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Blog posts : "Leica: Accessories"

Bags & Containers

Maximum protection for instruments and accessories

Valuable, sensitive instruments and accessories are optimally protected in Leica Geosystems containers and bags. The hard-shell cases are subjected to drop tests and protect the contents with against drops, dust and splashing water. At the same time, the containers and bags are designed for maximum protection and the best possible carrying comfort.

Eyepieces

Highest optical performance

The optical performance and quality from Leica Geosystems have set a worldwide standard, and this is naturally also true for the eyepieces and ancillary lenses for the instruments. This is important in order not to compromise the instrument optics with lower quality accessories. Eyepieces for comfortable observations of steep sights, up to the zenith, with thread connection. Solar filters for the objectives of all TPS instruments. Autocollimation and magnification eyepieces as well as covers for all eyepieces and lenses.

Poles

Lightweight construction, high stability, robust quality

Using a professional surveying pole is essential  if you want to gain the accuracy needed in today’s data collection. Due to the use of materials such as carbon and aluminium, the original GNSS poles from Leica Geosystems offer an optimal balance of weight, stability and longevity.

According to series and model, they are available either with a tip made of Widia®, an extremely hard carbide material, or with interchangeable tips. Their construction allows simple handling with high application steadiness.

Carriers

Original quality and selection

Like all other Leica Geosystems Accessories, the Original carriers distinguish themselves through outstanding quality features. The high precision carriers of the Professional 5000 Series offer you a choice between a carrier with laser plummet, or optical plummet and longitudinal bubble for high accuracy positioning. 

Transparent choice

Professional 5000 carriers deliver an outstanding 0.3 mm centring accuracy. The carriers of the Professional 3000 Series offer a centring accuracy of 1.0 mm.

Professional 5000: Outstanding 0.3 mm centring accuracy
Professional 3000: 1.0 mm centring accuracy

Data Transfer Cables

Highest security even under extreme conditions

The Leica Geosystems accessory program includes data transfer cables, power tension cables and antenna cables of the highest quality. For data transfer, Leica Geosystems offers serial and USB data cables. The data transfer over the cable from and to the instrument is therefore extremely reliable and secure, even in extreme heat, cold, snow and rain.

All Leica Geosystems cables are equipped with LEMO® plugs for outdoor use. The precision connections of recognised market leaders are found not only at Leica Geosystems, but also in other applications where similar quality demands are made, such as aviation, aerospace and medical technologies. A further significant quality component of the Leica Geosystems cable is its casing. It is constructed so that the cable can be stored at temperatures from –40°C to +70°C and functions reliably at operating temperatures from -20°C to +55°C while remaining elastic in handling. Last but not least, although not visible from the exterior, it is the cable material that determines the security of data transfer. The original cable contains only high-value cable casing, tested shielding and highly conductive copper litz wires. In other cables, such as “Leica-like” replicas, quite inferior value cable material, sometimes even with aluminium litz wires, is used. This aspect alone can lead to strong disturbances and transfer errors.

Data Storage Media

Secure data storage and transfer

Leica Geosystems storage media are perfectly matched to Leica Geosystems instruments and sensors. Compared to conventional devices on the market, that read or write single data, these instruments have a different functional principle. The TPS or GNSS instruments create a database on the memory card and switch constantly between different open files. Standard memory cards are unable to manage this required multi-tasking function. This leads to problems in data communication and is one of the main causes of data loss. Furthermore, the original storage media also function with highest reliability in extreme temperatures, handling shock and high humidity.

Batteries & Chargers

For reliable power supply

At first glance, chargers and batteries do not seem to be especially important accessories. Perhaps they do not seem worth paying attention to for quality or origin. Experience shows the opposite. Instruments and their electronics react sensitively and need a reliable power supply in all environmental conditions. Batteries and chargers are also exposed to these conditions - some will function, others might and some not for long or not at all, under certain conditions. That is why the quality and efficiency of the originals also counts for batteries and chargers.

Transparent choice

Leica Geosystems offers you a wide palette of high-value chargers and batteries. For chargers, you have the choice between the Professional 5000 Series with high functionality and intelligence and the Professional 3000 and 1000 Series, the cost effective alternatives with less function, but outstanding quality and security.

Professional 5000: INTELLIGENT CHARGER
Professional 3000: MULTI-FUNCTIONAL CHARGER
Professional 1000: SIMPLE CHARGER

Chargers and batteries from Leica Geosystems are perfectly matched to each other and to the instruments, and reliably secure the power supply in the field. They achieve best values in regard to temperature tolerance, re-charging capability, operating time and cycle behaviour. Carefully and correctly handled, Leica Geosystems batteries achieve a maximum service life and are a guarantee that in decisive moments enough energy is available in the instrument, so that a measurement can be exactly and correctly completed.

Quality and Safety Requirements

  • Only brand battery cells
  • Integrated microchip for intelligent charging
  • Integrated temperature sensor as protection against over-heating
  • Integrated protection against short circuits
  • Gold-coated contacts
  • IP 54 tested against rain and splash water
  • Resilience against high mechanical influences
  • Electronics protect against deep discharge and current peaks on charging, that could damage the batteries

Reflectors

Maximum accuracy and range

The range of a prism results from, among other things, its coating and the glass geometry. A number of Original prisms from Leica Geosystems have a special coating on the reflective surfaces – the Anti-Reflex Coating, and a copper coating on the reverse side. Without these, the range of distance measuring, ATR and Powersearch would be reduced by up to 30%. The workmanship and the durability of the copper coating are decisive for a long life. The glass dimensions, the position in the holder and with it the areal orientation, are important for measuring accuracy.

Transparent choice

Leica Geosystems offers a transparent selection of prisms in various sizes for different areas of application. These are standard prisms, special prisms, mini prisms as well as monitoring prisms.

Professional 5000: HIGHEST ACCURACY
Professional 3000: MAXIMUM LIFETIME
Professional 1000: COST EFFECTIVE MEASURING

Centring Accuracy

Measurement errors occur if Original prism holders are not used. Substitutes are not configured according to Leica Geosystems criterion and often exhibit displacement between prism, holder and recording pin. The holder and the prism constitute a unit with which the centring and repeat accuracy is defined. The smallest dimensional change in the geometry of a glass prism or on the holder can lead to a deviation from the centring axis and thereby create measurement errors.

Range

The beam deviation of a prism defines the its maximum range, according to the principle "entering beam should equal the exiting beam". The smaller the beam deviation (measured in angle seconds), the greater the directly reflected signal strength to the sender optic. The returned signal quality defines the maximum range of a measurement.

Lifetime

In contrast to many conventional prisms, the reflective copper coating on the reverse side of  Original prisms consists of a  support coating, a vacuum-metallised copper coating, a protective coating and an overlying coat of lacquer. The special adhesive lacquer protects the underlying layers from corrosion and detachment. Working together, the copper coating and the lacquer increase the life of the prism significantly. An additional anti-reflex coating on the sensitive front surface of the prism provides a tough resistance to scratches. The production  process of these coatings is so complex that only a very few manufacturers worldwide meet the requirements of Leica original prisms.

Measurement Accuracy

Measurement errors occur frequently at close ranges when prisms without anti-reflex coating are used, as the front of a prism always directly reflects a certain percentage of a signal.  Errors occur in the use of prisms without copper coating on the back side when moisture droplets accumulate or the prism becomes foggy. Leica Geosystems therefore uses either the stated reflective coating or a patented system for the prevention of fogging and condensation.

Tribrachs

The ideal tribrach for your application

Similarly to the stability of the tripod, that of the tribrach is a significant factor in measurement accuracy. The torsional rigidity, the most important criterion of a tribrach, is constantly controlled and tested during its production. The maintenance-free foot screws of the Leica Geosystems tribrach provide movement that is always smooth and free of play, even after years of use. The precise alignment of the support area to the base plate of the instrument assures extremely accurate forced centring. The optical plummet is so robust that the need for adjustment during the entire lifetime of the tribrach is practically unnecessary. Its construction predestines the tribrach for all applications, including extreme temperatures and high dust and humidity.

Transparent choice

All original tribrachs comply with the strict specifications and quality standards of Leica Geosystems. Your choice should ideally be made according to your individual accuracy requirements. 

Professional 5000: Hysteresis maximum of 1" (0.3 mgon) or better
Professional 3000: Hysteresis maximum of 3" (1.0 mgon)
Professional 1000: Hysteresis maximum of 5" (1.5 mgon)

The torsional rigidity of the original

The accuracy with which a tribrach returns to its starting position once the instrument has stopped, is called torsional rigidity or hysteresis. This hysteresis is the relative movement between the top plate and the base plate of a tribrach that occurs through the rotation of a TPS instrument. The hysteresis has direct influence on the angular accuracy of the instrument – and that speaks for the original. To optimise the hysteresis as Leica Geosystems has done is complex and calls for the highest precision: a movement of the upper plate to the lower plate of 0.3μm corresponds to an angle error of 1”. Especially motorised instruments with their high acceleration and brake power require tribrachs with very high torsional rigidity.

Tripods

The best tripods for your requirements

The most important criterion for a good tripod is its stability, quite explicitly, the torsional rigidity. With that, a very valuable, but not the only, argument for the original tripod from Leica Geosystems has been named. Other substantial benefits are the height stability under load and the minimal horizontal drift. Also not to be underestimated are advantages such as long life, optimal vibration dampening, water resistance, outstanding behaviour in solar radiation and their weight in relation to load-bearing capacity.

Transparent choice

The right tripod choice is decisive if the indicated accuracy of an instrument is to be reached. The classification "heavy duty" and "light duty" is widely based on ISO Norm 12858-2. 

Professional 5000: Tripod - Heavy Duty
Professional 3000: Tripod - Light Duty 
Professional 1000: Tripod - All-Round 

The stability of the original

Leica Geosystems tripods are manufactured solely from wood or aluminium. Wood, especially the beech and pine used by Leica Geosystems, offers the best stability values, measured on vertical movement and horizontal drift over time. Wood also exhibits optimal vibration characteristics and therefore delivers substantial benefits, especially in the use of motorised TPS. The surfaces of the wooden tripods are sealed several times to prevent moisture absorption and to maximum longevity. Aluminium tripods are robust and save weight, their range of application is however limited.

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