Displacement 50 or
43 m3h-1 / 25 ft3min-1
Peak pumping speed 50
35 m3h-1 / 21 ft3min-1
Ultimate vacuum (Total
1 x 10-2 mbar / 8 x 10-3 Torr
Max inlet pressure for
35 mbar / 23 Torr
Max water vapour
pumping rate – GB I
Max water vapour
pumping rate – GB II
Max allowed outlet
0.2 bar gauge / 2.9
Max allowed inlet and
0.5 bar gauge / 7 psig
IEC EN60320 C19
Nominal rotation speed
48 kg / 105 lb
57 dB (A)
<4.5mms -1 (rms)
<1 x 10-6 mbar ls-1
10 to 40 °C / 50 to
Why Buy From Marshall Scientific?
Every product we offer undergoes a rigorous inspection process to verify that all manufacturer specifications are met. All of the electronics and boards are tested for proper function, and any necessary preventative maintenance is performed alongside repairs by our industry trained technicians. Our primary goal is to offer products that are as close to new as possible at an affordable price.
All Lab Equipment is Fully Refurbished and Tested
Most Pieces Ship within 2 to 5 Business Days
All Products Come with a Standard Warranty
Trained Customer and Technical Support
Industry Leading Overall Customer Satisfaction
Our technicians decontaminate and clean all equipment upon arrival and upon purchase to create a neutral environment for lab use.
Preliminary testing is conducted to identify potential product defects, upon completion, we replace all faulty and/or under-performing parts with original manufacturer parts that perform up to specification.
Any parts known to fail or malfunction from excessive use are removed and replaced to insure the extended lifetime of your equipment.
Any necessary preventative maintenance is performed alongside repairs, so your purchase will be ready to go as soon as it arrives.
All electronics and boards are tested for proper function and response by our industry trained technicians. Any electronic deficiencies detected are immediately repaired.
Final testing cycles ensure your instrument performs fully at manufacturer specifications, guaranteeing you receive a properly working product ready for use.
Once we finish our rigorous testing and decontamination procedures, your order will be packaged to best protect it during shipment and will include delivery insurance.