6
4.2 Indirect installation
Indirect installation of the sensor is necessary if the wall thickness is 0.39” (10 mm) or more or the wall is
curved. In such cases use of a welded flange is recommended. (See Figure 6)
Figure 6
4.3 Mounting at a measurement window or separation layer
For most applications direct contact of the sensor surface with the product is desired. In some applica-
tions this might not be possible / suitable. In those cases, a neutral separator layer made out of Plexiglas
®
(acrylic), glass, or similar material can be fitted between sensor and product as seen in Figure 7. A metallic
separator layer is NOT permitted. Maximum thickness of the separator material is 1.18” (30 mm).
Use of a separating layer of 0.20” to 0.59” (5 to 15 mm) is recommended with chain conveyors or for mea-
surements with media having a temperature of over 176°F (80°C) up to max. 266°F (130°C). The permis-
sible thickness depends on the material to be measured and the residual water content. The measuring
surface of the moisture sensor must always have mechanical contact to the separating layer.
Figure 7
M6 - threaded bolt
weld
bulk material
