VIEW 370/373
5 Sensor Installation
ENVEA
UK Ltd
(PC-000855-MA Issue 6, December 2021)
15
5.2
Mounting the Sensor
5.2.1
Fitting the Sensor to the Stack
1 ....................................................
Sensor ‘B’ enclosure
2 ............................................................. Air purge inlet
3 ..................................................................... Lock nut
4 ................................................................ Floating nut
5 .................................................................... Insulator
6 ........................................ Probe rod (insulated version)
7 .................................................... Earth stud assembly
8 ........................................................... 1.5
”
BSP socket
9 ........................................................... Stack/duct wall
Not shown
........... Grounding strap (attached to earth stud)
Figure 4: Fitting the sensor to the stack (example).
1.
Drill a hole of at least Ø 45 mm (1.8
”
) in the stack where the sensor is to be
located (monitoring point).
2.
Fit a 1½
″
BSP socket [8] which must be welded securely to the stack [9].
Ensure the BSP socket is perpendicular (at 90°) to the stack or so that the
