50-621 Kotron Sentinel Models 822, 832 and 842 RF Point Level Switches
29
3.4
Intrinsic Safety (cont.)
Figure 15
Model 8X2-1X06-G0X Remote Mount Intrinsically Safe
Probe Circuit Explosion Proof Housing
Potted
intrinsically safe
module
Front View
– Terminal
To Remote –
Pre-amp
+ Terminal
Amplifier
Potted
intrinsically safe
module
Side View
Power
supply/relays
Amplifier
Potted
preamplifier
module
Front View
+ Terminal
Potted
intrinsically safe
module
– Terminal
Amplifier
Side View
Potted
preamplifier
module
Potted
intrinsically safe
module
Power
supply/relays
Amplifier
Probe
Potted
preamplifier
module
Potted
intrinsically safe
module
Guard wire (red)
if needed
Probe wire (white)
Figure 17
Figure 16
Model 8X2-1X05-G0X Integral Mount Intrinsically Safe
Probe Circuit Explosion Proof Housing