VOSA or whatever they are called nowdays , are giving tacho centres the option of withdrawing from doing analogue tacho’s and only doing digi New centres will not have to do analogue at all,so it may get increasingly difficult to find centres to do analogue for anyone out there with them
Our kit is calibrated 6 monthly ,with 3 monthly checks ,If someone is doing a tacho in 30 mins ,it isn’t being done correctly