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Can you prove the speed on a digital tachograph

Forensic Tachograph Speed Analysis

As a tachograph analysis bureau we are always getting people asking for forensic analysis for some reason or another. The most common reasons are either a traffic accident, speeding fine or because someone has made false claim of damage against the driver.

On the traditional paper tachograph charts you can see the speed trace and get a fairly accurate reading. Especially if you use a trained analyst and and infrared scanner to get the most accurate reading possible.

However the digital tachographs are not so easy to get the accurate speed data and you need to make sure you act fast to get it. The digital tachograph vehicle unit does store the exact speed data for every second of driving but only for 24 hours of driving.

 

Here is how to get the Speed data from a digital tachograph

To get this detailed speed data you need to do a full download on the vehicle unit. If you use the same digital tachograph downloading device as we do, which you can see at the link below, then you need to make sure you choose the button which says “All VU” and not the one which you would normally use every 56 days which says “Latest VU”. If you use a different product just give us a call and we will help you figure out how to get the data you need.

http://driverhours.co.uk/product-wts/tachograph-downloading-equipment/

Once you have the file you then need to get it analysed by a bureau who have the skills and software to carry out forensic analysis on vehicle files.

Remember it is 24 hours of driving time so you may still be able to get the data for a specific time 3 days ago as long as the vehicle has not done more that 24 hours of driving since the event.

As always if you need any help with this or anything else to do with tachographs and compliance just give me a call on (0191) 491 5032 or send me an email.