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

1. Уводзіны

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. Прадукт скончыўсяview

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 Кампаненты і дысплей

Figure 2: Labeled Diagram of the SLM-267

• Electret Condenser Microphone: Captures sound. Use the included windscreen to reduce wind interference.
• ВК-дысплей: Shows measurement values, battery level, mode indicators (HOLD, MIN, MAX, OVER), and units (dBA).
• Кнопка харчавання/падсветкі: Turns the device on/off and controls the display backlight.
• MIN/MAX Button: Toggles between current, minimum, and maximum sound level readings.
• Кнопка HOLD: Зафіксуе бягучае вымярэнне на дысплеі.
• Штатыў: A 1/4-inch screw hole for mounting on a tripod (tripod not included).
• Крышка акумулятара: Located on the back for battery installation.

Figure 3: Microphone with Windscreen

3. Настройка

3.1 Устаноўка батарэі

1. Locate the battery cover on the back of the device.
2. Зрушыце вечка батарэйнага адсека ўніз, каб адкрыць яго.
3. Insert three (3) AAA 1.5V batteries, ensuring correct polarity (+/-) as indicated inside the compartment.
4. Адсуньце крышку батарэйнага адсека на месца, пакуль яна не зашчоўкнецца.

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. Інструкцыя па эксплуатацыі

4.1 Уключэнне/выключэнне сілкавання

• Каб уключыць: Націсніце Харчаванне/Падсветка button once. The display will light up and begin showing real-time measurements.
• Каб выключыць: Доўгі націск Харчаванне/Падсветка кнопку прыблізна на 2 секунды.

4.2 Кантроль падсветкі

• Калі прылада ўключана, націсніце Харчаванне/Падсветка button briefly to toggle the display backlight on or off.

Figure 5: Backlit Display for improved visibility.

4.3 Mode Selection (MIN/MAX)

• Націсніце 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 Функцыя ўтрымання дадзеных

• Націсніце ТРЫМАЦЬ button to freeze the current measurement on the display. The "HOLD" indicator will appear.
• Націсніце ТРЫМАЦЬ 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 ТРЫМАЦЬ рэжым, доўга націскайце Харчаванне/Падсветка button for 2 seconds. Use the left and right buttons (MIN/MAX and HOLD) to adjust the setting value. Press the Харчаванне/Падсветка button again to confirm and exit the setting.

4.6 Аўтаматычнае адключэнне

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

5. Працэдура вымярэння

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.

Малюнак 6: Шырокі спектр прымянення

6. Тэхнічныя характарыстыкі

Figure 7: Key Specifications

Figure 8: Device Dimensions and Weight

7. Тэхнічнае абслугоўванне

• Keep the device clean and dry. Avoid exposure to extreme temperatures, humidity, or direct sunlight.
• Не кідайце і не падвяргайце прыладу моцным ударам.
• Калі прылада не выкарыстоўваецца працяглы час, выміце батарэйкі, каб пазбегнуць уцечкі і пашкоджання.
• Працірайце вонкавыя паверхні мяккай сухой тканінай. Не выкарыстоўвайце абразіўныя ачышчальнікі або растваральнікі.
• Ensure the windscreen is properly fitted over the microphone to protect it from dust and debris.

8. Выпраўленне непаладак

• Прылада не ўключаецца: Check if the batteries are installed correctly with the right polarity. Ensure batteries are not depleted and replace if necessary.
• Няправільныя паказанні: 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.
• Дысплей цьмяны або мігоча: 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. Гарантыя і падтрымка

For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official GAIN EXPRESS webсайт. Захоўвайце чэк аб куплі як пацвярджэнне пакупкі для гарантыйных прэтэнзій.