The Trumeter robust machine measures the length of wire and other materials from 0.5mm up to 15mm diameter. The machine is equipped with two adjustable tension springs, mounted externally, which can be unhooked from their anchor. This allows the measuring head to be pivoted up to a backstop to facilitate threading the cable through the machine. If a shaft encoder is fitted, the output can be directed to any type of counter with an electronic input. For material travelling towards the operator Metres or Centimetres unit of measurement