Model DS-3 Conveyor Belt Sampler

The Sentry DS-3 sampler is a heavy-duty point sampler that automates sampling of materials such as grains from conveyors. The DS-3 unit mounts at any convenient point along the conveyor, using heavy, bridge-type supports (included). Controls and discharge can be assembled to accommodate access from the right or the left side of the conveyor.


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Product Description

The Sentry DS-3 sampler mounts using heavy, bridge-type supports. The sampler controller and discharge can be assembled to accommodate access from the right or left side of the conveyor. Arm speed is adjustable to suit belt speeds up to 900 FPM. The arm moves at a slightly faster speed in the same direction as the conveyor belt, collecting a sample without disrupting material.

The arm drive system is a rugged worm gear reducer in combination with a variable speed motor drive, which produces a wide range of flexibility in matching arm speed to the speed of the conveyor belt. Cycle rates are adjustable to sample at a maximum frequency of twice per minute.


  • Provides a contemporary sample from a moving conveyor belt via conical sweeping motion in the direction of product flow
  • Various sample volumes available
  • Hinged inspection doors interlock to prevent arm rotation if open
  • Controllers and remote operating modules available in a variety of configurations
  • Heavy-duter frame and drive components
  • Precycle warning signals for operator safety
  • NEMA 4 enclosure for sampler controller for dust and weather protection

More Information

  • Materials 300 series stainless, Carbon Steel, Neoprene
  • Particle Size 2 in (50 mm)
  • Motor 3/4 HP Brakemotor
  • Input Power 230/460 Vac, 3ph, 50/60 Hz
  • Maximum Process Pressure ATM

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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