Semi-Automation for APSD Testing

Copley supplies a broad range of labour-saving devices and semi-automated systems for Aerodynamic Particle Size Distribution applications.

Gentle Rocker™ GR 200i

Gentle Rocker GR 200i – Automated Sample Recovery

The Gentle Rocker™ GR 200i is a simple, cost-effective device promoting easy and fully repeatable dissolution of drug present from NGI Collection Cups and for the first time, ACI Collection Plate surfaces following APSD sampling.

Boosting the productivity and repeatability of APSD measurements with the NGI and ACI, the GR 200i applies a consistent, defined agitation pattern to the impactor collection trays, to ensure well-controlled and complete drug dissolution every time.


NGI Collection Cups

ACI Collection Plates

User interface:


Agitation speed:

10 – 60 RPM (+/- 1RPM)


USB A, USB B and RS-232

Dimensions (w x d x h):

590 x 320 x 235 mm

Product Features

Variable agitation speed

Convenient tilting functionality to facilitate effective solution sampling post drug recovery

Extensive reporting options

Dust cover included (Optional: solvent evaporation eliminating covers available)

Full supporting IQ/OQ documentation is available

Gentle Rocker GR 200i Evaporation Cover

Optional: Low Evaporation Cover with seals to minimise solvent loss where evaporation is a particular problem

Gentle Rocker GR 100i – Teaser Video

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