Sentry SA Automatic Cross-cut Sampler


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Product Description

The Sentry Model SA sampler takes a cross-cut sample of free-flowing materials from vertical spouts and chutes. The SA takes a sample when a solenoid-controlled pneumatic rotary actuator swings a pelican type diverter on an arc across the entire product flow. The diverter captures a sample then discharges it through the pelican tube. The discharge tube is on the axis of rotation and is parallel to the material flow. The diverter is under a dust seal when at rest, keeping the fines from flowing into the diverter. The sampler is controlled by a Sentry automatic control system, allowing the operator to program the time between samples.

With representative sampling, characteristics of each sample match that of the entire lot or batch – so samples are repeatable, leading to accurate sample analysis data. Automatic sampling ensures a sample can be easily and safely obtained with no need for direct human interface or interference. This ensures sample integrity as well as operator safety.

Suitable for: Pellets, powders, flakes, granules, grain, and seed


  • USDA, Canadian Grain, FGIS, and NOPA approved design
  • Operates under a few inches w.g. (+/-) pressure which makes it dust and vapor-resistant to working areas
  • Available with air or electric actuation
  • Electrical option includes AC TEFC motor; DC and explosion-proof options available
  • Rugged steel construction
  • Optional materials available
  • Controllers and remote operating modules available in a variety of configurations
  • Available in a model that is conformant to ATEX Standards (through third party verification)

More Information

  • Materials 300 series stainless, Aluminum Cylinder, Kevlar, White Nitrile
  • Particle Size 10 μm – ¼” (6 mm); larger sizes upon request
  • Process Temperature -20°F to 180°F (-29°C to 82°C)
  • Maximum Process Pressure ATM
  • Instrument Air Required 60 to 80 psi, 282 in³ per stroke

With over 40 years as an industrial equipment supplier JWII has a profound depth of knowledge in the space of analytical instrumentation and related solutions. We help and advise clients to navigate a broad spectrum of products their uses in industry to meet process control and sustainability goals . Our advanced array of tools, synergized with our team of specialists, enables us to deliver solutions of significant impact. With a legacy marked by consistent achievements, we hold in high regard our steadfast dedication to catering to an international clientele spanning diverse industries and geographies.

Our Premier Suite of Services Encompasses:

  • Installation: Precision-driven integration tailored to specific requirements.
  • Routine Maintenance: Ensuring systems’ longevity and optimal performance through regular oversight.
  • Repairs and Upgrades: Proactive identification and rectification of system inefficiencies, bolstered by the latest technological advancements.
  • Modifications to Current Installations: Adapting existing systems to align with evolving client needs.
  • Emergency Response Repairs: Prompt and efficient solutions for unforeseen system challenges.
  • Commissioning: Comprehensive system design, installation, testing, and maintenance to meet exacting operational standards.
  • On-site Assistance: Dedicated field teams providing hands-on support, ensuring seamless operations irrespective of challenges.
  • This field is for validation purposes and should be left unchanged.
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