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

1. المقدمة

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. انتهى المنتجview

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 المكونات والشاشة

Figure 2: Labeled Diagram of the SLM-267

• ميكروفون مكثف إلكتروني: Captures sound. Use the included windscreen to reduce wind interference.
• شاشة 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.
• زر الحد الأدنى/الأقصى: Toggles between current, minimum, and maximum sound level readings.
• زر الأنتظار: تجميد القياس الحالي على الشاشة.
• ترايبود جبل: A 1/4-inch screw hole for mounting on a tripod (tripod not included).
• غطاء البطارية: يوجد في الخلف مكان تركيب البطارية.

Figure 3: Microphone with Windscreen

3. الإعداد

3.1 تركيب البطارية

1. حدد مكان غطاء البطارية في الجزء الخلفي من الجهاز.
2. قم بتحريك غطاء البطارية إلى الأسفل لفتحه.
3. Insert three (3) AAA 1.5V batteries, ensuring correct polarity (+/-) as indicated inside the compartment.
4. قم بتحريك غطاء البطارية مرة أخرى إلى مكانه حتى يستقر بشكل آمن.

3.2 تركيب الحامل الثلاثي (اختياري)

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. تعليمات التشغيل

4.1 تشغيل/إيقاف التشغيل

• لتشغيل: اضغط على Power/Backlight button once. The display will light up and begin showing real-time measurements.
• لإيقاف التشغيل: اضغط لفترة طويلة على Power/Backlight اضغط على الزر لمدة 2 ثوانٍ تقريبًا.

4.2 التحكم في الإضاءة الخلفية

• أثناء تشغيل الجهاز، اضغط على 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)

• اضغط على الحد الأدنى - الحد الأقصى 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 وظيفة الاحتفاظ بالبيانات

• اضغط على يمسك button to freeze the current measurement on the display. The "HOLD" indicator will appear.
• اضغط على يمسك 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 يمسك الوضع ، اضغط لفترة طويلة على 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 اضغط على الزر مرة أخرى للتأكيد والخروج من الإعدادات.

4.6 الاغلاق التلقائي

• 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. إجراء القياس

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 التطبيقات العملية

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.

الشكل 6: نطاق واسع من التطبيقات

6. المواصفات

الشكل 7: المواصفات الرئيسية

Figure 8: Device Dimensions and Weight

7. الصيانة

• Keep the device clean and dry. Avoid exposure to extreme temperatures, humidity, or direct sunlight.
• لا تسقط الجهاز أو تعرضه لصدمات قوية.
• When not in use for extended periods, remove the batteries to prevent leakage and damage.
• نظّف السطح الخارجي بقطعة قماش ناعمة وجافة. لا تستخدم المنظفات الكاشطة أو المذيبات.
• Ensure the windscreen is properly fitted over the microphone to protect it from dust and debris.

8. استكشاف الأخطاء وإصلاحها

• الجهاز لا يعمل: Check if the batteries are installed correctly with the right polarity. Ensure batteries are not depleted and replace if necessary.
• قراءات غير دقيقة: 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.
• العرض باهت أو وامض: 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. الضمان والدعم

For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official GAIN EXPRESS webالموقع. احتفظ بإيصال الشراء الخاص بك كإثبات للشراء في حالة مطالبات الضمان.