An optical/contact tachometer for measuring speeds of rotating objects in RPM. It measures surface speeds in metres per minute or feet per minute. High accuracy is achieved by combining CPU, photo electrical and laser techniques. The ergonomic design makes the instrument comfortable to use. Impact resistant ABS case. Laser spot for easy identification of target (optical mode). Optical detecting distance 50m-500mm. 28mm LCD display with function indicators. Recall of last measured value. Min/max memory updated automatically. Interchangeable cone, funnel and surface wheel for contact measurements. Sampling time of 0.8secs (over 60 RPM). Low battery indicator. Supplied with foam padded carry case, 700mm reflective tape, batteries and accessories kit