Patented electronic laminar flow control.

 Internal secondary standard calibrates the pump continuously for compliance with OSHA 3058.

Check against a primary standard only once a month or every 200 hours for coal mine dust sampling.

 Inlet filter traps moisture and particular matter.

 Stainless steel-filled plastic case provides EMI/RFI protection.

 Rated IP66 for resistance to water and dust ingress.

Exceptionally quiet operation.

Optional Flow-Fault Indicator shows any sample inlet blockage.

Run/Hold feature allows “time out” during sampling process.

Elapsed time readout and low-battery warning.

 Low flow and dual tube sampling available with Gemini Twin-Port Sampler.