Topas is a manufacturer of instruments and test stands for the particle aerosol technology. The wide range products includes more than 50 different standard devices, over 10 various filter benches separator complex tailor-made systems. comprises: - ...

QCAL Messtechnik GmbH is spezialized in high-quality equipment for gas dosing and mixing nearly every gas, including toxic corrosive gases. Our customers are test laboratories R&D institutes. For life science applications we offer - GMS_2ch GMS_3CH : units ...