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FI002K0018v1100UK – THS/21 Instruction manual for installation, use and maintenance
INSTALLATION
52 ORIGINAL INSTRUCTIONS
3.1.2.3.4 Conveyor belt rollers
The distances given below are intended as a guide only and depend on the sensitivity required and the type of probe.
After installation you should check that the unit operates efficiently.
In general, it is advisable that any rollers located near the probe
be of insulating material
.
All models THS/MN21
D
1,5 DH 3 DH
1
1
Use non-magnetic steel bearings.
Rollers made from insulating material
with metal bearings
I: insulated support;
C: non-insulated support;
B: bearing
Metal drive or idle rollers must be located at a distance D from
the sides of the probe.
All models THS/MN21
D
2 DH 6 DH
1
1
Use non-magnetic steel bearings.
Metal idle rollers
Metal drive rollers
I: insulated support;
C: non-insulated support;
S: screening
One side of the roller must be insulated from the metal frame of the conveyor belt, to prevent the formation of
electromagnetic coils which might interfere with the operation of the Metal Detector and allow in any way the discharge of
any electrostatic charges.
Metal rollers
must be perfectly concentric.
YES! NO!
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