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Multi Stage Root SD Version
The pump is designed for applications that require pumping of clean (dust-free) and non corrrosive gases. Standard pumps are equipped with a gas ballast device to improve pumping of light gases and avoid condensation vapors inside the pump.
G versions (ACP 15 / ACP 28 / ACP 40)
G version pump is compatible with trace amounts of corrosive gases. Three jets located in the purge line help withstand trace amounts of corrosive chemicals, protect the low and high pressure ball bearings.

Rugged, easy to handle device for mobile leak detection

This leak detector is characterized by:
Leak detection based on Quartz Window Sensor technology
Compact dimension and low weight (5 kg)

CV versions extend the pure water vapor capacity up to 1000 g/h (at 100 mbar and 30 °C ambient temperature).
A high gas ballast flow warms up the pump and dilutes condensable gases (> 2 N.m3/h or 33 slm at 1 bar abs.).

Dry Screw Pumps. Optimum Ultimate Pressure. Absolutely Oil-Free. Cool-Running.

With HeptaDry, Pfeiffer Vacuum is once again providing the industry with another reliable, high-quality product. The pumps from this new series of dry screw pumps are optimally suited for their applications in connection with low and medium vacuum.

Polarized light microscopy provides all the benefits of brightfield microscopy and yet offers a wealth of information, which is simply not available with any other optical microscopy technique such as refractive indices, birefringence, retardation, extinction angle, pleochroism.