1. Киришүү
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. Коопсуздук маалыматы
- Аппаратты ажыратууга же өзгөртүүгө аракет кылбаңыз.
- Keep the device away from water, high temperatures, and corrosive substances.
- Батареялар туура полярдуулук менен салынганын текшериңиз. Аппарат узак убакыт бою колдонулбай турган болсо, батарейкаларды алып салыңыз.
- Аппаратты жерге түшүрүүдөн же катуу таасирлерден сактаныңыз.
3. Пакеттин мазмуну
Пакетти ачканда бардык буюмдардын бар экендигин текшериңиз:
- 1 x Mastfuyi Digital Decibel Meter FY8862
- 2 x AAA 1.5V батарейкалар
- 1 x Instruction Manual

Image 3.1: Mastfuyi Digital Decibel Meter FY8862 and included AAA batteries.
4. Продукт бүтүп калдыview жана өзгөчөлүктөрү
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.
- Электрет конденсатордук микрофону: High-precision microphone for accurate sound capture.
- Sound Level Alarm: Visual indicator (green/red LED) for sound levels.
- LCD дисплей: Shows decibel readings, mode, and battery status.
- Батарея капкагы: Secures the AAA batteries.
- Кубат которгучу: Аппаратты күйгүзөт же өчүрөт.
- MAX Locking Key: Өлчөнгөн максималдуу маанини сактайт.
- SLOW/FAST Select Button: Toggles between fast and slow response modes.
- Чөнтөк клип: For convenient carrying and secure attachment.
- Тайгаланбаган дизайн: Коопсуз кармашты камсыз кылат.
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. Wide Application
The decibel meter is suitable for monitoring noise levels in various environments, including homes, factories, classrooms, offices, home theaters, audio systems, and automobiles.

Сүрөт 4.8: Мисamples of the decibel meter's application in various settings.
5. Орнотуу
5.1. Батареяны орнотуу
The Mastfuyi FY8862 requires two AAA 1.5V batteries. To install or replace batteries:
- Батарея капкагын түзмөктүн арткы бетинен табыңыз.
- 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.
- Батареянын капкагын ордуна коюп, аны бурама менен бекитиңиз.
5.2. Калибрлөө
The device is factory-calibrated. If recalibration is necessary, follow these steps:
- басыңыз ЖАЯН/ТЕЗ баскычы жана Power Switch button simultaneously. Hold the ЖАЯН/ТЕЗ баскычы.
- After the device powers on, briefly press the Power Switch 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.
- басыңыз ЖАЯН/ТЕЗ button to save the calibration.
- басыңыз Күйгүзүү/өчүрүү button to restart the device. Calibration is now complete.
6. Иштөө нускамалары
6.1. Күйгүзүү/өчүрүү
Кызылды басыңыз Power Switch аппаратты күйгүзүү же өчүрүү үчүн баскыч.
6.2. Selecting Measurement Mode (FAST/SLOW)
басыңыз ТЕЗ/ЖАЯН 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
басыңыз МАКС 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 МАКС Бул режимден чыгуу үчүн кайра басыңыз.
6.4. Interpreting Sound Level Indicators
The device features LED indicators to provide a quick visual reference for sound levels:
- Жашыл LED: Illuminates when the sound level is below 60 dB.
- Кызыл LED: Illuminates when the sound level is above 60 dB.
7. Техникалык шарттар
| Өзгөчөлүк | Спецификация |
|---|---|
| Өлчөө диапазону | 30 дБдан 130 дБга чейин |
| Тактык | ±1.5 дБ |
| Жыштык диапазону | 31.5 Гцден 8 КГцке чейин |
| Салмак салуу | А-салмак салуу |
| Жооп убактысы | Fast (125ms), Slow (1s) |
| Электр камсыздоо | 2 x AAA 1.5V батарейкалар |
| Элемент моделинин номери | FY8862 |
| Пакеттин өлчөмдөрү | 7.17 x 1.54 x 1.34 дюйм |
| Элемент Салмагы | 3.17 унция |
8. Техникалык тейлөө
- Аппаратты жумшак, кургак чүпүрөк менен тазалаңыз. Абразивдүү тазалагычтарды же эриткичтерди колдонбоңуз.
- Ensure the microphone's wind-resistant ball is free from dust and debris for accurate readings.
- Аппаратты колдонбогондо салкын, кургак жерде сактаңыз.
9. Кыйынчылыктарды
- Түзмөк күйбөйт: Батареянын орнотулушун текшерип, батарейкалары түгөнүп калбагандыгын текшериңиз. Керек болсо алмаштырыңыз.
- Туура эмес окуулар: Ensure the microphone is clear of obstructions. Perform calibration if readings are consistently off.
- Дисплей көйгөйлөрү: Эгерде дисплей күңүрт же жыпылыктап турса, батарейкаларды алмаштырыңыз.
10. Кепилдик жана колдоо
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. Продукт видеолору
Watch the official product video for a visual guide on the Mastfuyi Digital Decibel Meter.
Видео 11.1: Расмий продукт бүттүview of the Mastfuyi Digital Decibel Meter, demonstrating its features and ease of use.





