SECTION 4

MAINTENANCE

General care

The Retroreflectometer is constructed for outdoor use in ordinary good weather conditions. It will stand moist weather with wet roads, but caution must be taken against rain or splashes and dirt from traffic. The LTL2000S(Q) Retroreflectometer is an optical instrument and shall be handled as such. Avoid shock and vibration if possible.

Note

Keep dust/protection window and light trap clean

Protection window

The protection window is located in the optical unit. The protection window is coated with a high efficiency anti reflection coating. Care must be taken not to damage this coating by cleaning. A fine brush can be used for removing loose particles/dust. If this is not sufficient the window should by cleaned using a soft paper tissue or cloth and some window cleaning liquid.

Battery

The LTL2000S(Q) Retroreflectometer is powered by a sealed 12V/3.5Ah lead acid battery, which under normal use requires no maintenance. However it is recommended to keep the battery fully charged. A fully charged battery is more capable of withstanding low tempera- ture and ageing.

Battery charger is provided as a standard accessory for charging the battery from mains. The output cable of the charger is equipped with a socket matching the connector in the instru- ment. Connect charger to mains and instrument. The red indicator will be switched on as long as the charging is in progress. Thereafter it switches periodically on and off. Normally the charging will take about 8 hours. Typically the battery achieves 90% of the capacity in 5 hours. No harm will result from leaving the charger connected for time in excess of the above indicated duration of the charging process. However, the battery must be disconnected from the charger when disconnecting the mains.

The battery is located in a compartment at the front of the tower. To replace the battery re- move the screws holding the right side cover plate, seen from behind. Remove the screws from the right hand side of the red front- and back cover plate. Remove the side cover plate. Remove the 2 nuts holding the clamp plate. Lift out the battery of its container. The battery can now be removed and replaced. Refit in reverse order.

DELTA

LTL2000S(Q) Retroreflectometer

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Delta LTL2000S manual General care, Protection window, Battery

LTL2000S specifications

The Delta LTL2000S is a high-performance lighting solution designed to meet a variety of needs in both residential and commercial settings. This innovative product emphasizes efficiency and versatility, making it an ideal choice for those seeking to enhance their lighting systems. With advanced technology and a focus on user-friendly features, the LTL2000S has quickly become a staple in modern lighting applications.

One of the standout features of the Delta LTL2000S is its energy efficiency. Utilizing LED technology, this lighting solution provides significant energy savings compared to traditional incandescent or fluorescent bulbs. The LTL2000S offers a luminous efficacy that allows for bright illumination while consuming minimal power. This eco-friendly approach not only helps reduce electricity bills but also lowers the environmental impact, aligning with sustainable living principles.

The LTL2000S is designed for flexibility and adaptability, making it suitable for a wide range of applications. With multiple mounting options, including wall, ceiling, and pendant installations, this lighting fixture can seamlessly integrate into various spaces, from residential homes to commercial offices and retail environments. The sleek design of the LTL2000S is aesthetically pleasing and complements any interior decor, providing functionality without compromising style.

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Durability is another key characteristic of the LTL2000S. Built with high-quality materials, it is designed to withstand the rigors of various environments, ensuring longevity and reliability. The robust construction also includes heat dissipation technology, which prevents overheating and extends the lifespan of the unit significantly.

In conclusion, the Delta LTL2000S stands out in the competitive lighting market due to its energy efficiency, versatility, advanced controls, and durable design. Whether used in residential or commercial applications, it serves as an excellent solution for modern lighting needs, blending performance with aesthetic appeal. This product is truly an example of innovation in lighting technology, catering to the demands of today's consumers while promoting sustainability.