ST1 Potent Powder Weighing Enclosure

Used by major pharmaceutical companies worldwide, the ST1 Potent Powder
Weighing Enclosure is the recognised leader for safe weighing environments.
The ST1 Potent Powder Weighing Enclosure is specifically designed and independently
tested to protect the analyst from airborne contaminants when weighing potent

  • Safety performance – ECL 15ng/m3
  • Containment tested to EN14175 and ASHRAE110
  • Surrogate powder tested by SafeBridge Consultants
  •  Turbulance free weighing environment
  •  Safe change HEPA filtration system
  •  Low air volume requirement
  •  Ceramic base
  •  Dual sensor air flow alarm system
  • Safe waste disposal
  • Custom built solutions

Customisable Design

SKU: ST1 Category:
ST1 Potent Powder Weighing Enclosure – Technical Specification

The ST1 Balance enclosures guarantee balance stability whilst providing proven protection from exposure to potent compounds. ST1 Balance weighing enclosure systems are specifically designed for the handling and weighing of potent compounds from milligram to kilogram quantities. In addition, the unique patented airflow and cleaning design provides a turbulence-free environment for sensitive analytical and microbalances.

ST1 Ergonomic Design

The ergonomic profile design makes the ST1 Potent Powder Weighing Enclosure comfortable and easy to use. These enclosures are designed with an increased internal depth therefore they can accommodate deeper balances whilst minimising bench space.

ST1 Technical Specification

Please find below a video and the technical specification for this laboratory safety enclosure. Alternatively, download the technical specification using the following button. Alternatively, watch the video below for more details. If you are looking for a bespoke safety enclosure, please contact us.


  • 8mm Optically clear cast acrylic body
  • Black ceramic base
  • Stainless steel mobile bench available
  • Space saving roof mounted filtration available

DIMENSIONS (mm) – (W x D x H)

External / Internal

900 x 750 x 600 / 850 x 600 x 580
1200 x 750 x 600 / 1180 x 600 x 580
1500 x 750 x 600 / 1480 x 600 x 580
1800 x 750 x 600 / 1750 x 600 x 580

  • Custom built solutions available
  • Anti-vibration bench option

If you are looking for a Custom built solution for a Potent Powder Weighing Enclosure, please contact us to discuss your requirements.


  • 230v/50Hz/13A Service (EU)
  • 110v/60Hz/20A Service (USA)



  • Re-circulatory design, can be stand-alone operation or connected direct to house


  • Safe-change HEPA filter
  • Modular air handling filtration unit
  • Min 99.995% efficiency at 0.3 microns (H14)
  • Activated Carbon filtration available


  • Continual airflow monitoring using a dual sensor hot wire anemometer complete with audible / visual alarm


Technical Experts

ISO9001 Certified

Quick Turnaround

In-House Engineering Design

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