Leica NA720 User Manual Download Page 36

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Leica Geosystems AG, Heerbrugg,

Switzerland, has been certified as

being equipped with a quality

system which meets the Internatio-

nal Standards of Quality Manage-

ment and Quality Systems (ISO

standard 9001) and Environmental

Management Systems (ISO

standard 14001).

Total Quality Management-

Our commitment to total customer

satisfaction.

Ask your local Leica Geosystems

agent for more information about

our TQM program.

Printed in Switzerland - Copyright Leica
Geosystems AG, Heerbrugg,
Switzerland 2000
Translation of original text (712354-1.0.1de)

712355-1.0.1en

Summary of Contents for NA720

Page 1: ...User Manual English Version 1 0 LEICA NA720 NA724 NA728 NA730...

Page 2: ...ection Safety directions as well as instructions for setting up the instrument and operating it Please read this User Manual carefully to achieve maximum efficiency from your Instrument Congratulation...

Page 3: ...indicated on the label on the bottom of the base plate Write the type and serial number of your instrument in the space provided below and always quote this information when you need to contact your...

Page 4: ...nintended use which if not avoided could result in death or serious injury CAUTION Indicates a potentially hazardous situation or an unintended use which if not avoided may result in minor or moderate...

Page 5: ...8 NA730 1 0 1en 5 Introduction 7 Measurement preparation 10 Measuring 15 Checking and adjusting 20 Care and Storage 22 Safety Directions 25 Accessories 32 Technical Data 33 Index 34 View of chapters V...

Page 6: ...asuring 16 Angle measuring 16 Line levelling 17 Area levelling 18 Levelling total station measuring 19 Levelled stakeout 19 Checking and adjusting 20 Tripod 20 Circular level 20 Checking and adjusting...

Page 7: ...nt is ideally suited for all applications of a reliable and robust construction level The easy operation of the instrument functions can be quickly learned even by inexperienced surveyors Easy operati...

Page 8: ...djustable horizontal circle 4 Footscrew 5 Base plate 6 Objective 7 Coarse aiming device back fore sight for NA720 NA724 optical sight with point marking for NA728 NA730 8 Focusing knob 9 Cover glass f...

Page 9: ...forward sight V Additional points relating to A are measured as intermediate sight S Plumb line By centring the circular level the instrument is nearly levelled up A small instrument tilt remains the...

Page 10: ...ent preparation 10 Gebrauchsanweisung NA 700 kdkjodkolm dlkom mlkok 1 Level 2 User Manual 3 Allen key 4 Protective cover Remove NA720 NA724 NA728 NA730 from the case and check for completeness Unpacki...

Page 11: ...gs pull out to required length and tighten screws 2 In order to guarantee a firm foothold sufficiently press the tripod legs into the ground When pressing the legs into the ground note that the force...

Page 12: ...ew of tripod 2 Turn footscrews of tribrach into its centre position 3 Centre circular level by turning the foot screws Centring the circular level 1 Turn foot screws A and B simultaneously in opposite...

Page 13: ...g the coarse aiming device 4 Turn focusing knob until image of staff is sharply focused If the eye is moved up and down behind the eyepiece the image of the staff and the reticle may not be displaced...

Page 14: ...surement preparation 14 0 Degree 350 10 0 Gon 390 10 Selection of angle reading NA 42 Changing between and gon 1 Loosen screws with Allen key and remove cover glass 2 Turn cover glass 3 Insert cover g...

Page 15: ...affected Keep clean all optical parts of your instrument and follow the cleaning instructions specified in the User Manual 1 Setup instrument level and sharp focus the reticule 2 Setup level staff ve...

Page 16: ...m Distance measuring The NA720 NA724 NA728 NA730 is equipped with a horizontal circle The graduation is 1 or 1 gon Wanted Angle between point A and point B Angle measuring Carry out steps 1 to 6 accor...

Page 17: ...f and take down height backsight R 4 Setup level at the changepoint 2 aim on staff and read off and take down height foresight V 5 Setup level at I2 aim on staff at the changepoint 2 and read backsigh...

Page 18: ...asured intermediate point 2 Set up staff vertically at reference point A 3 Aim on staff and read and take down height backsight to known point 4 Set up staff vertically at point 1 5 Aim on staff and r...

Page 19: ...d the Hz angle 2 Transfer measured value into the map points are determined by position and height Levelled stakeout The stakeout is the counterpart to the levelling total station measuring map points...

Page 20: ...1 Circular level Connection of individual elements must always be tight 1 Tighten the Allen screws 2 moderately if available 2 Tighten the articulated joints on the tripod head 1 just enough to keep t...

Page 21: ...ss it down and centre the bubble 4 Read both staffs reading on A 1 832 m reading on B 1 616 m H A B 0 216 m 5 Set up the level about 1 m from staff A 6 Read staff A eg 1 604 m 7 Find nominal reading B...

Page 22: ...rage or transport of your instrument always check the field adjustment parameters indicated in this manual before using the instrument Care and Storage Transport In the field When transporting the equ...

Page 23: ...properly secured Storage When storing the equipment particularly in summer and inside a vehicle take the temperature limits into account 40 C to 70 C 40 F to 158 F Inside vehicle Shipping For shippin...

Page 24: ...sary moisten the cloth with pure alcohol Storage continued If the instrument becomes wet leave it unpacked Wipe down clean and dry the instrument at not more than 40 C 104 F transport case foam insert...

Page 25: ...intended to the following applications Line and area levellings Height readings Construction surveying Optical distance measuring with stadia readings Angle measurements and staking out with horizont...

Page 26: ...or use in an atmosphere appropriate for permanent human habitation not suitable for use in aggressi ve or explosive environments Use in rain is permissible for longer periods water proof Refer to sect...

Page 27: ...are also responsible for the effectiveness of those safety concepts in combination with the Leica Geosystems product Responsibilities of the person in charge of the instrument WARNING The person respo...

Page 28: ...ive or if it has been dropped or has been misused or modified Precautions Periodically carry out test measurements and perform the field adjustments indicated in the User Manual particularly after the...

Page 29: ...ate securing of the surveying site can lead to dangerous situations for example in traffic on building sites and at industrial installations Precautions Always ensure that the surveying site is adequa...

Page 30: ...staff staff brace are correctly adapted fitted secured and locked in position Avoid subjecting the equipment to mechanical shock Never position the instrument on the tripod baseplate without securely...

Page 31: ...equipment irresponsibly you may enable unauthorized persons to use it in contravention of the regulations exposing themselves and third parties to the risk of severe injury and rendering the environm...

Page 32: ...NA720 NA724 NA728 NA730 1 0 1en 32 Accessories User Manual Protective cover Allen key Level base Standard level staff Tripod NA 41 Accessories...

Page 33: ...F bis 158 F Operating 20 C bis 50 C 4 F bis 122 F Technical Data type NA720 NA724 NA728 NA730 Accuracy Standard deviation for 1 km double levelling 2 5 mm 2 mm 1 5 mm 1 2 mm Height accuracy for a sing...

Page 34: ...ntral fixing screw 12 Centring 13 Circular level 12 15 20 Cleaning 24 Compensator 9 D Distance line 16 E Electrical installations 28 Environment 26 Eyepiece 13 F Focusing 13 H Height difference 9 17 1...

Page 35: ...R Rearrangement point 17 Reticule 13 15 S Safe distance 28 Sharp focus 15 Shipping 22 23 Stakeout 19 Storage 22 24 Storing 23 T Target distances 17 Total station measuring 19 Transport 22 Transport c...

Page 36: ...y Systems ISO standard 9001 and Environmental Management Systems ISO standard 14001 Total Quality Management Our commitment to total customer satisfaction Ask your local Leica Geosystems agent for mor...

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