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Barriers for Flow Sensors
Inserted into Zone 1 and Zone 21

These barriers are designed to process the inputs from Flow Sensors in Zone 1 or Zone 21 areas and give a switchpoint in the safe area. They accept the 4-wire single channel input and display flow rate using a chain of 6 LEDs.
The setpoint is selected using a potentiometer. Output is by changeover contact.
See Flow Sensors for Zone 1 Insertion for further details.

● ATEX category II (2) G, Ex Zone 1
● ATEX category II (2) D, Ex Zone 21

Supply Barrier Model Switch Off Delay Flow Indication Data Sheet Link Atex Cert Link Image
230Vac MS96-11EX-R/230vac 0 - 25 sec By LED chain
110Vac MS96-11EX-R/115vac 0 - 25 sec By LED chain
24Vdc MS96-11EX-R/24Vdc 0 - 25 sec By LED chain
All barriers are single channel (4 wire input from sensor), adjustment by potentiometer, c/o relay output