GAIN EXPRESS SLM-267 Small Digital Sound Level Meter User Manual

1. Introducció

This manual provides detailed instructions for the proper use and maintenance of your GAIN EXPRESS SLM-267 Small Digital Sound Level Meter. Please read this manual thoroughly before operation to ensure accurate measurements and safe handling of the device. This device is designed for sound quality management in various environments.

Figure 1: GAIN EXPRESS SLM-267 Digital Sound Level Meter

2. Producte acabatview

The GAIN EXPRESS SLM-267 is a compact and portable digital sound level meter featuring a backlit LCD display for clear readings. It is equipped with functions for maximum/minimum value measurement, data hold, and automatic power-off to conserve battery life. A windscreen is included to minimize wind noise during outdoor measurements.

2.1 Components i pantalla

Figure 2: Labeled Diagram of the SLM-267

• Electret Condenser Microphone: Captures sound. Use the included windscreen to reduce wind interference.
• Pantalla LCD: Shows measurement values, battery level, mode indicators (HOLD, MIN, MAX, OVER), and units (dBA).
• Power/Backlight Button: Turns the device on/off and controls the display backlight.
• Botó MÍN/MÀX: Toggles between current, minimum, and maximum sound level readings.
• Botó HOLD: Congela la mesura actual a la pantalla.
• Muntatge de trípode: A 1/4-inch screw hole for mounting on a tripod (tripod not included).
• Tapa de la bateria: Situat a la part posterior per a la instal·lació de la bateria.

Figure 3: Microphone with Windscreen

3. Configuració

3.1 Instal·lació de la bateria

1. Localitza la tapa de la bateria a la part posterior del dispositiu.
2. Feu lliscar la tapa de la bateria cap avall per obrir-la.
3. Insert three (3) AAA 1.5V batteries, ensuring correct polarity (+/-) as indicated inside the compartment.
4. Feu lliscar la coberta de la bateria al seu lloc fins que faci un clic de manera segura.

3.2 Tripod Mounting (Optional)

The device includes a 1/4-inch screw hole on the back for mounting onto a standard tripod. This can be useful for stable, long-term measurements or when hands-free operation is desired. Ensure the tripod is stable before mounting the device.

Figure 4: Tripod Mount

4. Instruccions de funcionament

4.1 Encès/Apagat

• Per encendre: Premeu el botó Engegada/Retroil·luminació button once. The display will light up and begin showing real-time measurements.
• Per apagar: Premeu llargament el botó Engegada/Retroil·luminació botó durant aproximadament 2 segons.

Control de retroiluminació 4.2

• Mentre el dispositiu està encès, premeu el botó Engegada/Retroil·luminació button briefly to toggle the display backlight on or off.

Figure 5: Backlit Display for improved visibility.

4.3 Mode Selection (MIN/MAX)

• Premeu el botó MIN / MAX button to cycle through measurement modes: Current Value → Minimum Value (MIN) → Maximum Value (MAX).
• The corresponding indicator (MIN or MAX) will appear on the display.

4.4 Funció de retenció de dades

• Premeu el botó MANTENIM button to freeze the current measurement on the display. The "HOLD" indicator will appear.
• Premeu el botó MANTENIM button again to release the data hold and resume real-time measurements.

4.5 Backlight Alarm Setting

• When the measured value exceeds a preset threshold, the backlight will flash as an alarm. The initial default threshold is 100dB.
• To adjust the alarm threshold: While in MANTENIM mode, premeu llargament el botó Engegada/Retroil·luminació button for 2 seconds. Use the left and right buttons (MIN/MAX and HOLD) to adjust the setting value. Press the Engegada/Retroil·luminació button again to confirm and exit the setting.

4.6 Apagat automàtic

• El dispositiu s'apagarà automàticament després de 10 minuts d'inactivitat per estalviar bateria.
• To disable automatic shutdown: Long press the Engegada/Retroil·luminació button for 3 seconds when turning on the device. The display will show "UOF" (User Off) to indicate that auto-shutdown is disabled.

5. Procediment de mesura

To take a measurement, ensure the device is powered on and held in the desired measurement area. The display will show the real-time sound level in dBA. For accurate readings, ensure the microphone is pointed towards the sound source and is not obstructed.

5.1 Aplicacions pràctiques

The GAIN EXPRESS SLM-267 is suitable for a wide range of applications, including:

• Environmental noise monitoring in factories, offices, and residential areas.
• Assessing noise levels in vehicles, schools, and theaters.
• Checking audio system performance.
• Monitoring noise on transportation routes and construction sites.
• General noise engineering and health prevention assessments.

Figura 6: Àmplia gamma d'aplicacions

6. Especificacions

Figura 7: Especificacions clau

Figure 8: Device Dimensions and Weight

7. Manteniment

• Keep the device clean and dry. Avoid exposure to extreme temperatures, humidity, or direct sunlight.
• No deixeu caure ni sotmeti el dispositiu a impactes forts.
• When not in use for extended periods, remove the batteries to prevent leakage and damage.
• Netegeu l'exterior amb un drap suau i sec. No utilitzeu productes de neteja abrasius ni dissolvents.
• Ensure the windscreen is properly fitted over the microphone to protect it from dust and debris.

8. Solució De Problemes

• El dispositiu no s'encén: Check if the batteries are installed correctly with the right polarity. Ensure batteries are not depleted and replace if necessary.
• Lectures inexactes: Ensure the microphone is not obstructed and the windscreen is clean. Avoid measuring in strong wind without the windscreen. Check for any physical damage to the microphone.
• La pantalla és tènue o parpelleja: Replace batteries if the battery indicator shows low power. If the backlight is off, press the Power/Backlight button to turn it on.
• "OVER" displayed: The measured sound level exceeds the device's maximum range (130dBA). Move to a quieter environment or use a device with a higher measurement range.

9. Garantia i Suport

For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official GAIN EXPRESS weblloc web. Conserveu el rebut de compra com a comprovant de compra per a reclamacions de garantia.