ADA INSTRUMENTS PROF X2 Manuale utente

MEASUREMENT FOUNDATION

Manufacturer: ADAINSTRUMENTS Address:WWW.ADAINSTRUMENTS.COM

Operating manual

Optical theodolite

Model

:PROF X2

Contents

ENG

1. Review . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2. Technical parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

3. Complete set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

4. Construction features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

5. How to use the instrument . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

6. Adjusting the instrument . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

7. Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

8. Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

9. Exceptions From Responsibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

10. Attachement 1- “Certificate of acceptance and sale”

11. Attachement 2- “Warranty card”

PROF X2

MEASUREMENT FOUNDATION

1. REVIEW

2. TECHNICAL PARAMETERS

Telescope:

- Image formation positive

- Magnification 30х

- Effective aperture of lens 40 mm

- Angle of visual field 1° 30'

- Shortest visual range 2m

- Stadia multiplication constant 100

- Stadia addition constant 0

- Length 172 mm

Spirit level:

- Tubular level of the alidade 30” / 2 mm

- Circular level 8' / 2 mm

Prof X2 are optical theodolites of medium precision. These instruments are easy to use.

Theodolites Prof X2 are used in national defence construction, geodesy and project surveying. They are mainly used in

the mapping of vast scale relief-maps and doing survey. It is also suitable for use in general project surveying like municipal

construction, communication facilities in mines, etc.

Theodolites can be equipped with various kinds of accessories to meet needs of all sorts of surveying work:

With tripods:

- ADA Strong, FS 23, M1Y.

- ADA Strongwood, FS 24 (SJJS50).

With staff:

- ADA Staff 3, 4, 5.

With pole.

PROF X2

MEASUREMENT FOUNDATION

∞

3. COMPLETE SET

Theodolite with removable tribrach, case, lens protector from sunlight, plummet, pin, screwdriver, brush, cleaning flannel-cloth, desiccant, rain cover.Graduated circle and tape measure:

- Graduation diameter of horizontal circle 94mm- Graduation interval (H) 1°- Graduation diameter of vertical circle 76 mm- Graduation interval (V) 1° - Graduation interval of microscope scale 1' - Magnification of the horizontal system 68x- Magnification of the vertical system 65.4xStandard error of angle measurement with one taking:

- horizontal Prof X2 2” /10” - vertical Prof X2 2” /10” Compensator for vertical circle index:

- working range +/- 2'Optical plummet:

- magnification 2,5х- angle of visual field 5°- range of focusing 0.7 m - Weight and dimensions of the instrument:

- height 207 mm- net weight 4.3 kg- weight of packing case 3.5 kg

PROF X2

MEASUREMENT FOUNDATION

Fig.1 Optical scheme of theodolite

PROF X2

Theodolite with removable tribrach, case, lens protector from sunlight, plummet, pin, screwdriver, brush, cleaning flannel-cloth, desiccant, rain cover.- Graduation diameter of horizontal circle 94mm- Graduation interval (H) 1°- Graduation diameter of vertical circle 76 mm- Graduation interval (V) 1° - Graduation interval of microscope scale 1' - Magnification of the horizontal system 68x- Magnification of the vertical system 65.4x- horizontal Prof X2 2” /10” - vertical Prof X2 2” /10” - working range +/- 2'- magnification 2,5х- angle of visual field 5°- range of focusing 0.7 m - - height 207 mm- net weight 4.3 kg- weight of packing case 3.5 kg

MEASUREMENT FOUNDATION

1.The structure of the instrument is compact and ingenious. It affords easy portability and direct, rapid reading. The newest

form of construction at present is adopted in its designing, and it is stable and reliable.

2.This theodolite is equipped with automatic compensator of vertical circle index with V-shape long pendulum, which gives a

good performance in resisting high-frequency vibrations. This not only promotes surveying precision, but also, makes the

operation easy. It simplifies manipulation procedures, and raises working efficiency.

Fig.2 Photograph of the theodolite

4. CONSTRUCTION FEATURES

1.Optical aimer

2.Focussing sleeve of telescope

3.Reading eyepiece

4.Telescope eyepiece

5.Circle-setting knob

6.Сlamping screw of tribrach

7.Foot screw

8.Tribrach

9.Vertical compensator clamp

10.Micrometer knob

11.Change-over knob

12.Plate level

13.Adjusting screw for plate level

12 11

PROF X2

MEASUREMENT FOUNDATION

Fig.3 Photograph of the theodolite

3.The color visual field makes reading soft and smoothing to the eye.

4.The large aperture and the high magnifying power of the telescope lens ensure the possibility of getting a sharp image quality

even under relatively poor lighting conditions.

5.Loosen the screw that fastens tribrach and the upper part of the instrument can be dismounted from it to allow the mounting

of accessories.

Theodolite is equipped with optical plummet (5), which enables users to center the instrument over the point.

13.Telescope lens

14.Cover plate for index error

15.Eyepiece of optical plummet

16.Circular level

17.Vertical drive

18.Horizontal drive

19.Illuminating mirror for horizontal circle

20.Illuminating mirror for vertical circle

21.Knobs fix the position of axis

PROF X2

TION

MEASUREMENT FOUNDATION

5. HOW TO USE THE INSTRUMENT

1. Positioning the tripod.

Place the tripod over the measuring point and set the three legs almost equidistant to it. The place of mounting should be as

level as possible. Turn the wing clamps on the legs clockwise. It will enable them to be properly extended. The pointed shoes on

the tips of the legs should pierce the surface of the ground somewhat so that the tripod is surely erected and reliable as

surveying work is being performed on it.

2. Mounting the instrument on the tripod.

Place the instrument carefully on the tripod and tighten the central screw properly.

3. Adjusting the level of the instrument.

Use the circular level and foot screws of tribrach to roughly adjust the level of the instrument and then use the tubular one to do

precision levelling.

Levelling with circular level: Turn the screws 1 and 2, as shown in figure 4A, so that the bubble moves to the central line of

the circular level, and then turn the screw 3, as shown in figure 4B, so that the bubble is exactly in the center of the level.

Fig.4A Fig.4B

PROF X2

MEASUREMENT FOUNDATION

Levelling with the tubular level: Turn the alidade of theodolite first in order to make the tubular level parallel to the line

connecting the centers of any two foot screws (Fig. 5A), and at the same time, turn the two foot screws to enable the bubble to

position itself in the middle of the tubular level. Then turn the alidade 90° (Fig. 5B) and also turn the third foot screw to make the

bubble move to the middle of the level. Repeat the above described procedure several times so that the offset of the bubble

doesn't exceed the allowance for whatever position the alidade is turned.

4. Mounting the instrument properly over the measuring point.

Use an optical plummet to enable the center of the vertical axis of the theodolite to be directly over the plummet line of measuring

point. When the optical plummet is used, pull out its visual lens and turn it so that the measuring point is distinctly imaged on the

graduated plate. If the center of the measuring point is not in the center of the graduated plate, loosen the central screw of the

tripod. Then tighten the central screw of the tripod, and check the levelling of the instrument. Turn the alidade 180° and repeat

the above described procedure.

5. Illumination

Turning the position of the light reflection mirror (11) properly will result in a bright illumination of the graduated circle.

Fig.5A Fig.5B

PROF X2

MEASUREMENT FOUNDATION

6. Angle measurement

1. Turn the telescope to the given point. Use the rough optical sighting device to aim at the

object.

Then rotate the eyepiece in the counter-clockwise direction until the clear image of reticule.

Turn the focussing sleeve of the telescope so that the object will be clearly imaged on the

graduated plate.

2. Fix the position of telescope with the help of horizontal and vertical (21) clamps.

Turn both horizontal and vertical micrometer screws (17 and 18) so that the telescope is

precisely aimed at the target to be measured. At this moment, move the eye left and right,

and then up and down. In doing so, no relative displacement should be detected between

the target image and the graduation marks on the graduated plate. This means that no

parallax exist.

7. Graduated circle reading.

After illuminating the graduated circle, adjust the reading eyepiece (4) so that the reading visual

field, as shown in Fig.6, can be seen distinctly. The symbols H and V indicate the readings of the

horizontal and the vertical circles respectively. There are 60 graduations to every division (1') on

the tape and so estimation readings up to 0,1. And the reading error 0,05-0,1 of the graduated

circle corresponds to 3"-6" angular sec. The system of readings of vertical angles starts from

the horizon 90°. Before making the reading on the vertical circle, it is necessary to turn the locking

knob (10) of the automatic compensator to enable the compensator index mechanism to be in a

free state. At this moment very distinct sound is audible. And only then you can take the readings

of the vertical circle.

Рис.6А Рис.6B

Рис.7А Рис.7B

PROF X2

Indice

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