1. Уводзіны
This manual provides comprehensive instructions for the operation and maintenance of the Sper Scientific 850015 Graphic Display Sound Meter. This precision instrument is designed for accurate sound level measurements and complies with industry standards ANSI S1.4 Type 2 and IEC 61672-1 Class 2.
The device features a clear graphic display, selectable A and C decibel frequency weighting scales, minimum/maximum value tracking, and adjustable fast or slow response times. It also includes AC and DC output capabilities for external recording or analysis.
Figure 1: Sper Scientific 850015 Graphic Display Sound Meter. This image shows the front view of the sound meter, highlighting its display and control buttons.
2. Змесціва ўпакоўкі
Пасля адкрыцця ўпакоўкі пераканайцеся, што ўсе пералічаныя ніжэй прадметы наяўныя і знаходзяцца ў добрым стане:
- Sper Scientific 850015 Graphic Display Sound Meter
- Лабавое шкло
- Акумулятар 9В
- Інструкцыя па эксплуатацыі (гэты дакумент)
- Foam-lined Hard Shell Carrying Case
Figure 2: The Sper Scientific 850015 Sound Meter shown within its protective foam-lined hard shell carrying case, alongside the included 9V battery and instruction manual.
3. Усталёўка і ўстаноўка батарэі
The Sper Scientific 850015 comes with a 9V battery included. Follow these steps to install or replace the battery:
- Знайдзіце вечка батарэйнага адсека на задняй панэлі прылады.
- Зрушыце або адшчэпіце вечка, каб адкрыць адсек.
- Падключыце батарэйку 9 В да клеммы, сачыце за правільнай палярнасцю.
- Place the battery into the compartment and replace the cover, securing it firmly.
- Attach the windscreen to the microphone at the top of the meter. This helps reduce wind noise during measurements.
4. Інструкцыя па эксплуатацыі
Familiarize yourself with the device's controls and display before operation.
Figure 3: The Sper Scientific 850015 Sound Meter being held, demonstrating its ergonomic design and ease of use.
4.1. Уключэнне/выключэнне харчавання
- Націсніце Магутнасць button (usually marked with "I" or a power symbol) to turn the meter on.
- Націсніце і ўтрымлівайце Магутнасць button for a few seconds to turn the meter off.
- The meter features an auto-power-off function to conserve battery life.
4.2. A/C Weighting Selection
- Націсніце Кандыцыянер button to toggle between A-weighting and C-weighting.
- А-ўзважванне (dBA) is commonly used for environmental noise measurements and approximates the human ear's response.
- С-узважванне (dBC) provides a flatter response, suitable for measuring peak sound levels or noise from machinery.
4.3. Fast/Slow Response Time
- Націсніце ХУТКА/ПАВОЛЬНА button to select the desired response time.
- ХУТКА response (125 ms) is suitable for capturing rapidly changing noise levels.
- ПАВОЛЬНА response (1 second) provides an averaged reading for more stable noise sources.
4.4. MIN/MAX Function
- Націсніце MIN / MAX button to activate the minimum/maximum hold function.
- The display will show the highest (MAX) or lowest (MIN) sound level recorded since the function was activated.
- Press the button again to cycle through MAX, MIN, and normal measurement modes.
4.5. AC/DC Output
The meter provides AC and DC output jacks for connecting to external devices such as chart recorders, data loggers, or sound analysis equipment. Refer to the specifications section for output voltagэлектронныя дэталі.
5. Maintenance and Calibration
5.1. Уборка
To ensure optimal performance and longevity, keep the meter clean. Wipe the exterior with a soft, dry cloth. Do not use abrasive cleaners or solvents. Ensure the microphone is free from dust and debris.
5.2. Замена батарэі
When the low battery indicator appears on the display, replace the 9V battery as described in the "Setup and Battery Installation" section. Always dispose of used batteries responsibly.
5.3. Каліброўка
For applications requiring high accuracy or regulatory compliance, periodic calibration is recommended. The Sper Scientific 850015 can be calibrated in compliance with OSHA standards using an optional Acoustical Calibrator (Model 850016). A N.I.S.T. traceable certificate of calibration is also available from Sper Scientific.
6. Выпраўленне непаладак
If you encounter issues with your Sper Scientific 850015, refer to the following common problems and solutions:
| праблема | Магчымая прычына | Рашэнне |
|---|---|---|
| Прылада не ўключаецца. | Разраджаны або няправільна ўсталяваны акумулятар. | Check battery installation; replace with a fresh 9V battery. |
| Няправільныя або вагальныя паказанні. | Microphone obstructed, strong wind, or meter needs calibration. | Ensure windscreen is properly installed and microphone is clear. Avoid strong air currents. Consider calibration if readings remain inconsistent. |
| Display shows "LO BAT". | Нізкі зарад батарэі. | Неадкладна заменіце батарэйку 9 В. |
| No response from buttons. | Device frozen or battery issue. | Remove and reinsert the battery to reset the device. If problem persists, replace battery. |
7. Тэхнічныя характарыстыкі
The following table details the technical specifications for the Sper Scientific 850015 Graphic Display Sound Meter:
| Параметр | Каштоўнасць |
|---|---|
| Дыяпазон вымярэнняў | 30 to 130 dB (A & C scales) |
| дазвол | 0.1 дБ |
| Дакладнасць | ±1.4 dB (ref 94 dB @ 1KHz) |
| Узважванне частоты | А і С |
| Час водгуку | Fast (125 ms) / Slow (1 sec) |
| Выхад | Пераменны і пастаянны ток |
| Аўтаматычнае выключэнне | так |
| Індыкатар разраду батарэі | так |
| Адпаведнасць стандартам | ANSI S1.4 Type 2, IEC 61672-1 Class 2 |
| Памеры | 10¼" × 2¼" × 1" (258 × 55 × 25 mm) |
| Вага | 6.5 унцый (185 г) |
| Крыніца харчавання | 1 акумулятар 9 В (у камплекце) |
Figure 4: A visual representation of key specifications for the Sper Scientific 850015, including range, resolution, and accuracy.
8. Гарантыя і падтрымка
For information regarding product warranty, technical support, or service, please contact Sper Scientific directly. Their official website or the contact information provided with your purchase documentation will have the most up-to-date details.
вытворца: Sper Scientific
Webсайт: Sper Scientific Store on Amazon (агульная інфармацыя пра прадукт)