Manual d'usuari del sonòmetre digital Protmex PT6708

1. Introducció

This user manual provides detailed instructions for the operation and maintenance of the Protmex PT6708 Digital Sound Level Meter. This device is designed for accurate measurement of sound levels in various environments, offering a range of 30 to 130 decibels with high precision. Please read this manual thoroughly before using the device to ensure proper function and safety.

Protmex PT6708 Digital Sound Level Meter with included batteries

Image: The Protmex PT6708 Digital Sound Level Meter, shown with its protective foam cover over the microphone and two AAA batteries.

2. Producte acabatview

The PT6708 Sound Level Meter is a compact and reliable instrument for noise measurement.

2.1 Components i pantalla

Diagram of Protmex PT6708 Sound Level Meter with labeled parts

Image: A detailed diagram illustrating the various components of the PT6708 Sound Level Meter, including the sponge cover, LCD, ON-OFF button, data hold button, backlight button, up/down buttons, fast/slow speed button, max button, A/C mode switch, sensor, and battery compartment.

Sponge Cover: Protects the microphone from wind noise and dust.
Sensor: High-precision noise sensor for accurate sound detection.
Pantalla LCD: Large screen showing decibel readings, measurement modes, and battery status.
Botó ON-OFF: Encén o apaga el dispositiu.
Data Hold Button (H): Congela la mesura actual a la pantalla.
Botó de retroil·luminació: Activates or deactivates the display backlight for visibility in low light.
Botons amunt / avall: Used for adjusting settings or navigating menus (if applicable).
Fast/Slow Speed Button: Toggles between fast and slow response times.
Botó MAX: Displays the maximum sound level recorded during a measurement session.
A/C Mode Switch: Selects between A-weighting and C-weighting modes.
Loudness Unit (dB/SONE): Button to switch between decibel and SONE units.
Compartiment de la bateria: Located at the rear, holds the AAA batteries.

3. Característiques clau

Accurate and Sensitive Measurement: Utilizes a high-quality AD636 chip and an electric condenser microphone for precise sound level monitoring from 30 to 130 dB with an accuracy of +/-1.5 dB and 0.1 dB resolution.
Fast and Slow Response Rates:
- Fast Response (0.125s): Ideal for general environmental measurements and quickly changing noise levels.
- Slow Response (1s): Suitable for environmental measurements with relatively stable noise levels or for averaging fluctuating sounds.
A/C Weighting Network Selection:
- Ponderació A: Simulates human hearing characteristics, suitable for ambient noise detection.
- Ponderació C: Measures the actual sound level, suitable for sound pressure analysis of machine motors and mechanical noise.
Data Hold and MAX Functions: Allows freezing the current reading and displaying the maximum recorded value.
Pantalla LCD retroil·luminada: Ensures clear visibility of readings in various lighting conditions, with an auto power-off function for energy saving.
Disseny antilliscant: Composite material injection molding process with an anti-drop structure for durability and ease of handling.

Close-up of the sound level meter showing high precision noise sensor, backlit LCD, and anti-slip design

Image: Visual representation of the meter's high-precision noise sensor, the clarity of its backlit LCD display, and the ergonomic anti-slip design of its casing.

Diagram showing internal chip, microphone, and A/C weighting modes

Image: A composite image detailing the internal premium chip, the polarized capacitive microphone for excellent performance, the dynamic characteristics of sound pressure (Fast/Slow response times), and the A and C weighting mode selection for different types of noise measurement.

4. Configuració

4.1 Unpacking Contents

En obrir el paquet, comproveu que hi hagi tots els components:

Image: The complete package contents, including the product box, carrying case, the PT6708 sound level meter, user manual, and AAA batteries.

Protmex PT6708 Sound Level Meter
Bossa de transport
Manual d'usuari
AAA Batteries (4 included)

4.2 Instal·lació de la bateria

Localitzeu el compartiment de la bateria a la part posterior del dispositiu.
Use a small Phillips head screwdriver to loosen the screw securing the battery cover.
Traieu la tapa de la bateria.
Introduïu quatre (4) piles AAA, assegurant-vos de la polaritat correcta (+/-).
Torneu a col·locar la tapa de la bateria i premeu el cargol.

Nota: The device requires 4 AAA batteries. Ensure they are inserted correctly for proper operation.

5. Instruccions de funcionament

5.1 Encès/Apagat

Premeu el botó ON-OFF button (green power symbol) to turn the meter on. Press it again to turn the meter off.

5.2 Mesura bàsica

Once powered on, the meter will immediately begin displaying the current sound level in decibels (dB). Ensure the microphone is pointed towards the sound source.

Sound Level Index chart with decibel ranges

Image: A visual chart illustrating different sound level ranges in decibels (dB) and their corresponding descriptions, from silence (1-15dB) to hearing impairment (above 100dB).

5.3 Selecció de ponderació del aire condicionat

Premeu el botó A/C button to toggle between A-weighting and C-weighting modes. The selected mode will be indicated on the LCD.

A-Weighting Mode: Simulates the human ear's response to sound. Use this for general environmental noise measurements, such as in offices, residential areas, or for assessing noise exposure.
Image: A diagram illustrating A-weighting mode, which simulates the auditory characteristics of the human ear for environmental noise measurement.
C-Weighting Mode: Provides a flatter frequency response, measuring the actual sound level without mimicking human hearing. Use this for analyzing mechanical noise, motor sounds, or when assessing peak sound pressure levels.
Image: A diagram illustrating C-weighting mode, which measures the actual sound level, suitable for mechanical noise analysis.

5.4 Temps de resposta ràpid/lent

Premeu el botó RÀPID/LENT button to switch between fast and slow response times.

RÀPID: Responds quickly to changes in sound level (0.125 seconds). Useful for capturing transient noises or rapidly fluctuating sounds.
LENT: Provides a more stable reading by averaging the sound level over a longer period (1 second). Ideal for measuring average noise levels or sounds that are relatively constant.

5.5 Data Hold (H)

Premeu el botó H button to freeze the current reading on the display. Press it again to release the hold and resume live measurement.

5.6 Maximum (MAX) Measurement

Premeu el botó MAX button to display the maximum sound level recorded since the meter was powered on or since the MAX function was last reset. Press it again to exit MAX mode.

5.7 Llum de fons

Premeu el botó Llum de fons button (sun symbol) to turn the LCD backlight on or off. The backlight will automatically turn off after a period of inactivity to conserve battery power.

5.8 Unit Selection (dB/SONE)

Premeu el botó dB/SONE button to switch the display unit between decibels (dB) and SONE.

Image: A visual representation of the various function buttons on the meter, including A/C mode, Data Hold, Max/Min, Unit Change (dB/SONE), Fast/Slow, and Manual/Auto.

6. Aplicacions

The Protmex PT6708 Sound Level Meter is suitable for a wide range of applications, including:

Environmental noise assessment in residential areas, offices, and schools.
Industrial noise measurement in factories and workshops.
Traffic noise monitoring.
Quality control in product manufacturing.
Health and safety compliance.
Audio equipment testing and calibration.

Sound level meter used in various environments

Image: The digital sound level meter depicted in various common environments where noise measurement is relevant, such as offices, factories, near road traffic, and in a bedroom.

Child covering ears due to loud noise, illustrating noise impact

Image: A child covering their ears, symbolizing the impact of loud noise and the need for sound level measurement.

Sound level meter at a concert, measuring crowd noise

Image: The sound level meter positioned in a concert setting, demonstrating its use for measuring crowd noise levels.

Worker with ear protection, using sound level meter in industrial setting

Image: A worker wearing ear protection in an industrial environment, with the sound level meter nearby, highlighting its application in occupational safety.

7. Manteniment

Neteja: Netegeu el dispositiu amb un drap suau i sec. No utilitzeu productes de neteja abrasius ni dissolvents.
Emmagatzematge: Store the meter in its protective pouch in a cool, dry place away from direct sunlight and extreme temperatures.
Substitució de la bateria: Canvieu les piles quan aparegui l'indicador de bateria baixa a la pantalla. Traieu les piles si no fareu servir el dispositiu durant un període prolongat per evitar fuites.
Cura del micròfon: Keep the microphone clean and free from dust or debris. Always use the sponge cover to protect the microphone.

8. Solució De Problemes

Problema	Causa possible	Solució
El dispositiu no s'encén.	Les bateries estan esgotades o instal·lades incorrectament.	Comproveu la polaritat de la bateria i substituïu-la per piles AAA noves.
Lectures inexactes.	Microphone obstructed or damaged; incorrect weighting/response mode selected.	Ensure microphone is clear. Verify A/C weighting and Fast/Slow settings are appropriate for the measurement.
La pantalla està tènue o parpelleja.	Potència de bateria baixa.	Substituïu les piles.
"OVER" or "UNDER" displayed.	Sound level is outside the measurement range (30-130 dB).	The device is operating as expected. The sound is either too loud or too quiet for the specified range.

9. Especificacions

Paràmetre	Valor
Número de model	PT6708
Interval de mesura	30 - 130 dB
Precisió	±1.5 dB
Resolució	0.1 dB
Ponderació de freqüència	A i C
Ponderació del temps	RÀPID (0.125 s), LENT (1 s)
Micròfon	Micròfon elèctric de condensador
Mostra	LCD gran amb llum de fons
Font d'alimentació	4 piles AAA (incloses)
Material	Acrilonitril butadiè estirè (ABS)
Dimensions (L x A x A)	7.59 x 1.14 x 2.36 polzades (19.28 x 2.90 x 5.99 cm)
Pes de l'article	6.7 unces (190 grams)
Compliment	IEC651 Type 2, SI.4 Type2, CE, RoHS

Dimensions of the Protmex PT6708 Sound Level Meter

Image: A diagram showing the physical dimensions of the PT6708 Sound Level Meter: 7.59 inches in length, 2.36 inches in width, and 1.14 inches in depth.

10. Garantia i Suport

Protmex is committed to providing quality products and customer satisfaction.

10.1 Informació de la garantia

The PT6708 sound meter complies with IEC651 Type 2 and SI.4 Type2 standards, and is CE and RoHS approved. For specific warranty details, please refer to the documentation included with your purchase or contact Protmex customer support.

10.2 Atenció al client

Protmex offers 24/7 online friendly support. For any inquiries, technical assistance, or support needs, please visit the official Protmex weblloc o poseu-vos en contacte amb el seu equip d'atenció al client.

Podeu trobar més informació i dades de contacte a Protmex Store on Amazon.

For a digital copy of the user manual, you may also refer to the Manual d'usuari (PDF).

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Protmex PT6708