Edwards nXDS is the great new shape of dry vacuum pumping and the nXDS has taken scroll vacuum technology to the next level. Improved performance, exceptional pumping capability, quiet operation and extended service intervals make nXDS the ultimate dry choice.
Performance
nXDS has been designed to combine the latest advances in scroll technology with an intelligent drive coupled with the long established, truly dry, hermetically sealed mechanism of the XDS series.
Class leading pumping speeds are an improvement over previous XDS models and, with the drive, are of course consistent worldwide. Likewise, ultimate vacuum pressures which are below 10-2 mbar are now comparable with those of oil-sealed rotary vane pumps – without the inconvenience of oil.
Hermetic sealing ensures that the vacuum environment is not contaminated by bearing lubricant and, conversely, the bearings are not contaminated by any process gas being pumped.
Quiet running
The modern laboratory is often a busy place with many other appliances running, all contributing to the background noise. With its low noise power level of 52 dB(A), the nXDS pump makes only a very small contribution to the total noise. This level is up to twenty times less than those of competitor products.
Other variants
For more aggressive applications, ‘C’ Variants are available which feature Chemraz® internal valves and stainless steel fittings for extra protection from the pumped media.
R variants are available for specialist applications such as gas recirculation, rare gas pumping and recovery or other applications where the dilution of the pumped gas is undesirable, or where sealing is integral to minimising potential gas loss.
Manual
Push button START, STOP and STANDBY. Accurate speed control of 1% of maximum running speed.
Parallel remote
From your own control system via the 15 way d-sub connector giving the same START, STOP and STANDBY with the option of analogue speed control.
Serial communication remote
Option of either RS232 or RS485 with a choice of Edwards’ proprietary ‘DX’ protocol or industry standard Modbus protocol. A USB port has been included for service use only. The pump controller is able to accept voltages from 100-127 and 200-240V (+/- 10%) without the need for intervention.