PCE Instruments PCE-LDM 45 User manual

© PCE Instruments
Laser Distance Meter PCE-LDM 45
User Manual
User manuals in various languages (français,
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Last change: 11 October 2018
v1.0
English

© PCE Instruments
Contents
1Safety notes........................................................................................... 1
2Delivery contents..................................................................................1
3Basic functions and features...............................................................2
4Technical specifications ...................................................................... 2
5Meter description..................................................................................3
5.1 LCD.................................................................................................................................. 3
5.2 Keys................................................................................................................................. 4
6Start-up .................................................................................................. 4
6.1 Inserting the batteries....................................................................................................... 4
7Equipment Operation............................................................................ 5
7.1 Switch on and off.............................................................................................................. 5
7.2 Change Measurement Reference..................................................................................... 5
7.3 Clear Button..................................................................................................................... 5
7.4 Unit Conversion................................................................................................................ 5
8Measurement.........................................................................................6
8.1 Single measurement mode............................................................................................... 6
8.2 Continuous measurement mode....................................................................................... 6
9Functions............................................................................................... 7
9.1 Addition and Subtraction Functions.................................................................................. 7
9.2 Storage and Recall of Measurements............................................................................... 8
10 Troubleshooting....................................................................................8
11 Warranty................................................................................................. 9
12 Disposal ................................................................................................. 9

© PCE Instruments
1
1 Safety notes
Please read this manual carefully and completely before you use the device for the first time. The
device may only be used by qualified personnel and repaired by PCE Instruments personnel.
Damage or injuries caused by non-observance of the manual are excluded from our liability and
not covered by our warranty.
•The devicemust only beusedas described in this instruction manual. If used otherwise,
this can cause dangerous situations for the user and damage to the meter.
•The instrument may only be used if the environmental conditions (temperature, relative
humidity, …) are within the ranges stated in the technical specifications. Do not expose
the device to extreme temperatures, direct sunlight, extreme humidity or moisture.
•Do not immerse the PCE-LDM 45 in water.
•Do not expose the device to shocks or strong vibrations.
•The case should only be opened by qualified PCE Instruments personnel.
•Never use the instrument when your hands are wet.
•You must not make any technical changes to the device.
•The appliance should only be cleaned with a damp cloth. Use only pH-neutral cleaner,
no abrasives or solvents.
•Do not use alcohol or any other organic solvent for cleaning the lens.
•Do not touch the lens and avoid contact with rough material.
•The device must only be used with accessories from PCE Instruments or equivalent.
•Before each use, inspect the case for visible damage. If any damage is visible, do not
use the device.
•Do not use the instrument in explosive atmospheres.
•The measurement range as stated in the specifications must not be exceeded under
any circumstances.
•The PCE-LDM 45 is a class II laser product. Do not stare into beam at any time when
operating this product, even with optical aids like a binocular or telescope.
•Do not remove any safety labels on this product.
•Observe the specified DC voltage.
•Non-observance of the safety notes can cause damage to the device and injuries to
the user.
We do not assume liability for printing errors or any other mistakes in this manual.
We expressly point to our general guarantee terms which can be found in our general terms of
business.
If you have any questions please contact PCE Instruments. The contact details can be found at
the end of this manual.
2 Delivery contents
1 x distance meter PCE-LDM 45
2 x AAA 1.5 V battery
1 x user manual

© PCE Instruments
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3 Basic functions and features
- Single Measurement
- Max. / Min. Measurement
- Continuous Measurement
- Area / Volume / Pythagoras
- Unit Setting
- Reference Setting
- Bubble level
- Buzzer Indicator
- Historical Data Records: up to 20 (19 in memory + current value)
- Battery Indicator
- Laser Auto Switch off: 30 s
- Instrument Auto Switch off: 180 s
4 Technical specifications
Distance measuring range
0.05 ... 40 m / 0.7 ... 55.8 ft
Measurement accuracy
<10 m: ± 2 mm
> 10 m ± 2 mm + 0.05* (measuring distance -
10)
Resolution
1 mm
Units
m, inch, ft, m², ft²
Measurement functions
Single measurement
Max / Min Function
Continuous measurement
Area calculation
Volume calculation
Pythagoras function
Laser class
Class II; <1 mW, 620 ... 690 nm
Measuring time single measurement
0.25 seconds
Power supply
2 x 1.5V AAA battery
Battery life
> 5000 individual measurements
Dimensions (L x W x H)
110 x 40 x 25 mm / 4.3 x 1.6 x 1 in
Weight
76 g / < 1 lb without batteries
Environmental conditions
0 ... 40°C / 32 ... 104°F
Storage conditions
-20 ... 65°C / -4 ... 149°F
Automatic shutdown laser
30 seconds
Automatic shutdown laser distance meter
180 seconds

© PCE Instruments
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5 Meter description
5.1 LCD
1 Laser “on”
7
8 Unit
9
2 Reference
3 Area / volume
4 Pythagoras function
10 Current reading
5 Hardware error
11 Intermediate value
12 Intermediate value
6 Battery status

© PCE Instruments
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5.2 Keys
Key
Function
On/Measuring
Measurement Reference
Plus//Minus/Recall Data Records
Clear/Off
Functions
6 Start-up
6.1 Inserting the batteries
a. According to figures, remove battery compartment cover.
b. Insert batteries with correct polarity according to battery cover indications.
c. Close the battery compartment cover.
Notes:
1. Please do not mix new and old batteries, use alkaline batteries or rechargeable batteries only.
2. Please replace batteries when the symbol flashes permanently in the display.
3. Please remove the batteries before any long period of non-use.

© PCE Instruments
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7 Equipment Operation
7.1 Switch on and off
Push the On/Measuring button to switch on the equipment. The PCE-LDM 45 will show its start
display as shown in the figure below. The unit of measurement last set is taken over.
The laser will be switched off automatically after 30 seconds and the equipment will be powered
off after 3 minutes of inactivity (“Auto Off” function). Push and hold the Clear/Off button to switch
off the equipment.
7.2 Change Measurement Reference
Default setting of measurement reference is rear edge. Push the Measurement Reference button
to change the measurement reference to front edge.
7.3 Clear Button
Push the Clear/Off button to clear the last command or displayed data.
7.4 Unit Conversion
Push and hold the Functions button to switch the unit of measurement. Available units: m, ft and
in.

© PCE Instruments
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8 Measurement
8.1 Single measurement mode
When the equipment is switched on, pushing the On/Measuring button will activate (or deactivate)
the laser and aiming the laser onto the target and pushing the same button again will make a
single measurement. The result will be displayed immediately as shown in the figure below.
8.2 Continuous measurement mode
When the equipment is switched on, pushing and holding the On/Measuring button will aktivate
continuous measurements.
MIN: MINIMUM VALUE
MAX: MAXIMUM VALUE
The current measurement value is displayed in the bottom line of the LCD as shown in the figure
below.

© PCE Instruments
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9 Functions
Area
Volume
Pythagorean theorem
Push the Functions button to change the measurement function, see figure above. Select your
desired function by pressing the button multiple times and start the measurement.
Measurement function
Icon
Area Measurement
Volume Measurement
Pythagorean Theorem
9.1 Addition and Subtraction Functions
+ The current measurement result is added to the previous one
- The current measurement result is subtracted from the previous one, see the following figure

© PCE Instruments
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Key sequence
Addition
Subtraction
On/Measuring
Turn on laser
On/Measuring
Turn on laser
On/Measuring
Measurement
On/Measuring
Measurement
Plus//Minus
Plus//Minus
On/Measuring
Turn on laser
Plus//Minus
On/Measuring
Measurement
On/Measuring
Turn on laser
Plus//Minus
On/Measuring
Measurement
On/Measuring
Turn on laser
Plus//Minus
On/Measuring
Measurement
Plus//Minus
Plus//Minus
On/Measuring
Turn on laser
On/Measuring
Measurement
Plus//Minus
Plus//Minus
9.2 Storage and Recall of Measurements
1) Measuring data will be stored automatically. Push and hold the Plus / /Minus / Recall Data
Records button for 3 seconds to get to the saved readings. The display will appear as in the
figure.
2) The number (up to 20) of saved readings is shown in the display.
3) Use the Plus / /Minus / Recall Data Records button to scroll through the saved readings.
10 Troubleshooting
Error code
Possible cause
Remedy
Err10
Battery too low
Change batteries
Err15
Out of range
Measure target within the
range
Err16
Received signal
too weak
Use light colour target;
Hold Quick Measure
more steady
Err18
Background
brightness too high
Use dark coloured target
Err26
Out of display