| The PFR-100 series from GW Instek are small, high performance programmable D.C. power supplies featuring a natural convection design to dissipate heat. The fanless structure allows users to focus on their experiments and tests in a quiet environment. Fanless power supplies will not suck in dust and foreign objects, therefore having a longer life cycle compared with those that use fans. Click Here to download Full Product Datasheet. |  |