Sentry GA Automatic Cross-cut Sampler


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Product Description

The Sentry Model GA sampler is a cross-cut sampler designed for automatic sampling of free-flowing, non homogeneous products from square or round gravity chutes. The GA takes a sample when an air-actuated “pelican-type” head moves across product flow in spout and collects a representative sample to the discharge point.

The material sampled is discharged through a flexible hose to a collection point. Material characteristics are not affected by the sampler because no moving parts convey the material to the sample container. Sample volume can be changed at the sampler controller.

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, seed and slurries


  • USDA, Canadian Grain, FGIS, and NOPA approved design
  • Pneumatic, electric or hydraulic actuation for flexibility
  • Includes air filter, regulator and gauge where applicable
  • Designed to eliminate the degradation of sample material
  • No moving parts from sampler to container
  • Pre-plumbed filter/regulator and solenoid valve available
  • Optional wear lining in lower transition
  • Optional release coating to ensure a non-stick surface
  • CE and ATEX compliant models available

More Information

  • Materials 300 series stainless, Aluminum Cylinder, UHMW-PE, White Nitrile
  • Particle Size 10 μm – ¼” (6 mm); larger sizes upon request
  • Process Temperature -10°F to 180°F (-23°C to 82°C)
  • Maximum Process Pressure ATM
  • Instrument Air Required 60 to 80 psi, 32 in³ per inch of 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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