1. Киришүү
The mLabs HT-80A is a portable, mini digital sound level meter designed for accurate noise measurement. It features a large LCD screen for clear digital readings, and offers both Fast and Slow dynamic characteristic modes. This instrument is ideal for sound quality control in various environments including factories, offices, homes, schools, and construction sites. Its auto power-off function ensures energy saving.
Сүрөт 1: Алдыңкы view of the HT-80A Digital Sound Level Meter.
2. Продукциянын өзгөчөлүктөрү
- Large LCD screen with digital reading for clear display.
- Fast and Slow dynamic characteristic modes for versatile measurement.
- Auto power-off design for energy efficiency.
- Portable, easy to use, and handy for various applications.
- Max and Min Hold Function to capture peak and lowest readings.
- Equipped with a 1/2-inch electret condenser microphone for accurate sound capture.
- Measurement range of 35-130dB.
- Frequency range from 31.5Hz to 8kHz.
- A-frequency weighting.
Figure 2: The HT-80A meter is suitable for various environments including factories, offices, homes, schools, and construction sites.
Figure 3: The meter features a sensitive sensor with a 0.5-second fast response time for quick and accurate measurements.
Figure 4: The high-definition LCD display provides clear readings and is designed for energy saving.
Figure 5: The meter is equipped with a 1/2-inch electret condenser microphone, featuring a metal hole design for double protection of the sound head.
Figure 6: The HT-80A offers a measurement range of 35-130dB with a tolerance value of ±0.5dB.
3. Пакеттин мазмуну
The standard package for the mLabs HT-80A includes:
- 1 x Mini Sound Level Meter (HT-80A)
- 1 x 9V батарея
- Original retail box
4. Орнотуу
To set up your HT-80A Sound Level Meter for first use:
- Батареяны орнотуу: Open the battery cover located on the back of the device and install the provided 9V battery, ensuring correct polarity.
- Күйгүзүү: Press the power button (usually indicated by a power symbol) to turn on the meter.
Figure 7: Diagram showing the various parts of the HT-80A, including the battery cover and buttons.
5. Операция
Follow these steps to operate your HT-80A Sound Level Meter:
- Позициялоо: Hold the meter comfortably in your hand or fix it on a tripod. Point the microphone directly at the suspected noise source. The sound pressure level will be displayed on the LCD screen.
- Max/Min Mode: үчүн view the maximum or minimum sound level recorded during a measurement session, press the "MAX/MIN" button. The meter will then display the highest or lowest reading.
- кармап туруу функциясы: To freeze the current reading on the display, press the "HOLD" button. Press it again momentarily to deactivate the hold function and resume live readings.
- Алдын ала айнекти колдонуу: If operating in conditions where wind speed exceeds 10m/sec, attach the protective windscreen (if included) over the microphone to ensure accurate readings and prevent wind noise interference.
- Авто өчүрүү: The meter is designed to automatically shut off after approximately 15 minutes of inactivity to conserve battery life.
- Өчүрүү: When you are finished using the meter, press and hold the power button to turn it off. For long-term storage, remove the battery.
Figure 8: The HT-80A is a versatile noise tester suitable for monitoring sound levels in diverse environments such as offices, busy streets, construction sites, and events.
6. Техникалык шарттар
| Параметр | Нарк |
|---|---|
| Модел | HT-80A |
| Тактык | ±3dB (ref 94dB @1kHz) |
| Жыштык диапазону | 31.5Гцден 8кГцке чейин |
| Жыштыкты өлчөө | A |
| Level Range (LoA) | 35-130дБ |
| Резолюция | 0.1дБ |
| Санариптик дисплей | ЖК, 3 сан |
| Жооп убактысы | 0.5с |
| Убакытты өлчөө | FAST (125mS) |
| Микрофон | 1/2 inch Electret Condenser Microphone |
| Батарея түрү | 9V батарея |
| Иштөө температурасы | 0°C - 40°C (<80% R.H.) |
| Сактоо температурасы | -10°C ~ 60°C (<70% R.H.) |
| Авто өчүрүү | Болжол менен кийин. 15 мүнөт аракетсиздик |
| Power Life | About 50 hours (with 9V battery) |
| Өлчөмдөр | 17 x 5.8 x 3.5 cm (Product) / 10 x 8 x 6 cm (Package) |
| Элемент Салмагы | 140g (Product) / 249g (Package) |
| Түс | Black and Yellow and Gray |
7. Техникалык тейлөө
- Тазалоо: Use a soft, dry cloth to clean the exterior of the meter. Do not use abrasive cleaners or solvents.
- Сактагыч: When not in use for extended periods, remove the 9V battery to prevent leakage and store the meter in a cool, dry place, away from direct sunlight and extreme temperatures.
- Микрофонго кам көрүү: Protect the microphone from dust, moisture, and physical impact. If a windscreen is provided, use it in windy or dusty conditions.
- Батареяны алмаштыруу: Дисплейде батареянын заряды аз калганын көрсөткөн индикатор пайда болгондо же эсептегич күйбөй калганда 9 В батареяны алмаштырыңыз.
8. Кыйынчылыктарды
| Көйгөй | Мүмкүн себеп | Чечим |
|---|---|---|
| Эсептегич күйбөйт. | Өлүк же туура эмес орнотулган батарея. | Батареянын полярдуулугун текшериңиз; жаңы 9V батарея менен алмаштырыңыз. |
| Экранда "OL" көрсөтүлөт. | Input sound level is out of range (Overload). | Move the meter further away from the sound source or reduce the sound level if possible. |
| Туура эмес окуулар. | Microphone obstructed, strong wind, or environmental interference. | Ensure microphone is clear. Use windscreen in windy conditions. Minimize other noise sources. |
| Display freezes or is unresponsive. | Hold function is active or temporary software glitch. | Press the "HOLD" button to deactivate. If still frozen, remove and reinsert battery to reset. |
9. Кепилдик жана колдоо
Specific warranty information for the mLabs HT-80A Digital Sound Level Meter is not provided in this manual. Please refer to the product packaging or contact mLabs customer support for details regarding warranty coverage and technical assistance.
For further support, you may visit the mLabs official webсайтына кириңиз же сатып алууңуз менен берилген байланыш маалыматын колдонуп, алардын кардарларды тейлөө бөлүмүнө кайрылыңыз.
