Guide to Representative Sampling
Learn the many benefits of representative sampling and get answers to your representative sampling questions
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The Sentry AutoVREL Flow Controller allows users to automate new or existing sample panels through a well-appointed device that controls sample panel flow based on feedback from a non-contact flow meter. With the AutoVREL “smart” function, the operator only needs to set the desired sample flow and the system automatically adjusts to changes in the sample pressure.
Power plants that frequently cycle or have sliding pressures require technicians to manually adjust the variable pressure-reducing element (Sentry VREL) in their sample panels to maintain flow and EPRI-recommended sample velocity. With reduced staff resources, there is increased interest in automating these tasks.
The Sentry AutoVREL flow controller has been developed to meet this need as an entry-level flow controller that can be used in new or retrofit installations.
The Sentry AutoVREL flow controller is a sister product to the full-featured Sentry Sample Sentry II which offers advanced control and monitoring features.
|Enclosure Rating||IP 65|
|Input Power||24V DC|
|Inputs||Flow, Sentry TSV Trip|
|Sample Temperature||60°F to 95°F (15°C to 35°C)|
|Ambient Temperature||-4°F to 140°F (-20°C to 60°C)|
|Wetted Materials||316 SS|