1. Ifihan
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. Alaye Aabo
- Ma ṣe gbiyanju lati tunto tabi yi ẹrọ naa pada.
- Keep the device away from water, high temperatures, and corrosive substances.
- Rii daju pe awọn batiri ti wa ni fi sii pẹlu polarity to pe. Yọ awọn batiri kuro ti ẹrọ naa kii yoo lo fun akoko ti o gbooro sii.
- Yago fun sisọ ẹrọ naa silẹ tabi fifisilẹ si awọn ipa to lagbara.
3. Package Awọn akoonu
Daju pe gbogbo awọn nkan wa lori ṣiṣi package naa:
- 1 x Mastfuyi Digital Decibel Meter FY8862
- 2 x AAA 1.5V Awọn batiri
- 1 x Ilana itọnisọna

Image 3.1: Mastfuyi Digital Decibel Meter FY8862 and included AAA batteries.
4. Ọja Ipariview ati Awọn ẹya ara ẹrọ
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.
- Ifihan LCD: Shows decibel readings, mode, and battery status.
- Ideri Batiri: Secures the AAA batteries.
- Agbara Yi pada: Tan ẹrọ naa si tan tabi pa.
- MAX Locking Key: Holds the maximum measured value.
- SLOW/FAST Select Button: Toggles between fast and slow response modes.
- Agekuru apo: For convenient carrying and secure attachment.
- Apẹrẹ ti kii ṣe isokuso: 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. Ohun elo jakejado
The decibel meter is suitable for monitoring noise levels in various environments, including homes, factories, classrooms, offices, home theaters, audio systems, and automobiles.

Aworan 4.8: Examples of the decibel meter's application in various settings.
5. Eto
5.1. Fifi sori batiri
The Mastfuyi FY8862 requires two AAA 1.5V batteries. To install or replace batteries:
- Wa ideri batiri naa ni ẹhin ẹrọ naa.
- 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.
- Rọpo ideri batiri ki o ni aabo pẹlu dabaru.
5.2. Iṣatunṣe
The device is factory-calibrated. If recalibration is necessary, follow these steps:
- Tẹ awọn O lọra / Yara bọtini ati awọn Agbara Yipada button simultaneously. Hold the O lọra / Yara bọtini.
- After the device powers on, briefly press the Agbara Yipada 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.
- Tẹ awọn O lọra / Yara button to save the calibration.
- Tẹ awọn Titan / Paa button to restart the device. Calibration is now complete.
6. Awọn ilana Iṣiṣẹ
6.1. Agbara Tan / Paa
Tẹ pupa Agbara Yipada bọtini lati tan ẹrọ tabi pa.
6.2. Selecting Measurement Mode (FAST/SLOW)
Tẹ awọn FAYARA / o lọra 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
Tẹ awọn 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 bọtini lẹẹkansi lati jade yi mode.
6.4. Interpreting Sound Level Indicators
The device features LED indicators to provide a quick visual reference for sound levels:
- Green Green: Illuminates when the sound level is below 60 dB.
- LED pupa: Illuminates when the sound level is above 60 dB.
7. Awọn pato
| Ẹya ara ẹrọ | Sipesifikesonu |
|---|---|
| Iwọn Iwọn | 30 dB si 130 dB |
| Yiye | ± 1.5 dB |
| Iwọn Igbohunsafẹfẹ | 31.5 Hz si 8 kHz |
| Iwọn iwuwo | A-ni iwuwo |
| Akoko Idahun | Fast (125ms), Slow (1s) |
| Ibi ti ina elekitiriki ti nwa | 2 x AAA 1.5V Awọn batiri |
| Nọmba Awoṣe Nkan | FY8862 |
| Package Mefa | 7.17 x 1.54 x 1.34 inches |
| Iwọn Nkan | 3.17 iwon |
8. Itọju
- Nu ẹrọ naa pẹlu asọ ti o tutu, ti o gbẹ. Ma ṣe lo abrasive ose tabi epo.
- Ensure the microphone's wind-resistant ball is free from dust and debris for accurate readings.
- Tọju ẹrọ naa ni itura, aye gbigbẹ nigbati o ko ba wa ni lilo.
9. Laasigbotitusita
- Ẹrọ ko ni agbara lori: Ṣayẹwo fifi sori batiri ati rii daju pe awọn batiri ko dinku. Rọpo ti o ba wulo.
- Awọn kika ti ko pe: Ensure the microphone is clear of obstructions. Perform calibration if readings are consistently off.
- Ṣe afihan awọn iṣoro: Tí ìbòjú náà bá ṣókùnkùn tàbí tí ó ń tàn, fi àwọn bátìrì náà rọ́pò rẹ̀.
10. Atilẹyin ọja ati Support
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. Awọn fidio ọja
Watch the official product video for a visual guide on the Mastfuyi Digital Decibel Meter.
Fidio 11.1: Ọja osise ti pariview of the Mastfuyi Digital Decibel Meter, demonstrating its features and ease of use.





