger holes or slots, or for dirty/sticky media
Use cone or process seal antennas - not the rod antenna
The gap between the cone antenna and the still-pipe is limited to 0.2 in. (5 mm). If
required, order an oversized antenna and cut on location (N). Only applicable to 5401
cone antennas and cone antennas with wetted flange plate (i.e. straight antennas).
The inside of the chamber must be of a constant diameter
(L) 0.4 in. (10 mm) or more
Active part
starts here
(M)
Max. 4 or 10 in.
(100 or 250 mm)
for short and
long version
respectively
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