{"id":4213,"date":"2020-06-18T15:56:34","date_gmt":"2020-06-18T13:56:34","guid":{"rendered":"https:\/\/www.traffic-data-systems.net\/produkte\/optische-messgeraete\/wartung-kalibrierung\/"},"modified":"2024-06-22T12:31:09","modified_gmt":"2024-06-22T10:31:09","slug":"maintenance-of-retroreflectometers","status":"publish","type":"page","link":"https:\/\/www.traffic-data-systems.net\/en\/products\/optical-instruments\/maintenance-of-retroreflectometers\/","title":{"rendered":"Maintenance of Retroreflectometers"},"content":{"rendered":"\n
\n
\n

Maintenance<\/h2>\n<\/div>\n\n\n\n
\n
\"LTL<\/figure>\n<\/div>\n<\/div>\n\n\n\n

The majority of instruments are used by publicly appointed and sworn experts, test institutions, authorities, marking companies or in quality management by industrial organisations. We recommend that the units be maintained every two years and the standards recalibrated in a photometrically accredited laboratory.<\/p>\n\n\n\n

In order to ensure the long-term accuracy of DELTA measuring instruments, they must be handled with care and well looked after. As well as regular cleaning of the window in front of the lens and the calibration standards, the battery should also be used in accordance with the manufacturer’s instructions. Please contact us if you have any questions relating to care, maintenance and recalibration.<\/p>\n\n\n\n

Every spring, we offer instrument maintenance at special rates. The standards can also be recalibrated as part of this work.<\/p>\n\n\n\n

\n
\n
\"\"<\/figure>\n<\/div>\n\n\n\n
\n

Recalibration of standards<\/strong><\/h2>\n<\/div>\n<\/div>\n\n\n\n

DELTA has been accredited by DANAK and has the status of a national reference laboratory for testing and calibration in the fields of photometry, radiometry and colorimetry. The Danish accreditation body DANAK is a member of the EA (European Cooperation for Accreditation), which guarantees international recognition of the calibration certificates produced by the testing and calibration laboratory.<\/p>\n\n\n\n

Every DELTA instrument is delivered from the factory with a calibration standard which has been verified in DELTA’s calibration laboratory for photometry. The origin of the standard and knowledge of the precise coefficients of luminous intensity form the basis for accurate and reproducible measurements. The calibration certificate guarantees that the standard has been calibrated in compliance with the quality criteria of the DELTA quality manual, which has been evaluated by DANAK.<\/p>\n\n\n\n

The instrument standards can change their values over a period of time (e.g. due to UV radiation). For this reason, the standards should be recalibrated no later than every two years. A current calibration certificate is provided for each standard tested.<\/p>\n\n\n\n

Technical specifications<\/th>LTL-X Mark II<\/th>LTL-XL<\/th>LTL-M<\/th>RetroSign<\/th><\/tr><\/thead>
Cleaning of instrument and standard(s)<\/td>\"\"<\/td>\"\"<\/td>\"\"<\/td>\"\"<\/td><\/tr>
System check<\/td>\"\"<\/td>\"\"<\/td>\"\"<\/td>\"\"<\/td><\/tr>
Installation of software updates<\/td>\"\"<\/td>\"\"<\/td>\"\"<\/td>\"\"<\/td><\/tr>
Inspection of light sources<\/td>\"\"<\/td>\"\"<\/td>\"\"<\/td>\"\"<\/td><\/tr>
Inspection of batteries<\/td>\"\"<\/td>\"\"<\/td>\"\"<\/td>\"\"<\/td><\/tr>
Inspection illumination angle<\/td>\"\"<\/td>\"\"<\/td>\"\"<\/td>\"\"<\/td><\/tr>
Inspection observation angle<\/td>\"\"<\/td>\"\"<\/td>\"\"<\/td>\"\"<\/td><\/tr>
Inspection\/adaption hardware<\/td>\"\"<\/td>\"\"<\/td>\"\"<\/td>\"\"<\/td><\/tr>
Inspection\/adaption software<\/td>\"\"<\/td>\"\"<\/td>\"\"<\/td>\"\"<\/td><\/tr>
Calibration RL standard (replacement)<\/td>optional<\/td>optional<\/td>optional<\/td>optional<\/td><\/tr>
Conformity check Qd reference (replacement)<\/td>optional<\/td>optional<\/td>–<\/td>optional<\/td><\/tr>
Stability test<\/td>\"\"<\/td>\"\"<\/td>\"\"<\/td>\"\"<\/td><\/tr>
System calibration<\/td>optional<\/td>optional<\/td>optional<\/td>optional<\/td><\/tr>
Inspection of printer<\/td>optional<\/td>optional<\/td>–<\/td>–<\/td><\/tr>
Test interfaces<\/td>\"\"<\/td>\"\"<\/td>\"\"<\/td>\"\"<\/td><\/tr>
Inspection charger<\/td>\"\"<\/td>\"\"<\/td>\"\"<\/td>\"\"<\/td><\/tr><\/tbody><\/table>
Subject to technical changes. Special solutions for individual projects possible.<\/figcaption><\/figure>\n\n\n\n

Important information:<\/strong><\/p>\n\n\n\n

Instruments that have been opened and\/or tampered by customers and\/or third parties not certified by DELTA lose any warranty\/guarantee claim. Furthermore, no warranty is given that these instruments measure correctly.<\/p>\n\n\n\n

In 08\/2023, the supply of calibration standards for the LTL-X and RetroSign GR models will be discontinued.<\/p>\n\n\n\n

In 01\/2028 the spare parts supply and service for the LTL-XL as well as for the LTL-X Mark II will be discontinued.

In 01\/2022 the spare parts supply and service for the LTL-X will be discontinued. For the RetroSign GR1 and GR3, service and calibration will be offered until further notice. However, there are no longer any spare parts for these systems available.<\/p>\n\n\n\n

In 06\/2021 DELTA stopped the production of the LTL-XL and the LTL-X Mark II.<\/p>\n\n\n\n

In 06\/2019 DELTA discontinued spare parts supply and service for the LTL 2000\/S\/SQ, the Qd30 and the RetroSign 4000\/4500. <\/p>\n","protected":false},"excerpt":{"rendered":"

Maintenance The majority of instruments are used by publicly appointed and sworn experts, test institutions, authorities, marking companies or in quality management by industrial organisations. We recommend that the units be maintained every two years and the standards recalibrated in a photometrically accredited laboratory. 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