Gauge, tacho, electronic, 0-7000rpm, black, 100mm

These new Smiths Classic digital tachos for heritage cars are the perfect way to bring modern technology into an ageing vehicle.  The Smiths Classic digital tacho measures 100mm (4in) in diameter and features a polished chrome bezel. The gauge shows a range of 0-7000rpm. Variable input signal options from conventional ignition coil, ECU output (square wave and open-collector), camshaft senders, alternator 'W' terminal, etc.

• Negative earth vehicles only
  
• 12 volts operation
  
• Power consumption less than 75mA
  
• Tolerance +/-3% of full scale
  
• Tachometers (all are electronic) Calibration: Petrol engines 1 to 12 cylinders 
  
• Diesel engines alternator driven from 8 to 29 pulses per engine rev