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Now a days Pneumatic Signals are still in use, why?

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Question added by Muhammad Faizan Saleem , Trainee Engineer , Solutions Engineering Private Limited
Date Posted: 2016/05/21
Shilpa Joshi
by Shilpa Joshi , Instrumentation and Control Engineer , Thermax

The pneumatic signals are still in use as they have following benifits:

1. Maintenance cost is very Low

2. Can be used in Hazardous areas

3. Inexpensive

4. Achieving Fail Safe conditions with pneumatic signals/ systems is easy.

5. Accuracy is good. 

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