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

1. Увод

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. Производ је готовview

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 Компоненте и екран

Figure 2: Labeled Diagram of the SLM-267

• Електретни кондензаторски микрофон: Captures sound. Use the included windscreen to reduce wind interference.
• ЛЦД екран: Shows measurement values, battery level, mode indicators (HOLD, MIN, MAX, OVER), and units (dBA).
• Дугме за напајање/позадинско осветљење: Turns the device on/off and controls the display backlight.
• Дугме МИН/МАКС: Toggles between current, minimum, and maximum sound level readings.
• Дугме ХОЛД: Замрзава тренутно мерење на екрану.
• Монтажа за статив: A 1/4-inch screw hole for mounting on a tripod (tripod not included).
• Поклопац батерије: Located on the back for battery installation.

Figure 3: Microphone with Windscreen

3. Подешавање

3.1 Инсталација батерије

1. Пронађите поклопац батерије на задњој страни уређаја.
2. Померите поклопац батерије надоле да бисте га отворили.
3. Insert three (3) AAA 1.5V batteries, ensuring correct polarity (+/-) as indicated inside the compartment.
4. Гурните поклопац батерије назад на место док не кликне безбедно.

3.2 Монтажа на статив (опционо)

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. Упутство за употребу

4.1 Укључивање/искључивање

• За укључивање: Притисните тастер Напајање/Позадинско осветљење button once. The display will light up and begin showing real-time measurements.
• За искључивање: Дуго притисните Напајање/Позадинско осветљење дугме око 2 секунде.

4.2 Контрола позадинског осветљења

• Док је уређај укључен, притисните Напајање/Позадинско осветљење button briefly to toggle the display backlight on or off.

Figure 5: Backlit Display for improved visibility.

4.3 Mode Selection (MIN/MAX)

• Притисните тастер МИН / МАКС 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 Функција задржавања података

• Притисните тастер ХОЛД button to freeze the current measurement on the display. The "HOLD" indicator will appear.
• Притисните тастер ХОЛД поново притисните дугме да бисте отпустили задржавање података и наставили мерења у реалном времену.

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 ХОЛД режим, дуго притисните тастер Напајање/Позадинско осветљење button for 2 seconds. Use the left and right buttons (MIN/MAX and HOLD) to adjust the setting value. Press the Напајање/Позадинско осветљење button again to confirm and exit the setting.

4.6 Аутоматско искључивање

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

5. Процедура мерења

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.

Слика 6: Широк спектар примене

6. Спецификације

Слика 7: Кључне спецификације

Слика 8: Димензије и тежина уређаја

7. Одржавање

• Keep the device clean and dry. Avoid exposure to extreme temperatures, humidity, or direct sunlight.
• Немојте испуштати уређај или га излагати јаким ударима.
• When not in use for extended periods, remove the batteries to prevent leakage and damage.
• Очистите спољашњост меком, сувом крпом. Не користите абразивна средства за чишћење или раствараче.
• Ensure the windscreen is properly fitted over the microphone to protect it from dust and debris.

КСНУМКС. Решавање проблема

• Уређај се не укључује: Check if the batteries are installed correctly with the right polarity. Ensure batteries are not depleted and replace if necessary.
• Нетачна очитавања: 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.
• Екран је затамњен или трепери: 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. Гаранција и подршка

For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official GAIN EXPRESS webсајт. Сачувајте рачун као доказ о куповини за потребе гаранције.