Powerdynamo brings new ignition & light 
to your classic bike

 
  elektronic revolution counter (tachometer) for our systems
To put it in a nutshell: we can not offer a solution.
The majority of our systems is geared anyway to motorcycles which never had such an instrument.

The recommendation is to look for an instrument that inductively takes the puls from the HT leadc (that is via a few wire windings around the (or one of the) HT cables.

Only bear in mind that on our 2 stroke twin systems there are 2 sparks and hence 2 pulses per rev. Otherwise, 4 strokes included, there is one per rev.
Why are we that restrictive?
The demise of the points is applauded by everyone, except the rev meter which we now deprive of the source for its pulse. 

Unfortunately it is not really possible to connect tachometers previously connected to the points now to powerdynamo systems. The problem is the shape and the polarity of the pulses.

Further, there are commercial problems. Customers wishes are that manifold and contraditory (as to shape, colour, max revs on the scale, fastening etc) that we can not sensibly maintain an offer. This did actually lead to the fact that our previous offers have not really been accepted.

In short, the propblems are too big and the market for it too small to follow this matter.

We have therefore stopped our support for tachometers.  Asking for it will be in vain. Sorry.