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NA720/NA724/NA728/NA730-1.0.1en

Introduction

9

Technical terms and abbreviations

Backsight/Foresight/
Intermediate sight
For determining the height
difference (

∆

H) between the

ground points A and B the back
sight (R) is measured first
followed by the 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 vertical axis tilt).

Compensator

The compensator in the
instrument is responsible for
compensating the vertical axis
tilt enabling an exactly horizontal
aiming.

NA-05

NA--06

NA-04

A

B

R

V/S

(

∆

H)

Plumb line

Vertical
axis tilt

Plumb line

Line-of-sight

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Содержание NA720

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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