Tunnel Width
Tunnel Height (mm)
Sensitivity (dia. mm)
Sensitivity (dia. mm)
Sensitivity (dia. mm)
(mm)
   Ferrous Non-Ferrous  S.S 304
250 50 / 80 / 100 / 120 / 150 / 180 0.2 / 0.3 / 0.5 / 0.7 / 0.8 / 0.9 0.4 / 0.5 / 0.7 / 1.1 / 1.2 / 1.3 0.8 / 0.8 / 1.1 / 1.1 / 1.4 / 1.5
300
80 / 100 / 120 / 150 / 180 / 200 0.4 / 0.4 / 0.6 / 0.8 / 0.8 / 1.0 0.6 / 0.6 / 0.9 / 1.0 / 1.0 / 1.4 1.0 / 1.0 / 1.3 / 1.3 / 1.6 / 1.8
350
100 / 120 / 150 / 180 / 200 / 300 0.6 / 0.8 / 0.8 / 0.8 / 1.0 / 1.2 0.8 / 1.0 / 1.0 / 1.0 / 1.2 / 1.4 1.0 / 1.0 / 1.3 / 1.5 / 1.8 / 2.0
400
100 / 120 / 150 / 180 / 200 / 250 0.6 / 0.8 / 1.0 / 1.0 / 1.3 / 1.6 0.8 / 1.0 / 1.2 / 1.2 / 1.5 / 1.8 1.3 / 1.3 / 1.6 / 1.8 / 2.0 / 2.3
500
120 / 150 / 180 / 200 / 250 / 300 1.0 / 1.0 / 1.3 / 1.3 / 1.6 / 1.8 1.2 / 1.2 / 1.5 / 1.5 / 1.8 / 2.0 1.6 / 1.8 / 1.8 / 2.0 / 2.3 / 2.8
600
150 / 200 / 250 / 300 / 350 / 400 1.0 / 1.3 / 1.6 / 1.8 / 2.3 / 2.5 1.2 / 1.5 / 1.8 / 2.0 / 2.5 / 2.7 1.8 / 2.3 / 2.3 / 2.8 / 3.3 / 3.5
800
80 / 120 / 200 / 300 / 350 / 400 1.3 / 1.5 / 1.7 / 1.9 / 2.4 / 2.6 1.6 / 1.8 / 2.0 / 2.2 / 2.7 / 2.9 2.3 / 2.5 / 2.7 / 2.9 / 3.4 / 3.7
1000
80 / 120 / 200 / 300 / 350 / 400 1.5 / 1.7 / 1.9 / 2.1 / 2.5 / 2.7 1.8 / 2.0 / 2.2 / 2.4 / 2.9 / 3.0 2.5 / 2.7 / 2.9 / 3.1 / 3.5 / 3.9
1200
80 / 120 / 200 / 300 / 350 / 400 1.7 / 1.9 / 2.1 / 2.5 / 2.7 / 2.9 2.0 / 2.2 / 2.4 / 2.6 / 3.1 / 3.2 2.7 / 2.9 / 3.1 / 3.3 / 3.6 / 4.1
1500
80 / 120 / 200 / 300 / 350 / 400 2.0 / 2.2 / 2.4 / 2.6 / 2.9 / 3.1 2.3 / 2.5 / 2.7 / 2.9 / 3.3 / 3.6 3.0 / 3.2 / 3.4 / 3.6 / 3.9 / 4.4
 
   
* Depends upon nature of product, speed, transport behaviour and environmental conditions.