Ultrasonic Thickness Gauge SAUTER TB 200-0.1US-REDReliable material thickness gauge for daily use External measuring head for difficult to access measuring points Base plate for adjustment included Auto Power Off Selectable measuring units: mm inch Can only analyse these materials: cast iron, aluminium, copper, brass, zinc, quartz glass, polyehylene, PVC, grey cast iron, nodular cast iron, steel Scope of delivery: Operating instructions, batteries, external measuring head (? 8 mm) and ultrasound