Safety Instructions
[info] Do not use the product before studying the User Manual. If the manual is unavailable or in the wrong language, contact your agency. The product is intended for skilled persons only.
[caution] Use of controls or performance of procedures other than those specified herein may result in hazardous radiation exposure.
[warning] This is a Class 2 laser product in accordance with IEC 60825-1:2014.
LASER RADIATION: DO NOT STARE INTO BEAM. KEEP OUT OF REACH OF CHILDREN. <1.0mW @ 620-690nm. Complies with relevant standards.
[warning] Do not attempt to modify this laser device; this may result in dangerous laser radiation exposure. Do not operate the tool outdoors.
[warning] Do not attempt to repair or disassemble the laser-measuring tool. Serious injury may occur. Repairs must be performed only by qualified service personnel.
[warning] Do not stare into the laser beam or direct it towards other people unnecessarily. Do not dazzle other individuals. Looking directly into the beam with optical aids can be hazardous.
[warning] Do not operate the product in explosion hazardous areas or in aggressive environments.
[warning] Only use chargers recommended by the manufacturer. Improper charging may damage the built-in Li-ion battery, cause device failure, and increase the risk of fire.
[warning] Keep extremities in a safe distance from moving parts.
[warning] Watch out for erroneous measurements if the product is defective, dropped, misused, or modified. Carry out periodic test measurements.
[warning] The product and batteries must not be disposed of with household waste.
Instrument Set-up
Overview
The safety instructions and user manual should be read carefully before first use. The person responsible for the product must ensure all users understand and adhere to these directions.
Display
The display shows measurement results, battery status, and unit settings. Key indicators include: Main line for primary measurement, Area/Volume display, Measuring Reference indicator, Pythagoras (2-Point/3-Point) indicator, Battery indicator, and Units indicator.
Diagram showing the PREXISO P30B-3LI device with labels pointing to the display elements: Display, On/Measure/Continuous Measuring button, Units/Measuring Reference button, Area/Volume/Pythagoras buttons.
Charge the device
Open the cap and insert the USB recharging cable with a Micro-USB port. Recharge the device when the battery symbol shows empty.
Diagram showing the Micro-USB port on the device and a USB cable being connected.
Operations
Switching ON/OFF
Press the "LASER ON" button to turn the device ON. The device is turned OFF. If no key is pressed for 120 seconds, the device switches off automatically.
Diagram sequence illustrating device power states: pressing the LASER ON button for ON, pressing for 5 seconds for OFF, and an automatic OFF indicator.
Unit Setting
Press the "UNITS" button for 3 seconds to switch between units: 0.000 m, 0'00" 1/16, 0 1/16 in, 0.00 ft.
Diagram showing the UNITS button being pressed for 3 seconds, with a display indicating unit selection.
Change the measurement reference
The system default measurement reference point is the bottom of the device. Press the "UNITS" button to change the reference to the top of the device for measurement.
Diagram sequence showing the device's default bottom reference point and the process of changing to the top reference point by pressing the UNITS button.
Measuring Functions
Measuring single distance
Steps: 1. Press LASER ON. 2. Aim the active laser at the target. 3. Press LASER ON again to measure. The display shows the measurement (e.g., 29.998 m).
[info] Target surfaces: Measuring errors can occur when measuring to colourless liquids, glass, styrofoam, or semi-permeable surfaces, or when aiming at high gloss surfaces. Against dark surfaces, the measuring time increases.
Diagram sequence showing steps for single distance measurement: 1. Press LASER ON. 2. Aim laser at target. 3. Press LASER ON again to measure, displaying the result (e.g., 29.998 m).
Continuous measuring
Steps: 1. Press LASER ON for 3 seconds. 2. Aim the active laser at the target. The last measured value is displayed (e.g., 29.998 m). 3. Press LASER ON to stop continuous measuring.
Diagram sequence for continuous measuring: 1. Press LASER ON for 3 seconds. 2. Aim laser at target. Display shows continuously updating measurement (e.g., 29.998 m). 3. Press LASER ON to stop.
Area
Steps: 1. Aim laser at the first target point. 2. Aim laser at the second target point. The result (e.g., 39.998 m²) is shown in the main line and the measured distance above.
Diagram sequence showing aiming at two points to calculate area.
Volume
Steps: 1. Aim laser at the first target point. 2. Aim laser at the second target point. 3. Aim laser at the third target point. The result (e.g., 49.998 m³) is shown in the main line and the measured distance above.
Diagram sequence showing aiming at three points to calculate volume.
Pythagoras (2-point)
Steps: 1. Aim laser at the first target point. 2. Aim laser at the second target point (forming a 90° angle). The result (e.g., 19.998 m) is shown in the main line and the measured distance above.
Diagram sequence showing aiming at two points to calculate distance using the 2-point Pythagoras theorem, forming a right angle.
Pythagoras (3-point)
Steps: 1. Aim laser at the first target point. 2. Aim laser at the second target point (perpendicular to the measuring surface). 3. Aim laser at the third target point (forming a 90° angle). The result (e.g., 29.998 m) is shown in the main line and the measured distance above.
Diagram sequence showing aiming at three points to calculate distance using the 3-point Pythagoras theorem.
Technical Data
General
| Range with favourable conditions * | 0.35 - 30 m (1.15-100 ft) |
| Accuracy with favourable conditions * | ± 3 mm (±1/8 in) |
| Smallest unit displayed | 1 mm (1/16 in) |
| Laser class | 2 |
| Laser type | 620-690 nm, < 1 mW |
| Power OFF automatically | After 120 s |
| Continuous measuring | Yes |
Dimensions
2.72 x 0.79 x 1.30 in (69 x 20 x 33 mm)
Battery service life
Approx. 3-5 h in measuring operation
Weight
37 g (0.082 lb)
Temperature range
- Storage: -10 to 60 °C (14 to 140 °F)
- Operation: 0 to 40 °C (32 to 104 °F)
* Favourable conditions are: white and diffuse reflecting target (white painted wall), low background illumination, and moderate temperatures.
** Tolerances apply with a confidence level of 95%.
The typical measurement uncertainty of ±3mm is valid for measurements on white, diffusive, reflective targets up to 10m at low ambient light and moderate temperatures. For distances greater than 10m, the measurement uncertainty could increase additionally by 0.1mm/m. In unfavourable conditions (such as bright sunlight, targets with poor reflectivity, or high or low temperatures) the measurement uncertainty could further increase up to ±4mm for distances below 10m and additionally by roughly 0.15mm/m for distances greater than 10m.
Troubleshooting
| ISSUE | CAUSE | ACTION |
|---|---|---|
| Failure to switch on | Hardware protection after shocking | Restart the device |
| Low battery | Recharge the device | |
| Insufficient On/Measure/Units button press | Press the On/Measure/Units button firmly | |
| All dashes shows on display | Beam is moved too fast | Move the measuring tool slowly |
| The object is out of rated range | Measure within rated range | |
| Received signal too weak / Measuring time too long | Change target surface (e.g. white paper) | |
| Received signal too strong (target is too reflective) | Change target surface (e.g. white paper) | |
| Ambient light is too strong | Shadow target area |
Care
Clean the device with a damp, soft cloth.
Never immerse the device in water.
Never use aggressive cleaning agents or solvents.
Disposal
[caution] The battery must not be disposed of with household waste. Care for the environment and take them to the collection points provided in accordance with national or local regulations. The product must not be disposed of with household waste. Dispose of the product appropriately in accordance with the national regulations in force in your country. Adhere to the national and country specific regulations. Product specific treatment and waste management can be downloaded from our homepage.
[lithium-battery] Lithium battery symbol.
Warranty
The PREXISO P30B-3LI has a two-year warranty. For further information, contact your dealer.
This warranty is void if the product is used for commercial purposes. This warranty is not transferable and does not cover products damaged by misuse, neglect, accident, alterations, or use and maintenance other than that specified in the owner's manual. This warranty does not apply to any expendable parts that can wear from normal use. This warranty excludes any accessories.
Safety Instructions
Symbols used
[warning] Indicates a potentially hazardous situation or an unintended use which, if not avoided, will result in death or serious injury.
[caution] Indicates a potentially hazardous situation or an unintended use which, if not avoided, may result in minor injury and/or appreciable material, financial, and environmental damage.
[info] Important paragraphs which must be adhered to in practice as they enable the product to be used in a technically correct and efficient manner.
Permitted use
- Measuring distances
Prohibited use
- Using the product without instruction
- Using outside the stated limits
- Deactivation of safety systems and removal of explanatory and hazard labels
- Opening of the equipment by using tools (screwdrivers, etc.)
- Carrying out modification or conversion of the product
- Use of accessories from other manufacturers without express approval
- Deliberate dazzling of third parties; also in the dark
- Inadequate safeguards at the surveying site (e.g., when measuring on roads, construction sites, etc.)
- Deliberate or irresponsible behaviour on scaffolding, when using ladders, when measuring near machines which are running or near parts of machines or installations which are unprotected
- Aiming directly in the sun
Hazards in use
[warning] Watch out for erroneous measurements if the instrument is defective or if it has been dropped or has been misused or modified. Carry out periodic test measurements, particularly after the instrument has been subject to abnormal use, and before, during, and after important measurements.
[caution] Never attempt to repair the product yourself. In case of damage, contact a local dealer.
[warning] Changes or modifications not expressly approved could void the user's authority to operate the equipment.
Limits of use
[info] Refer to section "Technical data". The device is designed for use in areas normally habitable by humans. Do not use the product in explosion hazardous areas or in aggressive environments.
Areas of responsibility
Responsibilities of the person in charge of the instrument:
- To understand the safety instructions on the product and the instructions in the User Manual.
- To be familiar with local safety regulations relating to accident prevention.
- Always prevent access to the product by unauthorized personnel.
Electromagnetic Compatibility (EMC)
[warning] The device conforms to the most stringent requirements of the relevant standards and regulations. However, the possibility of causing interference in other devices cannot be totally excluded.
FCC statement (applicable in U.S.)
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
Laser classification
The device produces visible laser beams, which are emitted from the instrument. It is a Class 2 laser product in accordance with: IEC60825-1:2014 "Radiation safety of laser products".
Laser Class 2 products: Do not stare into the laser beam or direct it towards other people unnecessarily. Eye protection is normally afforded by aversion responses including the blink reflex.
[warning] Looking directly into the beam with optical aids (e.g., binoculars, telescopes) can be hazardous.
[caution] Looking into the laser beam may be hazardous to the eyes.
Wavelength: 620 - 690 nm. Pulse duration: > 600ps. Maximum radiant output power for classification: < 1 mW. Pulse repetition frequency: 320 MHz. Beam divergence: 0.16mrad x 0.6mrad.
