1. تعارف
This manual provides detailed instructions for the safe and effective operation of your Mastfuyi Digital Decibel Meter, Model FY8862. Please read this manual thoroughly before using the device and retain it for future reference.
The Mastfuyi FY8862 is a portable, digital sound level meter designed for measuring sound levels in various environments. It features a wide measurement range, high accuracy, and multiple functions including A-weighting, fast/slow response modes, and MAX data hold.
2. حفاظت جي ڄاڻ
- ڊوائيس کي ڌار ڪرڻ يا تبديل ڪرڻ جي ڪوشش نه ڪريو.
- Keep the device away from water, high temperatures, and corrosive substances.
- پڪ ڪريو ته بيٽريون صحيح پولارٽي سان لڳايون ويون آهن. جيڪڏهن ڊوائيس ڊگهي عرصي تائين استعمال نه ٿيندي ته بيٽريون هٽايو.
- ڊوائيس کي ڇڏڻ يا ان کي مضبوط اثرن جي تابع ڪرڻ کان پاسو ڪريو.
3. پيڪيج مواد
پيڪيج کولڻ وقت پڪ ڪريو ته سڀئي شيون موجود آهن:
- 1 x Mastfuyi Digital Decibel Meter FY8862
- 2 x AAA 1.5V بيٽريون
- 1 x ھدايت وارو دستور

Image 3.1: Mastfuyi Digital Decibel Meter FY8862 and included AAA batteries.
4. پراڊڪٽ ختمview ۽ خاصيتون
The Mastfuyi FY8862 is designed for ease of use and accurate sound measurement. Below are its key components and features:

Image 4.1: Labeled components of the Mastfuyi FY8862 Decibel Meter.
- Wind-resistant Ball: Protects the microphone from wind noise and minor impacts.
- Electret Condenser Microphone: High-precision microphone for accurate sound capture.
- Sound Level Alarm: Visual indicator (green/red LED) for sound levels.
- LCD ڊسپلي: Shows decibel readings, mode, and battery status.
- بيٽري جو احاطو: Secures the AAA batteries.
- پاور سوئچ: ڊوائيس کي آن يا بند ڪري ٿو.
- MAX Locking Key: Holds the maximum measured value.
- SLOW/FAST Select Button: Toggles between fast and slow response modes.
- کيسي ڪلپ: For convenient carrying and secure attachment.
- غير پرچي ڊيزائن: Ensures a secure grip.
4.1. Electret Condenser Microphone
The device utilizes a precise electret condenser microphone for accurate sound capture, offering high precision, quick response, and anti-interference capabilities.

Image 4.2: The Electret Condenser Microphone, designed for high precision and quick response.
4.2. ڪمپيڪٽ ۽ پورٽيبل ڊيزائن
Weighing only 1.76 oz (without battery) and measuring 6.65 inches (169mm) in length, the pen-style design with a pocket clip makes it easy to carry and store securely.

Image 4.3: The compact and lightweight design of the decibel meter, suitable for various carrying methods.
4.3. A-Weighted Measurement
This noise meter incorporates A-weighting, which simulates the frequency response of the human ear at low sound intensities. This provides a more accurate and professional detection of environmental noise, crucial for assessing potential hearing damage and noise pollution.

Image 4.4: A-weighting feature for accurate environmental noise detection.
4.4. Fast and Slow Measurement Modes
The device offers two response rates for diverse measurement needs:
- FAST Mode: Samples the signal 8 times per second, ideal for measuring transient noise or instantaneous changes in sound levels.
- SLOW Mode: Samples 1 time per second, suitable for continuous noise measurements and indicating the average level of fluctuating noise.

Image 4.5: Illustration of Fast and Slow measurement modes.
4.5. MAX Data Hold Function
The MAX lock function continuously records and displays the highest measurement during the sampling period, simplifying data reading and recording.

Image 4.6: The MAX Hold function for capturing peak sound levels.
4.6. Sound Level Alarm
A visual alert system is integrated: the sound level indicator illuminates green when the sound level is below 60 dB and red when it exceeds 60 dB.
4.7. Common Noise Range Reference
Understand typical decibel levels and their potential impact:

Image 4.7: Reference chart for common noise ranges and their effects.
4.8. وسيع ايپليڪيشن
The decibel meter is suitable for monitoring noise levels in various environments, including homes, factories, classrooms, offices, home theaters, audio systems, and automobiles.

تصوير 4.8: اڳوڻيamples of the decibel meter's application in various settings.
5. سيٽ اپ
5.1. بيٽري لڳائڻ
The Mastfuyi FY8862 requires two AAA 1.5V batteries. To install or replace batteries:
- ڊوائيس جي پوئين پاسي بيٽري جو ڍڪ ڳوليو.
- Use a small Phillips head screwdriver to unscrew the battery cover.
- Insert two AAA 1.5V batteries, ensuring correct polarity as indicated inside the compartment.
- بيٽري جي ڍڪ کي تبديل ڪريو ۽ ان کي اسڪرو سان محفوظ ڪريو.
5.2. حساب ڪتاب
The device is factory-calibrated. If recalibration is necessary, follow these steps:
- کي دٻايو سست / تيز بٽڻ ۽ پاور سوئچ button simultaneously. Hold the سست / تيز بٽڻ
- After the device powers on, briefly press the پاور سوئچ button. The screen will display "MAX" to indicate entry into calibration mode.
- Set your standard signal source device to 94dB.
- Align the decibel meter to the standard signal source device. Wait for the meter reading to stabilize at 94dB.
- کي دٻايو سست / تيز button to save the calibration.
- کي دٻايو پاور آن / آف button to restart the device. Calibration is now complete.
6. آپريٽنگ هدايتون
6.1. پاور آن/آف
ڳاڙھو دٻايو پاور سوئچ ڊوائيس کي آن يا بند ڪرڻ لاءِ بٽڻ.
6.2. Selecting Measurement Mode (FAST/SLOW)
کي دٻايو تيز / سست button to toggle between Fast and Slow response modes. The selected mode will be indicated on the LCD display.
6.3. Using MAX Data Hold
کي دٻايو MAX button to activate the MAX data hold function. The display will then show the highest decibel reading recorded since the function was activated. Press the MAX هن موڊ مان نڪرڻ لاءِ ٻيهر بٽڻ.
6.4. Interpreting Sound Level Indicators
The device features LED indicators to provide a quick visual reference for sound levels:
- گرين لائيٽ: Illuminates when the sound level is below 60 dB.
- ڳاڙهو لال Illuminates when the sound level is above 60 dB.
7. وضاحتون
| خاصيت | تفصيل |
|---|---|
| ماپ جي حد | 30 ڊي بي کان 130 ڊي بي |
| درستگي | ±1.5 ڊي بي |
| تعدد جي حد | 31.5 Hz کان 8 KHz |
| وزن کڻڻ | A- وزن کڻڻ |
| جوابي وقت | Fast (125ms), Slow (1s) |
| بجلي جي فراهمي | 2 x AAA 1.5V بيٽريون |
| شيون ماڊل نمبر | مالي سال 8862 |
| پيڪيج جي ماپ | 7.17 x 1.54 x 1.34 انچ |
| شيءِ جو وزن | 3.17 اونس |
8. سار سنڀال
- ڊوائيس کي نرم، سڪل ڪپڙي سان صاف ڪريو. رگڙيندڙ صاف ڪندڙ يا محلول استعمال نه ڪريو.
- Ensure the microphone's wind-resistant ball is free from dust and debris for accurate readings.
- جڏهن استعمال ۾ نه هجي ته ڊوائيس کي ٿڌي، سڪل جڳهه ۾ ذخيرو ڪريو.
9. مسئلا حل ڪرڻ
- ڊوائيس آن نه ٿي رهي آهي: بيٽري جي انسٽاليشن چيڪ ڪريو ۽ پڪ ڪريو ته بيٽريون ختم نه ٿيون آهن. جيڪڏهن ضروري هجي ته تبديل ڪريو.
- غلط پڙهڻ: Ensure the microphone is clear of obstructions. Perform calibration if readings are consistently off.
- ڊسپلي مسئلا: جيڪڏهن ڊسپلي مدھم يا ٽمٽار آهي، ته بيٽريون تبديل ڪريو.
10. وارنٽي ۽ سپورٽ
Mastfuyi provides a 48-month unconditional warranty and lifetime after-sales service for this product. For any questions or support needs, please contact Mastfuyi customer service. We are available 24/7 online to answer your questions as soon as possible.
11. پراڊڪٽ وڊيوز
Watch the official product video for a visual guide on the Mastfuyi Digital Decibel Meter.
وڊيو 11.1: سرڪاري پراڊڪٽ ختمview of the Mastfuyi Digital Decibel Meter, demonstrating its features and ease of use.





