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

1. Introducere

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. Produs terminatview

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 Componente și afișaj

Figure 2: Labeled Diagram of the SLM-267

• Microfon cu condensator electret: Captures sound. Use the included windscreen to reduce wind interference.
• Display LCD: Shows measurement values, battery level, mode indicators (HOLD, MIN, MAX, OVER), and units (dBA).
• Buton de alimentare/iluminare de fundal: Turns the device on/off and controls the display backlight.
• Buton MIN/MAX: Toggles between current, minimum, and maximum sound level readings.
• Țineți butonul apasat: Îngheață măsurătoarea curentă pe afișaj.
• Montare trepied: A 1/4-inch screw hole for mounting on a tripod (tripod not included).
• Capacul bateriei: Situat pe spate pentru instalarea bateriei.

Figure 3: Microphone with Windscreen

3. Configurare

3.1 Instalarea bateriei

1. Localizați capacul bateriei pe spatele dispozitivului.
2. Glisați capacul bateriei în jos pentru a-l deschide.
3. Insert three (3) AAA 1.5V batteries, ensuring correct polarity (+/-) as indicated inside the compartment.
4. Glisați capacul bateriei înapoi în poziție până când se fixează cu un clic.

3.2 Montare pe trepied (opțional)

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. Instrucțiuni de utilizare

4.1 Pornire/Oprire

• Pentru a porni: Apăsați tasta Power/Backlight button once. The display will light up and begin showing real-time measurements.
• Pentru a opri: Apăsați lung pe Power/Backlight butonul pentru aproximativ 2 secunde.

4.2 Control iluminare de fundal

• În timp ce dispozitivul este pornit, apăsați tasta Power/Backlight button briefly to toggle the display backlight on or off.

Figure 5: Backlit Display for improved visibility.

4.3 Mode Selection (MIN/MAX)

• Apăsați tasta MINIM MAXIM 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 Funcția de păstrare a datelor

• Apăsați tasta ȚINE button to freeze the current measurement on the display. The "HOLD" indicator will appear.
• Apăsați tasta ȚINE 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 ȚINE modul, apăsați lung pe Power/Backlight button for 2 seconds. Use the left and right buttons (MIN/MAX and HOLD) to adjust the setting value. Press the Power/Backlight Apăsați din nou butonul pentru a confirma și a ieși din setare.

4.6 Oprire automată

• The device will automatically power off after 10 minutes of inactivity to save battery.
• To disable automatic shutdown: Long press the Power/Backlight button for 3 seconds when turning on the device. The display will show "UOF" (User Off) to indicate that auto-shutdown is disabled.

5. Procedura de măsurare

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 Practical Applications

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: Gamă largă de aplicații

6. Specificații

Figura 7: Specificații cheie

Figure 8: Device Dimensions and Weight

7. Întreținere

• Keep the device clean and dry. Avoid exposure to extreme temperatures, humidity, or direct sunlight.
• Nu scăpați și nu expuneți dispozitivul la impacturi puternice.
• Când nu le utilizați pentru perioade lungi de timp, scoateți bateriile pentru a preveni scurgerile și deteriorarea.
• Curățați exteriorul cu o lavetă moale și uscată. Nu utilizați substanțe de curățare abrazive sau solvenți.
• Ensure the windscreen is properly fitted over the microphone to protect it from dust and debris.

8. Depanare

• Dispozitivul nu pornește: Check if the batteries are installed correctly with the right polarity. Ensure batteries are not depleted and replace if necessary.
• Citiri inexacte: 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.
• Afișajul este slab sau pâlpâie: 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. Garanție și asistență

For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official GAIN EXPRESS webPăstrați bonul fiscal ca dovadă a achiziției pentru reclamații în garanție.