PREXISO LASER DISTANCE METER
Operating Instruction
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Operating instructions
English
Possible units:
Distance
0.000 m
0.00 ft
0' 0''
1
/
8
0.0 in
Area
0.000 m²
0.00 ft²
0.00 ft²
0.00 ft²
Volume
0.000 m³
0.00 ft³
0.00 ft³
0.00 ft³
You will find the safety instructions in the enclosed brochure. Read these operating instructions and the safety instructions carefully prior to starting up for the first time.
Overview
Instrument
Refer to drawing {A}
1. Laser aperture
2. Receiver lens
3. Display
4. +/-, units
5. Clear / Off
6. Area / room volume, reference
7. On / measure
Display
Refer to drawing {B}
1. Laser on
2. Reference (front / rear)
3. Area / volume
4. Summary row (for current measurement)
5. Information
6. Units with exponents
7. Second row (e.g. intermediate values)
8. Hardware error
9. Battery symbol
Start up
Fitting/replacing battery
Refer to drawing {C}
• Remove battery compartment cover.
• Insert battery, pay attention to correct polarity.
• Close the battery compartment.
• Replace battery when this symbol flashes continuously.
• Only use alkaline batteries.
Remove batteries prior to an extended period without use due to risk of corrosion.
Setting measurement units
Hold down until the required unit appears.
Operation
Switching on/off
Instrument is switched on.
The battery symbol is displayed until a key is pressed.
Holding down this key switches the instrument off.
The instrument also automatically switches itself off after 90 seconds if a key is not pressed.
Clear key
The last action is cancelled
Setting reference
Refer to drawing {D}
Default reference setting is the rear of the instrument. Refer to drawing {E}.
Hold down : the next measurement is triggered from the front edge. Refer to drawing {F}.
Holding down again changes the reference to the rear of the instrument again.
Measuring
Single distance measurement
Laser is activated for aiming, a second key press triggers the distance measurement.
The result is indicated immediately.
Continuous measurement
Refer to drawing {H}.
This functions enables distances to be staked out.
Hold down started.
Press is stopped.
: continuous measurement is
briefly: continuous measurement
The value last measured appears in the summary row.
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Functions
Adding / subtracting
Measures distance.
Press once. Next measurement is added to the previous measurement.
Press twice. Next measurement is subtracted from the previous measurement.
Repeat this procedure for as many times as required. The result is indicated in the summary row, the previous value in the second row.
Area
Refer to drawing {G}
Press the display.
once. The symbol
Press length).
appears in
and measure first distance (e.g.
Press
(e.g. width).
and measure second distance
The result is displayed in the summary row.
Room volume
Press the display.
twice. The symbol
Press length).
appears in
and measure first distance (e.g.
Press
(e.g. width).
and measure second distance
Press height).
and measure third distance (e.g.
The result is displayed in the summary row.
Display messages
Cause Correction
252 Temperature too high
253 Temperature too low
255 Received signal too weak, time for measurement too long.
256 Received signal too strong
Let instrument cool down.
Warm up instrument
Use a target plate
Use a target plate
257 Faulty measurement, too much background light
Use a target plate
258 Measurement outside measurement range
Cause
260 Laser beam was interrupted
Error Cause
Hardware error
Correction
Repeat measurement
Correction
If this message is still displayed after switching the instrument off and on several times, please contact dealer.
Technical data
Range (for larger distances, use a target plate)
Measuring accuracy (2 σ)
Smallest unit displayed
Laser class
Laser type
Autom. power off
Continuous measurement
Addition/subtraction
0.10 m to 40 m
0.33 ft to 131 ft typically:
± 3.0 mm*/± 0.12 in*
1 mm
II
635 nm, < 1 mW after 90 s
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Dimension (H x D x W)
Battery life
(9V compound battery)
Weight
Temperature range:
- storage
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120 x 59 x 32 mm up to 3000 measurements
155 g
- operation
-25 °C to 70 °C
(13 °F to 158 °F)
0 °C to 40 °C
(32 °F to 104 °F)
* In favourable conditions (good target surface, room temperature) up to 12 m. In unfavourable conditions, such as bright sunlight, very weakly reflecting target surface or large temperature fluctuations, the error for distances greater than 12 m can increase to around
± 0.25 mm/m.
Measuring conditions
Target surfaces
Measuring errors can occur against colourless liquids (e.g. water), dust-free glass, polystyrene or similar semi-transparent surfaces, as well as in the case of strongly reflecting targets that deflect the laser beam.
In case of targets that reflect very strongly, the laser beam may be deflected and measuring errors may occur.
Dark surfaces or surface that do not reflect may increase the time for a measurement.
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Care
Clean with a damp, soft cloth. Never immerse the instrument in water. Never use aggressive cleaning agents or solvents.
Warranty
The PREXISO has a two-year warranty.
You can obtain more information from your dealer.
Subject to change (drawings, descriptions and technical data).
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Prexiso AG
Europastrasse 27
CH-8152 Glattbrugg
www.prexiso.com
759102
