Leica Geosystems DD120 Series Скачать руководство пользователя страница 46

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Information code

Description

Information on

instrument label

metres

ft-inch

The service is too shallow to

0.3 m
1ft

metres

ft-inch

metres

ft-inch

The service is too deep.

3.0 m
10ft

metres

ft-inch

The signal received by the

Locator is too small to regis-

ter properly.

The signal received by the

Locator is too large to regis-

ter properly.

Depth function not available.

The Locator is set to the

wrong mode for a depth

reading to be taken.

6.4

Utility Current Measurement

☞

DD130 series only.

☞

The Current measurement is measured in mA (milliampere) and is dis-

played with the utility line depth. Refer to "6.1 Utility Line Depth".

Current measurement

to identify utilities

Estimating Depth and Current of a Utility

Содержание DD120 Series

Страница 1: ...Leica DD120 DD130 Series Locators Accessories User Manual Version 1 0 English ...

Страница 2: ...y directions Intended as a quick reference field guide ü ü Leica DD120 DD130 Ser ies Locators Accesso ries User Manual All instructions required in order to operate the product to a basic level are contained in the User Manual Provides an overview of the product together with technical data and safety directions ü Refer to the following resources for all Leica DD120 DD130 documentation software th...

Страница 3: ...Support Team View the complete history of your support requests and view detailed information on each request in case you want to refer to previous support requests myTraining Enhance your product knowledge with Leica Geosys tems Campus Information Knowledge Training Study the latest online training material on your products and register for seminars or courses in your country myTrustedServices Ad...

Страница 4: ... a Utility 26 5 2 How to Trace a Utility 27 5 3 How to Conduct a Sweep Search 27 5 4 Using the Transmitter in Induction Mode 29 5 4 1 General Information 29 5 4 2 Induction Mode Nulling Out Method 30 5 4 3 Induction Mode Parallel Sweep Method 31 5 4 4 Induction Mode Radial Sweep Method 32 5 5 Using the Transmitter in Connection Mode 33 5 5 1 General Information 33 5 5 2 Direct Connection Mode 34 5...

Страница 5: ...ctional Check 53 9 3 Functional Check of the Transmitter 54 9 4 Functional Check of the Trace Rod 55 9 5 Functional Check of the Sonde 56 10 Care and Transport 58 10 1 Transport 58 10 2 Storage 58 10 3 Cleaning and Drying 58 11 Technical Data 59 11 1 Conformity to National Regulations 59 11 2 Transmitter Technical Data 59 11 3 Locator Technical Data 60 11 4 Conductive Rod Technical Data 62 11 5 Pr...

Страница 6: ... users safety all safety instructions and safety messages shall be strictly observed and followed Therefore the manual must always be available to all persons performing any tasks described here DANGER WARNING CAUTION and NOTICE are standardised signal words for identifying levels of hazards and risks related to personal injury and property damage For your safety it is important to read and fully ...

Страница 7: ... of the product Use after misappropriation Use of products with recognisable damages or defects Use with accessories from other manufacturers without the prior explicit approval of Leica Geosystems Inadequate safeguards at the working site 1 3 Limits of Use Suitable for use in an atmosphere appropriate for permanent human habita tion not suitable for use in aggressive or explosive environments WAR...

Страница 8: ...ubjected to abnormal use as well as before and after important measure ments DANGER Because of the risk of electrocution it is dangerous to use the product in the vicinity of electrical installations such as power cables or electrical railways Precautions Keep at a safe distance from electrical installations If it is essential to work in this environment first contact the safety authorities respon...

Страница 9: ...Precautions Always excavate with care WARNING Depth reading on locator might differ from actual depth of utility When taking a depth reading the depth is calculated as distance to the centre of a utility or to a sonde within the utility Depending on the diameter of a util ity the depth reading might differ from the actual depth of the utility This specifically applies when the signal for depth est...

Страница 10: ...e and on the attached accessories and live utility itself Precautions Take care when handling exposed or non insulated connections Notify others who may be working on or around the utility WARNING Exposure of batteries to high mechanical stress high ambient tempera tures or immersion into fluids This can cause leakage fire or explosion of the batteries Precautions Protect the batteries from mechan...

Страница 11: ...ation By disposing of the product irresponsibly you may enable unauthorised persons to use it in contravention of the regulations exposing themselves and third parties to the risk of severe injury and rendering the environment liable to contamination Precautions The product must not be disposed with household waste Dispose of the product appropriately in accordance with the national regulations in...

Страница 12: ...ransmitter directly to a live electrical utility DANGER Power output of signal transmitter The signal transmitter can output potentially lethal voltages Precautions Take care when using the maximum power output of the signal transmitter Take care when handling exposed or non insulated connections including the transmitter s cable set the earth pin and the connection to the utility Notify others wh...

Страница 13: ...tronic equip ment non standard cables or external batteries This may cause disturbances in other equipment Precautions Use only the equipment and accessories recommended by Leica Geosys tems When combined with the product they meet the strict requirements stipu lated by the guidelines and standards When using computers two way radios or other electronic equipment pay attention to the information a...

Страница 14: ...can also affect humans and animals Precautions Although the product meets the strict regulations and standards which are in force in this respect Leica Geosystems cannot completely exclude the possibility that other equipment can be disturbed or that humans or ani mals can be affected Do not operate the product with radio or digital cellular phone devices in the vicinity of filling stations or che...

Страница 15: ...ct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and the receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help CAUTION Changes or modifications not expressly approved by Lei...

Страница 16: ...13298_001 Labelling DA series transmitters 16 Safety Directions ...

Страница 17: ... to reduce the dangers and costs associated with utility strikes However electromagnetic location depends on the utilities being con ductive metallic and emitting a signal as current passes through them Keep in mind that a locator on its own cannot detect all utilities Take care when excavating We recommend that you adopt a safe system which includes the planning of the search process in advance t...

Страница 18: ... Replace all batteries when indicated f Case foot The case foot can be replaced if it is worn Contact your agency or Leica Geosystems authorised service work shop 2 4 Signal Transmitter Components 013301_001 b c a d e f a Accessory compartment b Connection socket c Battery compartment and USB port d Signal transmitter keyboard e Speaker f Induction arrow 2 5 Li Ion Battery Pack The Li Ion pack is ...

Страница 19: ...V 100 240 V The Li Ion pack should be fully charged before use Result The small LED next to the charge jack flashes at a fast rate to indi cate the wake up process then flashes at a slower rate to indicate that the Li Ion pack is active and charging Applicable to the DD120 DD130 locators and DA Signal Transmitters Description of the System 19 ...

Страница 20: ...vice or unit is faulty g Numeric Signal Strength Indicator SSI Symbol Static SSI is enabled SSI is disabled h Current Indicator DD130 series model Indicates the amount cur rent flowing through a service which is applied by the Transmitter This is measured in milliamperes mA i Measurement Unit Indicates depth indication is in metric or feet and inches j Display Readout Alpha numeric matrix indicate...

Страница 21: ... CON Displays supplier company name TEL Displays supplier company telephone number I D Displays the operator s name PWR Displays the power mode regional setting Refer to World Frequency Zones for more informa tion SR Displays unit serial number VER Displays software version LST DD130 series model Sets the Locators start up mode On The Locator starts in the last mode of operation used Off The Locat...

Страница 22: ...1 1 Replace or Recharge the batteries when the battery status indicator is empty 2 Press the release button to unlock the Battery Hatch Remove the battery holder from the Locator 3 Replace all batteries with six new LR6 AA type alkaline batteries or remove and recharge the battery pack if rechargeable batteries are fitted 3 3 Hazard Zone Provides an additional warning to the close proximity of bur...

Страница 23: ...arch process Power mode This mode is used to detect electrical cables Power mode is dependent on an electrical current flowing through a cable Keep in mind that not all electrical cables carry a detectable signal and thus pose a serious risk for example supplies to unilluminated street lights unoccupied buildings or bal anced three phase cables Radio mode This mode is used to detect metallic pipes...

Страница 24: ...nde Used in conjunction with a sonde To trace the route of a pipe or duct including non metallic variants To locate a blockage or collapse To make a depth measurement Keep in mind that various sondes are avail able for specific task based applications Sondes with higher frequencies are used for generic pipe or duct tracing Lower frequencies 512 Hz 640 Hz work best for metal pipes Press the Functio...

Страница 25: ... LED indicators c Low Battery LED indicator d Connection Mode LED indica tor e Frequency key and LED indica tors f Mute key 4 2 Turning On Turning Off Press the Power key to turn the transmitter on or off 13193_001 Transmitter keyboard Turning on and off the transmitter Operation of the Transmitter 25 ...

Страница 26: ... highest peak reading on the locate scale Remains at the peak position for a short period of time before falling back Numeric Peak Indicator 5 0 0 Increases when approaching a utility or sonde and decreases when moving away Provides the highest peak reading when directly over the utility or sonde Decreases when moving away from the utility Can be used to distinguish between utilities when a signal...

Страница 27: ... are at a minimum 16775_001 3 When the signal strength indicators are at a minimum the blade of the locator is in line with the utility and indicates its direction 16776_001 4 Trace the route of the utility by repeating the following process Pinpoint the utility Determine the direction of the utility Follow the direction of the utility 16778_001 4 4 5 3 How to Conduct a Sweep Search Before the swe...

Страница 28: ...ng is found when the locator is positioned directly over a utility and at 90 to it Mark the position of a utility with marker paint pegs flags or something similar Never drive pegs into the ground over the utility Activate the Hazard Zone alert to indicate the presence of buried utilities which may be close to the surface 0016794_001 5 Set the locator to Radio mode and repeat the sweep search proc...

Страница 29: ...id airborne signals Reposition the Transmitter if necessary Coupling efficiency is best at 33 kHz The signal can also apply itself to other utilities within close proximity to the transmitter depending on their depth and direction To increase the battery life and to reduce the possibility that the sig nal is applied to adjacent utilities reduce the signal output The Numeric Peak Indicator can be u...

Страница 30: ...to Conduct a Sweep Search Trace a utility as required Refer to 5 2 How to Trace a Utility Maintain a distance of 10 m 33 ft from the transmitter to avoid airborne signals and a decline in the search process Reposition the transmitter if required 0016798_001 5 4 2 Induction Mode Nulling Out Method Use the Nulling Out method to confirm that the locator and transmitter are on the same utility or to i...

Страница 31: ...ocess search the work area to identify previously hid den utilities Pinpoint and trace utilities until you are satisfied that the area has been adequately tested 0016800_001 5 4 3 Induction Mode Parallel Sweep Method Use the Parallel Sweep method to cover a large area or to verify the presence of utilities before using the standard process for induction mode Two people are required for this proces...

Страница 32: ...ace a Utility 500 0016802_001 4 Turn through 90 and repeat the proc ess 0016803_001 Pinpoint and trace utilities until you are satisfied that the area has been adequately tested 5 4 4 Induction Mode Radial Sweep Method Use the Radial Sweep method to discover utilities coming from a known point such as a telecommunications chamber Two people are required for this process one for operating the loca ...

Страница 33: ... 0016807_001 5 5 Using the Transmitter in Connection Mode 5 5 1 General Information Connection mode is the most efficient way to apply a signal to a utility The cable set of the transmitter or any of the available accessories are connected to the utility which is to be traced or identified Whenever possible use the transmitter in connection mode espe cially for taking a depth reading The Numeric P...

Страница 34: ... the ground at an angle of 45 degrees For best performance position the Earth pin and black cable at 90 degrees to the suspec ted direction of the utility 14343_001 3 Connect the red cable to the utility Never connect the red cable directly to an electrical cable Connecting the red cable to the metal framework of earth bonded electrical installations such as street lights pumps or motorised gate h...

Страница 35: ...n to the position where the Locate screen shows a peak reading Mark the position of a utility with marker paint pegs flags or something similar Never drive pegs into the ground over the utility To trace a specific utility use the pinpointing and tracing methods Refer to 5 1 How to Pinpoint a Utility and 5 2 How to Trace a Utility 500 0016811_001 Pinpoint and trace utilities until you are satisfied...

Страница 36: ... a utility c Connection terminals Used to connect to the signal transmitter d Frame Houses the flexible rod Can be used in both vertical as in illustration and horizontal orientation 5 6 2 Locating a Utility Using the Trace Rod 1 Insert the rod into the pipe until the desired length is in place 14356_001 2 Plug the transmitters cable set into the connection socket 14341_001 Description of componen...

Страница 37: ...mitter Ensure that the Connection Mode LED indicator is on and the battery level of the trans mitter is adequate 13279_001 6 Select the required frequency and power output To indicate that the tracing signal rea ches a good level the Power Output LED indicator and the audible tone change from pulsed to continuous 13280_001 7 Set the locator to the required Signal Transmitter frequency 0016797_001 ...

Страница 38: ...race rod Connect the black cable to the negative terminal 14359_001 4 Turn on the transmitter Ensure that the Connection Mode LED indicator is on and the battery level of the trans mitter is adequate 13279_001 5 Select the required frequency and power output To indicate that the tracing signal rea ches a good level the Power Output LED indicator and the audible tone change from pulsed to continuou...

Страница 39: ...tained This reading indicates the precise location of the sonde Pinpoint and trace the utility 0016814_001 5 7 How to Use the Transmitter Clamps 5 7 1 General Information A Transmitter Clamp provides a safe technique of applying a signal to utilities such as telecom cables electric cables etc It is connected to the Transmitter and then clipped around the utility Supply is not interrupted by the ap...

Страница 40: ...nal rea ches a good level the Power Output LED indicator and the audible tone change from pulsed to continuous 13280_001 5 Set the locator to the required Signal Transmitter frequency 0016797_001 6 Trace the route of the utility Refer to 5 2 How to Trace a Utility 0016815_001 5 8 How to Use the Property Plug Connector 5 8 1 General Information The Property Plug Connector provides a safe technique ...

Страница 41: ...n the transmitter Ensure that the battery level of the transmitter is adequate 13268_001 4 Select the required frequency and power output Ensure that the frequency out put of the transmitter is com parable to that of the property plug connector Check the type plate of the property plug con nector for the frequency rat ing To indicate that the tracing signal rea ches a good level the Power Output L...

Страница 42: ...er accessories this does not require a connection to the transmit ter The signal pattern transmitted from a sonde is different to that which is radi ated from a utility and requires tracing in its own unique method The sonde transmits a peak signal over its main body with a ghost signal at its front and back 45 450 500 45 45 450 45 0016816_001 The Locator features a Numeric Peak Indicator which is...

Страница 43: ...serving the display The signal strength indicator rises and falls as you pass over the ghost signal at the back of the sonde the peak signal over the sonde and the ghost signal at the front The Numeric Peak Indicator displays its highest value when detecting the peak signal 0016817_001 4 Retrace your steps and position the loca tor directly over the peak signal Move the locator left and right unti...

Страница 44: ...ht and take care not to move it 0016820_001 3 Press and release the Depth Estimation key 0016821_001 4 The Line Depth screen displays the measured depth DD130 series The measured current mA is subsequently displayed Lift the locator off the ground by approximately 15 cm 6 in and take a second depth read ing This depth reading should confirm the added height 0 50 0016822_001 5 The depth is calculat...

Страница 45: ...isplays the measured depth Lift the locator off the ground by approximately 15 cm 6 in and take a second depth read ing This depth reading should confirm the added height 0 85 0016826_001 5 The depth is calculated as distance to the sonde within the pipe or duct Take into account allowances for the diameter of the pipe or duct Note the difference between a and b a Actual depth of the utility b Dis...

Страница 46: ...ll to regis ter properly The signal received by the Locator is too large to regis ter properly Depth function not available The Locator is set to the wrong mode for a depth reading to be taken 6 4 Utility Current Measurement DD130 series only The Current measurement is measured in mA milliampere and is dis played with the utility line depth Refer to 6 1 Utility Line Depth Current measurement to id...

Страница 47: ... highest current reading mA Unlike the Numeric Peak reading the current reading is not effected by changing depth levels 36 74 18 36 74 18 0016949_001 Identifying the utility layout and condition The signal current applied by the transmitter decreases at a uniform rate as it travels along the utility This can help to identify the utility layout and condi tion A sudden reduction in current may indi...

Страница 48: ...20 360 340 330 110 0016950_001 48 Estimating Depth and Current of a Utility ...

Страница 49: ...rtment also serves as cover for the USB port To maintain environmental protection open the cover only in dry conditions Always close the cover of the battery compartment after use 1 Unscrew the fastener of the cover 14472_001 2 Lift the cover of the battery compart ment to access the USB port For guidance on establishing a connection follow the instruc tions on the external device or software Refe...

Страница 50: ...n the battery status indicator is empty 2 Press the release button to unlock the Battery Hatch Remove the bat tery holder from the Locator 3 Replace all batteries with six new LR6 AA type alkaline batteries or remove and recharge the battery pack if rechargeable batteries are fit ted 8 2 Charging the Li Ion Battery Pack If the battery pack of the signal transmitter is low and needs to be recharged...

Страница 51: ...ource The small LED next to the charge jack flashes to indicate that the battery pack is charg ing When the battery pack is fully charged the LED is on solid 14480_001 12 24 V 100 240 V 5 When the battery pack is fully charged disconnect the charger and reinsert the battery pack into the battery compart ment 14476_001 6 Close the cover of the battery compart ment and tighten the fastener 14473_001...

Страница 52: ...he battery once the temperature is too high For new batteries or batteries that have been stored for a long time three months it is effectual to make only one charge discharge cycle For Li Ion batteries a single discharging and charging cycle is sufficient We recommend carrying out the process when the battery capacity indicated on the charger or on a Leica Geosystems product deviates significantl...

Страница 53: ...o Visual display test Upon depressing the trigger the Locator should test the display and speakers by illuminating each segment in the bar display the mode and function indica tors and depth display the battery indicator light will illuminate throughout the display test All LCDs must be operative and an audible output must be heard 3 Battery Functional self check If there is no response when the t...

Страница 54: ... is vital to check the status of the unit its bat teries and its basic functionality To achieve this carry out the following proce dure For this procedure the cable set of the transmitter and a fully charged battery pack are required 1 Inspect the general condition of the transmitter The casing should be free of significant damage The cable set should be free of damage to the cable insulation and ...

Страница 55: ... Mode failed The respective Frequency LED indi cator lights up If the Connection Mode failed The Connection Mode LED indica tor and the respective Frequency LED indicator light up If the performance check fails ensure that the cable set of the transmitter is fully engaged and the clips are connected If the performance check fails the transmitter automatically repeats it Repeated failure indicates ...

Страница 56: ...eck If the LED indicator lights up faintly or if the sonde does not transmit a signal the batteries are probably low Replace the batteries if nec essary The purpose of the following procedure is to verify the performance of the sonde For this procedure the following system components are required A locator to detect the signal of the sonde A work area free of utilities as illustrated 2 m 6 56 ft 5...

Страница 57: ... If for any of these tests no output or a significantly different output is displayed return the sonde for service Functional Checks 57 ...

Страница 58: ...for information about temperature limits Long term battery storage is not recommended If storage is necessary Refer to Technical Data for information about storage temperature range Remove batteries from the product and the charger before storing After storage recharge batteries before using Protect batteries from damp and wetness Wet or damp batteries must be dried before storing or use A storage...

Страница 59: ...sion frequencies 131 072 131 kHz 32 768 33 kHz 8 192 8 kHz 512 Hz DA230 series models 640 Hz DA230 series models Display panel LED Indicators Battery low indicator Connection mode Frequency indicator Power Output indicator Keypad 4 membrane push buttons Audio 85 dBA 30 cm Induction mode Pulsed output with a differing rate for each frequency Connection mode Low No output pulsed output differing rat...

Страница 60: ... Lithium Ion Charger Type Li Ion battery charger Li Ion battery charger Input voltage 100 V AC 240 V AC 50 Hz 60 Hz 12 V DC Output voltage 12 V DC 12 V DC Output current 3 0 A 5 0 A Polarity Shaft negative Tip positive Shaft negative Tip positive Description D Series Lithium Ion Battery pack Type Li Ion battery pack Input voltage 12 V DC Input current 2 5 A Charge time 5 hours maximum at 20 C 11 3...

Страница 61: ...ach mode 8 kHz and 33 kHz mode All tones are differ ent Pulsed tone different pitch for each mode 512 Hz and 640 Hz mode Pulsed tone different pitch for each mode All tones are different Battery type 6 LR6 AA alkaline Typical operating time 15 hours constant use at 20 C 68 F Dimensions 85 x 250 x 760 mm 3 4 x 10 x 30 inches Weight incl batteries 2 7 kg with batteries Temperature Operating 20 C to ...

Страница 62: ...mum Reel length dependant Operating transmission frequencies Dependent on transmitter Dimensions 440 x 210 x 490 mm 17 3 x 8 3 x 19 3 inches Weight 50 m 4 kg 8 8 lbs 80 m 4 7 kg 10 4 lbs 440 mm 17 3 Inches 210 mm 8 3 Inches 490 mm 19 3 Inches 016454_001 11 5 Property Plug Connector Technical Data Mode Output Operating transmission frequencies 32 768 33 kHz Dimensions Conductive rod Dimensions Prop...

Страница 63: ...st water dust and sand IP54 IEC 60529 Dust protected Humidity 95 RH non condensing The effects of condensation are to be effec tively counteracted by periodically drying out the product Dimensions 100 x 80 mm 3 9 x 3 1 inches Weight 0 15 kg 0 3 lbs 100 mm 3 9 Inches 80 mm 3 1 Inches Dimensions Technical Data 63 ...

Страница 64: ... 240 V 60 Hz 115 230 V 60 Hz 110 220 V 60 Hz 110 220 V 60 Hz 220 V 50 Hz 110 127 V 50 Hz 120 V 60 Hz 120 V 60 Hz 120 V 60 Hz 115 230 V 60 Hz 120 V 60 Hz South America Argentina Bolivia Brazil Chile Colombia Ecuador French Guiana Guyana Paraguay Peru Surinam Uruguay Venezuela 230 V 50 Hz 110 V 50 Hz 110 127 220 V 60 Hz 220 V 50 Hz 110 220 V 60 Hz 110 220 V 60 Hz 220 V 50 Hz 110 240 V 60 Hz 220 V 60...

Страница 65: ...itzerland Ukraine United Kingdom 230 V 50 Hz 230 V 50 Hz 230 V 50 Hz 230 V 50 Hz 230 V 50 Hz 240 V 50 Hz 230 V 50 Hz 230 V 50 Hz 230 V 50 Hz 230 V 50 Hz 230 V 50 Hz 230 V 50 Hz 230 V 50 Hz 230 V 50 Hz 230 V 50 Hz 230 V 50 Hz 230 V 50 Hz 230 V 50 Hz 230 V 50 Hz 230 V 50 Hz 230 V 50 Hz 230 V 50 Hz 230 V 50 Hz 230 V 50 Hz 230 V 50 Hz 230 V 50 Hz 230 V 50 Hz 230 V 50 Hz 230 V 50 Hz 230 V 50 Hz 230 V 5...

Страница 66: ...220 V 50 Hz 220 V 50 Hz 220 V 50 Hz 220 V 50 Hz 220 V 50 Hz 220 V 50 Hz 127 220 V 50 Hz 220 V 50 Hz 220 V 50 Hz 220 V 50 Hz 220 V 50 Hz 220 V 50 Hz 220 V 50 Hz 220 V 50 Hz 230 V 50 Hz 240 V 50 Hz 220 V 50 Hz 240 V 50 Hz 220 240 V 50 Hz 120 V 60 Hz 115 220 V 50 Hz 230 V 50 Hz 220 V 50 Hz 220 V 50 Hz 230 V 50 Hz 127 220 V 50 Hz 220 V 50 Hz 220 V 50 Hz 220 V 50 Hz 230 V 50 Hz 220 V 50 Hz 110 V 50 Hz ...

Страница 67: ... 50 Hz 220 V 50 Hz 220 V 50 Hz 220 V 50 Hz 110 230 V 50 Hz 60 Hz 230 V 50 Hz 240 V 50 Hz 220 V 50 Hz 220 V 50 Hz 220 V 50 Hz 220 V 50 Hz 230 250 V 50 Hz 60 Hz 127 220 V 50 Hz 220 V 50 Hz 220 V 50 Hz 230 V 50 Hz 110 220 V 50 Hz 60 Hz 220 V 50 Hz 220 V 50 Hz 220 V 50 Hz 220 V 50 Hz 110 220 V 60 Hz 240 V 50 Hz 220 V 50 Hz 110 220 V 50 Hz 240 V 50 Hz 240 V 50 Hz 240 V 50 Hz 230 V 50 Hz 110 220 V 60 Hz...

Страница 68: ...systems AG Heinrich Wild Strasse CH 9435 Heerbrugg Switzerland Phone 41 71 727 31 31 www leica geosystems com 873882 1 0 0en Original text Published in Switzerland 2018 Leica Geosystems AG Heerbrugg Switzerland ...

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