Leica NA720 Bedienungsanleitung

User Manual

English

Version 1.0

LEICA NA720/NA724/NA728/NA730

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NA720/NA724/NA728/NA730-1.0.1en 2

This manual contains important safety directions

(refer to section

"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.

Congratulations on your purchase of a new Leica Geosystems

automatic level.

Auto atic level

NA720/NA724/NA728/NA730-1.0.1en 3

The type and the serial number of your instrument are 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 agency or service workshop.

Type: Serial no.:

Product identification

NA720/NA724/NA728/NA730-1.0.1en 4

The symbols used in this User Manual have the following

meanings:

DANGER:

Indicates an imminently hazardous situation which, if not

avoided, will result in death or serious injury.

WARNING:

Indicates a potentially hazardous situation or an

unintended 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 injury and / or appreciable material, financial and

environmental damage.

Important paragraphs which must be adhered to in practice

as they enable the product to be used in a technically

correct and efficient manner.

Sy bols used in this anual

NA720/NA724/NA728/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

NA720/NA724/NA728/NA730-1.0.1en 6

Contents

Introduction ................................................7

Special features .......................................... 7

Important parts ........................................... 8

Technical terms and abbreviations ............ 9

Measurement preparation ......................10

Unpacking ................................................. 10

Setting up the tripod ..................................11

Levelling up............................................... 12

Focusing telescope .................................. 13

Centring .................................................... 13

Selection of angle reading........................ 14

Measuring .................................................15

Height reading .......................................... 15

Distance measuring .................................. 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 of the line-of-sight 21

Care and Storage .....................................22

Transport................................................... 22

In the field ................................................ 22

Inside vehicle ........................................... 23

Shipping ................................................... 23

Storage ..................................................... 23

Cleaning .................................................... 24

Safety Directions .....................................25

Intended use of instrument....................... 25

Permitted uses ......................................... 25

Adverse uses ........................................... 25

Limits of use ............................................. 26

Responsibilities......................................... 27

Hazards of use ......................................... 28

Accessories.............................................. 32

Technical Data .........................................33

Index..........................................................34

Contents

NA720/NA724/NA728/NA730-1.0.1en Introduction

Introduction Special features

NA-01

The NA720/NA724/NA728/

NA730 is a member of a new

generation of construction

levels.

Its innovative technology makes

the daily surveying jobs easier.

The instrument 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 operation; quickly to

learn !

• Attractive design; low weight.

• Endless drive.

• Robust and reliable.

• Enables angle measurements

with horizontal circle

(choice of ° or gon).

• Resistant to water and dirt.

• Adaptable to all types of

tripods with 5/8" central fixing

screw.

NA720/NA724/NA728/NA730-1.0.1en Introduction

I portant parts

1 Endless drive (both sides)

2 Circular level

3 Knurled ring of adjustable

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 for angle

reading ( ° or gon)

10 Eyepiece

11 Level mirror for NA720/

NA724; Level prism for

NA728/NA730

8 7

1011

NA-02

NA720/NA724/NA728/NA730-1.0.1en Introduction

Technical ter s 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

RV/S

(∆H)

Plumb line

Vertical

axis tilt

Plumb line

Line-of-sight

NA720/NA724/NA728/NA730-1.0.1en Measure ent preparation

Gebrauchsanweisung

NA700kdkjodkolmdlkomömlkok

1 Level

2 User Manual

3 Allen key

4 Protective cover

Remove NA720/NA724/NA728/NA730 from the case and check for

completeness:

Unpacking

Measure ent preparation

NA-35

Andere Handbücher für NA720

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