The RPM5 has variable speed plus an adjustable tilt action and is suited to a variety of mixing and washing applications. The digital speed control has a range of 4-57 RPM and is controlled from the easy to read front panel. A large LED display can show set speed and actual speed. Slow acceleration is incorporated in the drive system to reduce the risk of spillage. The timer can be set from 0-99 in either minutes or hours, in addition the RPM5 has 3 memory buttons to allow repeat time/speed functions to be stored. When required the RPM5 can run for extended periods unattended. A Nitrile mat is supplied fitted to the platform and is sufficient for holding containers at low speeds. For higher speeds optional racks are available. The RR5 Universal rack pictured above has adjustable horizontal rubber covered bars that can be positioned to hold a variety of different sizes and types of containers, including test tube racks, trays, flasks etc.