Device that records the speed and distance of a vehicle
This article is about the device used for recording vehicle data. For the tachograph, an early communications device, see Claude Chappe.
Not to be confused with tachometer, an instrument for measuring rotation speed of a shaft or disk.
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Analogue tachographTachograph chart
A tachograph is a device fitted to a vehicle that automatically records its speed and distance, together with the driver's activity selected from a choice of modes. The drive mode is activated automatically when the vehicle is in motion, and modern tachograph heads usually default to the other work mode upon coming to rest. The rest and availability modes can be manually selected by the driver whilst stationary.
A tachograph system comprises a sender unit mounted to the vehicle gearbox, the tachograph head and a recording medium. Tachograph heads are of either analogue or digital types. All relevant vehicles manufactured in the EU since 1 May 2006 must be fitted with digital tachograph heads. The recording medium for analogue heads are wax coated paper discs, and for digital heads there are two recording mediums: internal memory (which can be read out with one of a variety of download devices into a so-called .ddd file) and digital driver cards containing a microchip with flash memory. Digital driver cards store data in a format that can later also be read out as a .ddd file. These files – both those read from internal memory with a download device, and those read from the driver cards – can be imported into tachograph analysis/archival software.
Drivers and their employers are legally required[where?] to accurately record their activities, retain the records (files from internal memory and from driver cards must both be retained) and produce them on demand to transport authorities who are in charge of enforcing regulations governing drivers' working hours.[citation needed]
They are also used in the maritime world, for example through the Central Commission for Navigation on the Rhine.
A tachograph is a device fitted to a vehicle that automatically records its speed and distance, together with the driver's activity selected from a choice...
A digital tachograph is a device fitted to a vehicle that digitally records its speed and distance, together with the driver's activity selected from a...
it doesn't exceed the 3.5 T gross vehicle weight) does not require a tachograph and can also be driven by people with a regular car license without the...
purposes. Some of the main features include the wireless Internet Digital Tachograph, the first of its kind in Japan, combined with hands-free communication...
required to insert his driver's license into a digital tachograph before starting to drive. The tachograph unit records speed violations for each driver and...
master is moving. List of auto parts List of vehicle instruments Redline Tachograph Erjavec, Jack (2005). Automotive Technology. ISBN 1-4018-4831-1. Donkin...
laws Click It or Ticket Clunk Click Every Trip Road safety Tachograph Digital tachograph Drivers' working hours (Europe) Drowsy driving Epilepsy and...
trip computer Some Carputer software includes trip computer functions Tachograph "Never Seen One: Well-Preserved RHD 1950 Fiat 1400 (comments section)"...
laws Click It or Ticket Clunk Click Every Trip Road safety Tachograph Digital tachograph Drivers' working hours (Europe) Drowsy driving Epilepsy and...
All-in-One Display for taxi model includes navigation, app taximeter, digital tachograph and voice recognition. All-in-one display is applied with AI assistant...
vehicle electronics, automotive safety, powertrain, chassis components, tachographs, and other parts for the automotive and transportation industries. Continental...
laws Click It or Ticket Clunk Click Every Trip Road safety Tachograph Digital tachograph Drivers' working hours (Europe) Drowsy driving Epilepsy and...
speed limiters to 80 km/h and using the speed information stored by the tachograph to punish breaches of the speed limit. The SIAF considered the crash-worthiness...
the EDR is limited compared to journey data recorders such as digital tachographs in Europe or electronic logging device in the USA, which may also be...
limited to 9 hours per day. Companies are legally obligated to install a tachograph in any vehicle that is expected to carry goods. This obligation has led...
back of their tachograph record sheets (if using an analogue tachograph) or on a printout or temporary sheet (if using a digital tachograph) at the latest...
not allowed to drive category C1 vehicles which are required to have a tachograph fitted 101 – not for hire or reward (that is, not to make a profit) 102...
houses the Connecticut Museum of Culture and History. Odometer Speedometer Tachograph Tachometer Taximeter Hobbs meter Tach timer "Road user charges (RUC) |...
semi-trailers under the TITAN brand) and its subsidiaries Tachograph LLC (Russian: ООО Тахограф - tachographs supplier) and Shaft LLC (Russian: ООО Шафт - truck...
Garfield solves a rash of holiday burglaries with his knowledge of tachographs. 152 "A Family Trait" TBA Aisling Walsh Candy Denman 23 December 1993 (1993-12-23)...
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