Filter leakage detection in a hazardous area (Ex) - Case Study

Costumer:

Starch manufacturer (Swiss)

Product:

Swelling starch (weaht protein)

Mass flow:  

approx. 5 mg/m³

Mounting location:

Clear gas side after a dust collector

Former detection:

There were no measuring system installed before

Customer`s benefit:

It´s about a pure filter leakage detection in a hazardous area (Ex) of category 1.
As the following van is not ex protected it is urgently to avoid a ignitable composite there.
The installed ProSens generates an alarm as soon as the adjusted threshold value of 10 mg/m³ is exceeded.
Simultaneously all units in front and behind were automatically deactivated.
The operator were forced to this security monitoring by the government.