Related Manuals for CEM LDM-40
Summary of Contents for CEM LDM-40
- Page 1 Laser Distance Meter Model: LDM-40 User Manual Please read this manual before switching the unit on. Please read this manual before switching the unit on. Important safety information inside. Important safety information inside.
- Page 2 Laser Distance Meter User Manual...
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Page 3: Table Of Contents
Laser Distance Meter User Manual Content ..........4 Safety Instruction ..............6 Start-Up ........8 Initial Operation and Setting ............10 Measuring ............11 Functions ............15 Technical Data ..17 Troubleshooting-Causes and Corrective Measures ..........18 Measuring Conditions ............19 Labelling The compact and handy base model was specifically designed for indoor applications. Shortcut and Soft grip keys for addition, subtraction, area and volume calculation make measuring fast and very reliable. -
Page 4: Safety Instruction
• Opening of the equipment by using tools (screwdrivers, etc.), as far as not specifically permitted for certain cases • Carrying out modification or conversion of the product • Use of accessories from other manufacturers without the express approval of CEM Technology. • Deliberate or irresponsible behavior on scaffolding, when using ladders, when measuring near machines which are running, or near parts of machines or installations which are unprotected •... - Page 5 Laser Distance Meter User Manual Laser Classification The CEM produced a visible laser beam which emerges from the front of the instrument. Laser Class 2 products: Do not stare into the laser beam or direct it towards other people unnecessarily. Eye protection is normally afforded ‘s...
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Page 6: Start-Up
Laser Distance Meter User Manual 2 Start-Up Inserting/Replacing Batteries See “Figure A”) 1) Remove battery compartment lid. 2) Insert batteries, observing correct polarity. 3) Close the battery compartment again. • Replace the batteries when the symbol “ “ flashes permanently •... - Page 7 Laser Distance Meter User Manual LCD Display ( See figure C “ ”) 5 6 7 1- Laser active 2- Reference level (front) 3- Reference level (rear) 4- Variable measuring functions Area measurement Volume measurement Indirect measurement Indirect (second) measurement 5- Single distance measurement 6- Battery status 7- Historical memory...
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Page 8: Initial Operation And Setting
Laser Distance Meter User Manual . 3 Initial Operation and Setting Switching On and Off Switches on the instrument and laser. Press this button longer to switch off the instrument. The instrument switches off automatically after three minutes of inactivity. Clear Button The last action is cancelled or the data display is cleared. - Page 9 Laser Distance Meter User Manual Display Illumination Click illumination /UNITS button of the display can be switched on or off, user can trigger the function when he/she is in darkness situation. The value is clear visible on the LCD Distance Unit Setting For Instrument Click the button longer to change the next type of unit, m, ft.
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Page 10: Measuring
Laser Distance Meter User Manual . 4 Measuring Single Distance Measurement Press to activate the laser. Press again to trigger the distance measurement. The measured value is displayed immediately. Continuous Measurement (Tracking) & Max and Min Measurement (See “Figure E”) The continuous measurement function (tracking) is used for the transferring of measurements, e.g., from construction plans. -
Page 11: Functions
Laser Distance Meter User Manual . 5 Functions Addition / Subtraction Distance measuring. The next measurement is added to the previous one The next measurement is subtracted from the previous one The last step is cancelled. Return to the single distance measurement Area Measurement Press the Area/Volume button. - Page 12 Laser Distance Meter User Manual Volume Measurement For volume measurements, push Area/Volume button twice until the indicator for volume measurement appears in the display. Afterwards, press to takes first distance measurement (e.g. length) press to takes second distance measurement(e.g. width) The result of the area measurement from the values already measured is displayed in the summary line.
- Page 13 Laser Distance Meter User Manual Indirect Measurement Indirect measurement - determining a distance using 2 auxiliary measurements . (See ”Figure G”). e.g. when measuring heights that require the measurement of two or three measurements as following step: Press this button once, the display shows.
- Page 14 Laser Distance Meter User Manual Indirect Measurement - Determining a Distance Using 3 Measurements (See”Figure H”) Press this button twice; the display shows the symbol. The distance to be measured flashes in the symbol. Aim at the lower point (1) and trigger the measurement. After the first measurement the value is adopted.
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Page 15: Technical Data
Laser Distance Meter User Manual 6.Technical Data Technical Specifications Range 0.05 to 40m *(0.15 ft to 131ft*) Measuring accuracy up to 10m Typically: ±1.5 mm* σ (2 , standard deviation) (± 0.06 in ) Measuring units m,in,ft Laser Class Class II Laser Type 635 nm, <1mW Area, Volume Calculations... - Page 16 Laser Distance Meter User Manual Keyboard Type Super Soft-Touch (Long life) Operating Temperature 0°C to 40°C(32°F to 104°F) Storage Temperature -10°C to 60°C(14°F to 140°F) Battery Life up to 4,000 measurements Batteries Type AAA 2 x 1.5V Auto. laser switch-off after 0.5 min Auto instrument switch-off after 3 min...
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Page 17: Troubleshooting-Causes And Corrective Measures
Laser Distance Meter User Manual 7.Troubleshooting – Causes and Corrective Measures Cause Code Corrective measure Calculation error Repeat procedure Received signal too weak, Use target plate measurement time too long. Distance >50m Received signal too strong Target too reflective(use target plate) Temperature too high Cool down instrument Temperature too low... -
Page 18: Measuring Conditions
Laser Distance Meter User Manual 8.Measuring Sonditions Measuring Range The range is limited to At night or dusk and if the target is in shadow the measuring range without target plate is increased. Use a target plate to increase the measurement range during daylight or if the target has poor reflection properties. Target Surfaces Measuring errors can occur when measuring toward colorless liquids (e.g. -
Page 19: Labelling
Laser Distance Meter User Manual . 9 Labelling Type:LDM-100 by CEM www.cem-meter.com.cn... - Page 20 Laser Distance Meter User Manual Rev.111125...
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