1. Introducció
The Parkside Metrolaser Digital Laser Distance Measurer (Model Plem 20 B5) is a portable, precise instrument designed for quick and accurate distance measurements up to 20 meters. Utilizing advanced laser technology, this device simplifies various measurement tasks in construction, interior design, and DIY projects. Its compact design and user-friendly interface make it an essential tool for professionals and hobbyists alike.
This manual provides detailed instructions on how to set up, operate, and maintain your laser distance measurer to ensure optimal performance and longevity.

Imatge 1.1: Frontal view of the Parkside Metrolaser Digital Laser Distance Measurer, showing its display and control buttons.
2. Contingut del paquet
Si us plau, comproveu el contingut del paquet en desembalar-lo per assegurar-vos que hi hagi tots els components:
- 1 x Parkside Metrolaser Digital Laser Distance Measurer (Plem 20 B5)
- 2 piles alcalines AAA d'1.5 V
- 1 x Manual d'instruccions (aquest document)
3. Característiques del producte
The Parkside Metrolaser Plem 20 B5 offers a range of features designed for efficiency and accuracy:
- Two Measurement Modes: Supports individual measurement for single distance determination and continuous measurement for dynamic distance tracking.
- Ampli rang de mesura: Capable of measuring distances from 0.075 meters up to 20 meters.
- High Measurement Precision: Provides accurate readings with a precision of ± 2 mm.
- Dual Unit Display: Measurements can be displayed in both metric (meters) and imperial (feet/inches) units.
- Adjustable Measurement Reference: Option to include or exclude the device's own length from the measurement.
- LCD with Backlight: Clear display with backlight for visibility in various lighting conditions.
- Indicador d'estat de la bateria: Convenient display of current battery level.
- Apagat automàtic: Energy-saving feature that automatically turns off the device after a period of inactivity.
- Classe làser 2: Equipped with a safe and efficient Class 2 laser.
4. Configuració
4.1. Instal·lació de bateries
- Locate the battery compartment cover on the back or bottom of the device.
- Feu lliscar o desenganxeu la tapa per obrir el compartiment.
- Insert the two 1.5V AAA alkaline batteries, ensuring correct polarity (+/-) as indicated inside the compartment.
- Tanqueu bé la tapa del compartiment de la bateria.
4.2. Engegada inicial
Premeu el botó MEAS button once to turn on the device. The LCD will illuminate, and the device will be ready for measurement.
5. Instruccions de funcionament
5.1. Taking a Single Measurement
- Apunteu el feix làser a la superfície objectiu.
- Premeu el botó MEAS button once. The laser will activate, and the measured distance will appear on the display.

Image 5.1: A hand holding the Parkside Metrolaser, pointing its laser beam towards a wall to take a distance measurement.
5.2. Continuous Measurement (Tracking Mode)
- Manteniu premut el botó MEAS button for approximately 2 seconds. The device will enter continuous measurement mode.
- As you move the device, the displayed distance will update in real-time, showing the current distance to the target.
- Premeu el botó MEAS button again to exit continuous measurement mode and freeze the last reading.

Image 5.2: A hand using the Parkside Metrolaser to measure distance along a staircase railing, demonstrating its versatility in different environments.
5.3. Canvi d'unitats de mesura
Premeu el botó /UNITAT button to cycle through available measurement units (e.g., meters, feet, inches). The selected unit will be displayed on the screen.
5.4. Adjusting Measurement Reference
The device allows you to choose whether the measurement should start from the front or the rear of the device. Refer to the icon on the display to confirm the current reference point. Press and hold the /UNITAT button for a few seconds to toggle between the front and rear reference points.
5.5. Apagat
To manually turn off the device, press and hold the MEAS button for approximately 5 seconds. The device also features an automatic power-off function to conserve battery life if left inactive.
6. Informació de seguretat
Please read and adhere to the following safety guidelines to prevent injury and damage to the device:
- Seguretat làser: This device uses a Class 2 laser. Do not stare directly into the laser beam or point it at other people or animals. Avoid direct eye exposure.
- Entorn de funcionament: Use the device within the specified operating temperature range of 0°C to 40°C. Avoid extreme temperatures, humidity, or dusty environments.
- Resistència a l'aigua: The device is not waterproof. Do not expose it to water or other liquids.
- Seguretat de la bateria: Use only the specified battery type (AAA alkaline). Do not mix old and new batteries or different types of batteries. Dispose of used batteries responsibly.
- Manteniment: No intenteu desmuntar ni reparar el dispositiu vosaltres mateixos. Encarregueu tot el manteniment a personal qualificat.
- Nens: Mantingueu el dispositiu fora de l'abast dels nens.

Image 6.1: The Parkside Metrolaser standing upright, with its red laser beam visible, illustrating its operational state.
7. Manteniment
7.1. Neteja
Per netejar el dispositiu, utilitzeu un suau, damp cloth. Do not use abrasive cleaners, solvents, or harsh chemicals. Ensure the laser lens is kept clean and free of dust for accurate measurements.
7.2. Substitució de la bateria
When the battery indicator on the display shows low power, replace both AAA batteries promptly to ensure continued accurate operation. Follow the instructions in Section 4.1 for battery installation.
7.3. Emmagatzematge
When not in use for extended periods, remove the batteries to prevent leakage and store the device in a cool, dry place, away from direct sunlight and extreme temperatures.
8. Solució De Problemes
If you encounter issues with your Parkside Metrolaser, refer to the following common problems and solutions:
| Problema | Causa possible | Solució |
|---|---|---|
| El dispositiu no s’encén. | Les bateries estan esgotades o instal·lades incorrectament. | Check battery polarity or replace with new AAA alkaline batteries. |
| Mesures inexactes. | Laser lens is dirty; measurement surface is not reflective; device is outside operating temperature. | Clean the laser lens; ensure target surface is suitable; use device within 0°C to 40°C. |
| La pantalla està tènue o parpelleja. | Potència de bateria baixa. | Substituïu les piles. |
| El raig làser no és visible. | Device not powered on; very bright ambient light. | Ensure device is on; use in less bright conditions or closer to target. |
Si el problema persisteix després d'intentar aquestes solucions, poseu-vos en contacte amb l'atenció al client.
9. Especificacions
| Paràmetre | Valor |
|---|---|
| Número de model | Plem 20 B5 |
| Interval de mesura | 0.075 - 20 m |
| Mesura de precisió | ± 2 mm |
| Longitud d'ona làser | 620 - 690 nm |
| Color làser | Vermell |
| Classe làser | 2 |
| Temperatura de funcionament | 0 °C - 40 °C |
| Font d'alimentació | 2 piles alcalines AAA d'1.5 V |
| Material | Plàstic |
| Apagat automàtic | Sí |
10. Garantia i Suport
For information regarding warranty coverage, terms, and conditions, please refer to the documentation provided with your purchase or visit the official PARKSIDE weblloc web. Conserveu el comprovant de compra per a reclamacions de garantia.
If you require technical support, have questions about the product, or need assistance with troubleshooting beyond what is covered in this manual, please contact the manufacturer's customer service or the retailer from whom you purchased the device.





