Sentry AutoVREL Spec Sheet - 2 Pages

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Sentry AutoVREL Spec Sheet

Catalog excerpts

SENTRY AUTOVREL FLOW CONTROLLER Sample Automation Solid & Powder Steam & Water 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. MODEL AV-101 BENEFITS Power plants that frequently cycle or have sliding pressures require lab technicians to manually adjust the variable pressure-reducing element (VREL) in their sample panels to maintain EPRI-recommended sample velocity. With reduced or reallocated staff resources, interest has increased in automating these redundant tasks. The Sentry AutoVREL Flow Controller has been developed as an alternative to the fullfeatured Sentry Sample Sentry II to offer an additional sample panel automation option. Control & Drive Unit FEATURES Provides quick response time during system startup Can be field installed on existing sample panels Simple to set and maintain desired flow Displays current valve position Can be set to display actual flow, set flow or sample temperature Responds to feedback from a Sentry TSV (Thermal Shutoff Valve) relay for increased operator safety Allows for manual operation through simple override Offers easy access to the Sentry VREL for maintenance and cleaning Provides feedback to plant DCS via relay Non-Contact Flow Meter

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SENTRY AUTOVREL FLOW CONTROLLER > SAMPLE AUTOMATION > STEAM & WATER SAMPLING installation With basic hand tools by plant personnel; optional installation kit available mounting Front side - panel only temperature Maximum 175°F (75°C) wetted parts; 130°F (54°C) display and electronics flow range 100-2500 cc per minute ± 10% of setting input power 24V DC; separate power supply required inputs Flow, temperature, Sentry TSV trip outputs Visual indication of flow, setpoint, temperature; status indication relay for feedback to plant control room user interface Four keys: Up, Down, Enter/Display,...

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