General 24x Manuel utilisateur

24x

OPTICAL LEVEL

INSTRUCTION MANUAL

SAFETY

Read the following safety instructions before

attempting to operate this product.

Keep these instructions in a safe place or store

in the carry case for future reference.

SAVE ALL WARNINGS AND INSTRUCTIONS

FOR FUTURE REFERENCE.

WARNING: Read and understand all

instructions.

▪Use only accessories that are recommended

for your model.

▪Tool service must be performed only by

qualied repair personnel. Repairs, service

or maintenance performed by unqualied

personnel will void the warranty. Only approved

and authorised service technicians can carry

out warranty repairs.

▪Position the optical level securely on a level

surface. Damage or serious injury could result

if the optical level falls.

WARNING: DO NOT DISASSEMBLE

THE OPTICAL LEVEL. There are no user

serviceable parts inside. Disassembling the

optical level will void all warranties on the

product. Do not modify the product in any way.

Carry caseGeneral 24x

ITEM CHECKLIST

Please ensure the following items are included with your optical level.

If anything is missing please contact your retailer.

Plumb bob

OPTICAL LEVEL OVERVIEW (FRONT)

5/8” x 11 tripod thread

360° protractor

Levelling screw

Bubble vial

Bubble vial mirror

Optical view guide

Front lens element

Panning screw Panning screw

Levelling screw

Base plate

OPTICAL LEVEL OVERVIEW (SIDE)

Levelling screw

360° protractor

Optical view guide

Panning screw

Focusing knob

Eye piece

Levelling screw

Base plate

SET UP OPERATION

▪Stand the tripod (part sold separately) on

a level surface with legs spaced for stability.

▪ Thread the tripod yoke through the 58”

x 11 thread on the base of the instrument.

Screw into place until secure.

▪ Centre the bubble vial by turning the

levelling screws.

USING YOUR OPTICAL LEVEL

▪Point the instrument towards the desired

area.

▪Use a bright background or hold a white

sheet of paper in front of the area. Turn the

eyepiece until the cross hairs are a sharp

black.

▪Turn the level towards the staff using the

optical view guide.

▪Turn the panning screw to set the vertical

hair down the centre of the staff.

Measurement

▪Read the staff where it is cut by the middle

hair.

Distance measurement

▪Read the staff where it is cut by the upper

and lower hairs.

▪Calculate the distance between the upper

and lower hairs.

▪Multiply the figure by 100 to calculate the

distance between the instrument and the

staff.

Angle measurement

▪Point the instrument towards the first point.

▪Set the protractor base to 0°

▪Point the instrument towards the second

point.

▪The angle result will be in the protractor

reading.

Height measurement

▪Place the instrument onto a solid tripod

between two staves.

▪Level off the optical using the bubble vial.

▪Take an accurate measurement reading

from staff A. (Example. 1.924m). Take an

accurate measurement reading from staff B

(Example. 1.712m)

▪Subtract the measurement of staff B

from staff A. (Example. 1.924m – 1.712m =

0.212m). This calculation shows that staff B

is 0.212m higher than staff A.

1.712m

1.924m

0.212m

STAFF B

STAFF A

BUBBLE VIAL

▪Centre the bubble by adjusting the levelling

screws until level.

▪Turn the instrument 90° at a time and check

the position of the bubble inside the vial. If

the bubble moves out of the centre ring a

service and calibration is required.

CHECKING ACCURACY

▪Take an accurate measurement reading

from Staff A. (Example. 1.696m. Subtract the

height difference that was calculated in step

3 from the current measurement reading

(Example. 1.696m – 0.212m = 1.484m).

▪Take an accurate measurement reading

from staff B. The measurement reading for

staff B should be approximately 1.484m

based on the calculation above.

▪If the compensator accuracy is less

or greater than 3mm after following the

measurements and calculations shown in

these steps, a service and calibration is

required.

COMPENSATOR

▪Place the instrument onto a solid tripod

between two staves spaced 30m to 50m

apart.

▪Level off the optical using the bubble vial.

▪Take an accurate measurement reading

from staff A. (Example. 1.924m). Take an

accurate measurement reading from staff B

(Example. 1.712m)

▪Subtract the measurement of staff B

from staff A. (Example. 1.924m – 1.712m =

0.212m). This calculation shows that staff B

is 0.212m higher than staff A.

▪Position the instrument and tripod 1m from

Staff A while keeping it in between both Staff

A and Staff B.

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