1. Giriş
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. Güvenlik Bilgileri
- Cihazı sökmeye veya değiştirmeye çalışmayın.
- Keep the device away from water, high temperatures, and corrosive substances.
- Pillerin doğru kutuplara dikkat edilerek takıldığından emin olun. Cihaz uzun süre kullanılmayacaksa pilleri çıkarın.
- Cihazı düşürmekten veya güçlü darbelere maruz bırakmaktan kaçının.
3. Paket İçeriği
Paketi açtığınızda tüm öğelerin mevcut olduğundan emin olun:
- 1 x Mastfuyi Digital Decibel Meter FY8862
- 2 x AAA 1.5V Pil
- 1 x Kullanım Kılavuzu

Image 3.1: Mastfuyi Digital Decibel Meter FY8862 and included AAA batteries.
4. Ürün Bittiview ve Özellikler
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 Ekran: Shows decibel readings, mode, and battery status.
- Batarya kapağı: Secures the AAA batteries.
- Güç düğmesi: Cihazı açar veya kapatır.
- MAX Locking Key: Ölçülen maksimum değeri tutar.
- SLOW/FAST Select Button: Toggles between fast and slow response modes.
- Cep Klipsi: Kolay taşıma ve güvenli sabitleme için.
- Kaymaz Tasarım: 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. Compact and Portable Design
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. Geniş Uygulama Alanı
The decibel meter is suitable for monitoring noise levels in various environments, including homes, factories, classrooms, offices, home theaters, audio systems, and automobiles.

Resim 4.8: Örn.amples of the decibel meter's application in various settings.
5. Kurulum
5.1. Pil Kurulumu
The Mastfuyi FY8862 requires two AAA 1.5V batteries. To install or replace batteries:
- Cihazın arka tarafında bulunan pil kapağını bulun.
- 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.
- Pil kapağını yerine takın ve vidayla sabitleyin.
5.2. Kalibrasyon
The device is factory-calibrated. If recalibration is necessary, follow these steps:
- Basın YAVAŞ HIZLI düğme ve Güç Anahtarı button simultaneously. Hold the YAVAŞ HIZLI düğme.
- After the device powers on, briefly press the Güç Anahtarı 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.
- Basın YAVAŞ HIZLI button to save the calibration.
- Basın Güç Açık/Kapalı button to restart the device. Calibration is now complete.
6. Kullanım Talimatları
6.1. Güç Açma/Kapatma
Kırmızıya basın Güç Anahtarı Cihazı açmak veya kapatmak için düğmeye basın.
6.2. Selecting Measurement Mode (FAST/SLOW)
Basın HIZLI/YAVAŞ 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
Basın MAKSİMUM 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 MAKSİMUM Bu moddan çıkmak için tekrar butonuna basın.
6.4. Interpreting Sound Level Indicators
The device features LED indicators to provide a quick visual reference for sound levels:
- Yeşil LED: Illuminates when the sound level is below 60 dB.
- Kırmızı LED: Illuminates when the sound level is above 60 dB.
7. Özellikler
| Özellik | Şartname |
|---|---|
| Ölçüm Aralığı | 30 dB ila 130 dB |
| Kesinlik | ±1.5 dB |
| Frekans Aralığı | 31.5 Hz ila 8 KHz |
| Ağırlıklandırma | A-ağırlıklandırma |
| Tepki Süresi | Fast (125ms), Slow (1s) |
| Güç Kaynağı | 2 x AAA 1.5V Pil |
| Ürün Model Numarası | 8862-XNUMX mali yılı |
| Paket Boyutları | 7.17 x 1.54 x 1.34 inç |
| Ürün Ağırlığı | 3.17 ons |
8. Bakım
- Cihazı yumuşak ve kuru bir bezle temizleyin. Aşındırıcı temizleyiciler veya çözücüler kullanmayın.
- Ensure the microphone's wind-resistant ball is free from dust and debris for accurate readings.
- Cihazı kullanılmadığında serin ve kuru bir yerde saklayın.
9. Sorun Giderme
- Cihaz açılmıyor: Pillerin montajını kontrol edin ve pillerin bitmediğinden emin olun. Gerekirse değiştirin.
- Yanlış okumalar: Ensure the microphone is clear of obstructions. Perform calibration if readings are consistently off.
- Görüntüleme sorunları: Ekran loşsa veya titriyorsa, pilleri değiştirin.
10. Garanti ve Destek
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. Ürün Videoları
Watch the official product video for a visual guide on the Mastfuyi Digital Decibel Meter.
Video 11.1: Resmi ürün bittiview of the Mastfuyi Digital Decibel Meter, demonstrating its features and ease of use.





