The CV Instrument arm of the Bowers Metrology Group has launched an advanced . Boasting an easy-to-read LCD backlit display, the cost-effective, portable TR-110 operates in both Ra and Rt parameters, it has a choice of three cut-off lengths and is suitable for use on most materials. The TR-110 is supplied with Li-ion rechargeable batteries and charger, an Ra roughness test plate and a tough carrying case.