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EN
TECHNICAL SPECIFICATIONS
Model No.
Measurement range *
Measuring Accuracy **
Laser type
Laser class
Single-mode measurement
Continuous-mode
measurement
Area measurement
Area measurement (double)
Volume measurement
Single pythagorean
measurement
Addition and subtraction
function
Bubble level
Laser point
Memory capacity (values)
Operating temperature
Storage temperature
Laser auto switch off
Instrument auto switch off
Battery
Weight (Without Batteries)
Dimensions
* Maximum deviation error or shorter range can
occur when laser exposed to bright sunlight, opera-
ted across very rough or minimal reflective surface,
or used during extreme temperature conditions.
** When measuring within 10 m, measurement ac-
curacy is ± 1.5 mm; more than 10 m, measurement
accuracy is calculated as follows: ±1,5 mm± 0.05*
(D-10) (D: Measuring Distance, Unit: m).
DESCRIPTION
The numbers in the text refer to the diagrams on
page 2-4.
6
LD502DC
LD503DC
0.05m-40m
0.05m-60m
± 1.5mm
620 ~ 690 nm
II (<mW) acc.
To EN60825-1: 2014;
m, ft, in
m, ft, in
m², ft², in²
(automatic calculation)
m², ft², in²
(automatic calculation)
m³, ft³, in³
(automatic calculation)
Yes
Yes
Yes
Yes
20
0~40 °C
5~30 °C
Yes, after 15s
Yes, after 30s
2x 1.5V type LR03 AAA
(alkaline)
108 g
119 x 52 x 26 mm
Fig. A
1. Display
2. Switch on / measure button
3. Function
4. Measurement reference (measurement from
the back or the front of the device)
5. Addition
6. Subtraction
7. Selection of the measurement unit
8. Clear / switch off button
9. Bubble level
10. Laser beam outlet
11. Reception lens
Fig. B
12. Battery cover
3. ASSEMBLY
Inserting / Replacing the Batteries (Fig. B)
1. Remove the battery compartment cover (12).
2. lnsert batteries with correct polarity according
to indications.
3. Close the battery compartment cover (12).
4. OPERATION
WARNING! Danger of injury due to defective
components! The product must only be put
into operation if no defects are found. Ensu-
re that any defective parts are replaced
before the product is used again.
Check the device:
• Make sure all parts are fitted on the machine
firmly.
• Check whether there are any visible defects:
broken parts, cracks, etc.
Switch on and off (Fig. A)
Press the measure button (2) to switch on the
device. Device will always start in the default
reference setting of single measurement mode.
Hold down the switch off button (8) to switch off
the equipment.
Automatically switch off
The laser will be switched off automatically after 15
seconds and the device will be powered off after
30 seconds of inactivity.
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