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ENGLISH

TECHNICAL DATA

Dust and Water resistance

IP54

Receiving Lens

14 mm

Focus

35 mm

Maximum Measuring Range

50 meters (Tolerance : 55m)

Minimum  Measuring Range

0.05 meters

Absolute Accuracy  @ < 10m

± 1.5 mm (Max)

Repeatability Accuracy @ < 10m

± 1.5 mm (Max Typical, 2σ)

Repeatability Accuracy @ > 10m

Increase ± 0.25 mm / meter (Max Typical, 2σ) 

Measurement Time

0.5 s

Display Type

LCD ( 22.7 mm x 31 mm )

Power Type

AAA 2x (Alkaline Battery)

Battery Life

10000 (Single Measure)

Laser Output Power

0.6 mW ~ 0.95 mW (Class 2, 650nm )

Laser Spot Size

25 x 30 mm @ 16 m (Max)

Laser Radiation Vertical Angle

+1 degree 

Laser Radiation Horizontal Angle

±1 degree

Device auto off time

180 seconds 

Laser auto off time

30 seconds

Operating Temperature Range

-10°C  to +50°C

Storage Temperature Range

-25°C to +70°C

Weight without Battery

80 g

SPECIFIED CONDITIONS OF USE

The laser distance measurer can be used for measuring distances and tilts.
Do not use this product in any other way as stated for normal use.

ERROR CODE TABLE

Code

Description

Solution

Err01

Out of measuring range

Measure in a proper range

Err02

Refl ect signal is too weak

Choose a better surface

Err03

Out of display range (max value: 

99.999) e.g. result of area or volume 

is out of display range

Check and verify values and steps 

are correct

Err04

Pythagorean calculation error

Check and verify values and steps 

are correct

Err05

Battery is low

Install new batteries

Err06

Out of working temperature

Measure in an environment with the 

specifi ed working temperature

Err07

Ambient light is too strong

Measure in a darker place (shadow 

target)

Summary of Contents for LDM50

Page 1: ...before use Always store the laser distance measurer indoors avoid exposing the tool to shock continuous vibration or extreme temperatures Always keep the tool away from dust liquids and high humidity...

Page 2: ...s Operating Temperature Range 10 C to 50 C Storage Temperature Range 25 C to 70 C Weight without Battery 80 g SPECIFIED CONDITIONS OF USE The laser distance measurer can be used for measuring distance...

Page 3: ...oras 1 push 1x Pythagoras 2 push 2x Pythagoras 3 push 3x MEMORY Timer 3 15 sec push 1x Memory 1 20 push 1x 2 sec Read memory push repeated CHANGE POINT OF MEASURE Front Back Standard automatical Corne...

Page 4: ...4 1 2 3 1 3 2 2x AAA click ENGLISH ENGLISH CHANGE BATTERIES CORNER PIN Change batteries when battery symbol is ashing BELT CLIP...

Page 5: ...5 90 90 90 ENGLISH FUNCTION SWITCH MEASURING REFERENCE PYTHAGORAS Area Starting Point of Measure Pythagoras 1 Front Back Standard automatical Corner Pin Pythagoras 2 Pythagoras 3 Volume Wall Distance...

Page 6: ...6 0 1 2 3 4 5 1 3 5 ENGLISH SINGLE DISTANCE MEASURING...

Page 7: ...7 0 1 2 3 4 2 sec Stop MIN MAX MIN MAX MAX 2 sec 90 2 ENGLISH PERMANENT MINIMUM MAXIMUM MEASURING...

Page 8: ...8 0 1 2 3 1 3 1 000 m 1x 2x ENGLISH ADD SUBTRACT MEASURING...

Page 9: ...9 1 2 1 x 0 1 2 ENGLISH AREA MEASURING...

Page 10: ...10 1 3 2 2 x 0 1 2 3 ENGLISH VOLUME MEASURING...

Page 11: ...11 0 1 2 2 1 90 1 x ENGLISH INDIRECT MEASURING PYTHAGORAS 1...

Page 12: ...12 0 1 2 3 2 x 90 1 3 2 ENGLISH INDIRECT MEASURING PYTHAGORAS 2...

Page 13: ...13 1 2 3 4 1 2 3 90 3 x ENGLISH INDIRECT MEASURING PYTHAGORAS 3...

Page 14: ...14 0 1 2 3 3 x 4 5 1 2 3 4 5 ENGLISH WALL AREA MEASURING SCENARIO 1...

Page 15: ...15 0 1 2 3 4 x 4 5 3 4 5 1 2 ENGLISH WALL AREA MEASURING SCENARIO 2...

Page 16: ...button Push button The seconds are counted down until the measurement starts At 0 the measurement starts The measured values are stored continuously and automatically in memory The stored values can b...

Page 17: ...Level the device and push button Lasericon ashes ashing green illustrated Icon is displayed Icon appears Measured parameter ashes ashing green illustrated Measured value appears brie y in the main li...

Page 18: ...repaeted 7 Exit memory Push button 8 Switch off Push button 2 sec Memory must be exited before Stored values appears in the main line Associated icon appears and measured parameter ashes ashing green...

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