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

1. Ifihan

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. Ọja Ipariview

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 Irinše ati Ifihan

Figure 2: Labeled Diagram of the SLM-267

• Electret Condenser Microphone: Captures sound. Use the included windscreen to reduce wind interference.
• Ifihan 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.
• MIN/MAX Button: Toggles between current, minimum, and maximum sound level readings.
• Bọtini Dimu: Didi wiwọn lọwọlọwọ lori ifihan.
• Tripod Oke: A 1/4-inch screw hole for mounting on a tripod (tripod not included).
• Ideri Batiri: Ti wa ni ẹhin fun fifi sori batiri.

Figure 3: Microphone with Windscreen

3. Eto

3.1 Fifi sori batiri

1. Wa ideri batiri naa ni ẹhin ẹrọ naa.
2. Gbe ideri batiri si isalẹ lati ṣi i.
3. Insert three (3) AAA 1.5V batteries, ensuring correct polarity (+/-) as indicated inside the compartment.
4. Gbe ideri batiri pada si aaye titi yoo fi tẹ ni aabo.

3.2 Iṣagbesori Tripod (Aṣayan)

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. Awọn ilana Iṣiṣẹ

4.1 Agbara Tan / Pa

• Lati Fi agbara: Tẹ awọn Power/Backlight button once. The display will light up and begin showing real-time measurements.
• Lati Paarẹ: Gun tẹ awọn Power/Backlight bọtini fun isunmọ 2 aaya.

4.2 Backlight Iṣakoso

• Nigba ti ẹrọ ti wa ni titan, tẹ awọn 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)

• Tẹ awọn 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 Data idaduro Išė

• Tẹ awọn DIMU button to freeze the current measurement on the display. The "HOLD" indicator will appear.
• Tẹ awọn DIMU 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 DIMU mode, gun tẹ awọn 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 bọtini lẹẹkansi lati jẹrisi ati jade kuro ni eto naa.

4.6 Aifọwọyi Tiipa

• 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. Ilana wiwọn

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.

Figure 6: Wide Range of Applications

6. Awọn pato

Àwòrán 7: Àwọn Àlàyé Pàtàkì

Figure 8: Device Dimensions and Weight

7. Itọju

• Keep the device clean and dry. Avoid exposure to extreme temperatures, humidity, or direct sunlight.
• Ma ṣe ju silẹ tabi tẹ ẹrọ si awọn ipa to lagbara.
• Tí o kò bá lò ó fún ìgbà pípẹ́, yọ àwọn bátìrì náà kúrò kí ó má ​​baà jẹ́ kí ó jò tàbí kí ó ba jẹ́.
• Mọ ode pẹlu asọ ti o gbẹ. Ma ṣe lo abrasive ose tabi epo.
• Ensure the windscreen is properly fitted over the microphone to protect it from dust and debris.

8. Laasigbotitusita

• Ẹrọ ko ni agbara lori: Check if the batteries are installed correctly with the right polarity. Ensure batteries are not depleted and replace if necessary.
• Awọn kika ti ko pe: 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.
• Ifihan ti wa ni baibai tabi yiyi: 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. Atilẹyin ọja ati Support

For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official GAIN EXPRESS webojula. Tọju iwe-ẹri rira rẹ bi ẹri rira fun awọn iṣeduro atilẹyin ọja.