Air flow monitors for zener barriers, ex-area zone 1, T3

WFR200 Air flow monitor, switching amplifier for zener barriers

Article No.
52 N207 S21
Application
The WFR200 air flow monitor by Kriwan monitors the air flow to check if it falls below the set limit value. The WFR200 is used in combination with zener barriers to monitor the air flow in explosion-proof areas according to applicable ATEX guidelines.
Functional description
The air flow monitor is used for air flow monitoring in combination with the air flow sensor to check if the value falls below the set limit value. The analogue output can also be used for air flow regulation, air flow display or further processing in the DDC. The installation must not taken place within the explosion-proof area.
Components