Voltcraft SL-451 Digital Sound Level Meter User Manual

Okwu mmalite

The Voltcraft SL-451 is a digital sound level meter designed for precise noise measurement and data logging. This device complies with IEC 61672-1 Class 2 standards, making it suitable for various professional applications. It features a robust housing with injected rubber protection, ensuring durability in challenging environments. The integrated data logger can store up to 32,000 measurements, which can be transferred to a PC via a USB interface for detailed analysis using the included software. An extendable microphone cable allows for flexible measurement in hard-to-reach areas.

Ntuziaka nchekwa

Please read these safety instructions carefully before operating the device to ensure safe and proper use.

• Ewepụla ngwaọrụ ahụ na oke okpomọkụ, ìhè anyanwụ kpọmkwem, ma ọ bụ oke iru mmiri.
• Avoid strong vibrations or mechanical shocks.
• Do not open the device housing; refer servicing to qualified personnel.
• Jiri naanị ọkọnọ ike na ngwa ngwa akọwapụtara.
• Debe ngwaọrụ ahụ ka ụmụaka ghara iru ya.
• Ensure the microphone is clean and free from obstructions for accurate readings.

Ihe ngwugwu

Chọpụta na ihe niile dị mgbe ị na-ebupụ:

• Voltcraft SL-451 Digital Sound Level Meter
• Microphone extension cable (3 meters)
• eriri USB
• CD software PC
• Ihe nkwụnye ọkụ
• Na-ebu akpa
• Akwụkwọ ntuziaka onye ọrụ

Ngwaọrụ agwụlaview

Familiarize yourself with the main components of the SL-451.

• Igwe okwu: For sound detection.
• Ngosipụta LCD: Shows measurement values, settings, and status indicators.
• bọtịnụ njikwa: For power, mode selection, data hold, and other functions.
• Ọdụ ụgbọ mmiri USB: For PC connection and data transfer.
• Ntinye ike: Maka ike mpụga.
• Akụkụ batrị: For battery installation.

Melite

1. Ịkwanye ngwaọrụ

The SL-451 can be powered by batteries or an external power adapter.

Nwụnye batrị:

1. Mepee mkpuchi mkpuchi batrị n'azụ ngwaọrụ.
2. Insert the required batteries, observing correct polarity.
3. Mechie mkpuchi nke batrị batrị nke ọma.

Ike Mpụga:

Connect the provided power adapter to the device's power input and then to a suitable power outlet.

2. Njikọ igwe okwu

The device comes with a detachable microphone and an extension cable.

• For direct use, ensure the microphone is securely attached to the main unit.
• For remote measurements, connect the microphone to one end of the 3-meter extension cable and the other end of the cable to the device's microphone input.
• Always use the foam windscreen on the microphone to minimize wind noise interference.

3. Software Installation (for Data Logging)

To utilize the data logging and analysis features, install the provided PC software.

1. Insert the software CD into your computer's CD/DVD drive.
2. Soro ntuziaka na ihuenyo ka ịwụnye ngwanrọ.
3. After installation, connect the SL-451 to your computer using the supplied USB cable.
4. The software should automatically detect the device. If not, refer to the software's help documentation for troubleshooting connection issues.

Ntuziaka ọrụ

1. Nha Isi

1. Pịa IKE bọtịnụ iji gbanye ngwaọrụ.
2. The display will show the current sound level in decibels (dB).
3. Weighting (A/C): Jiri ihe A/C button to switch between A-weighting (for general noise measurement, mimicking human ear response) and C-weighting (for measuring peak sound pressure levels).
4. Response Time (FAST/SLOW): Jiri ihe Ọsọ/obere button to select the desired response time. Fast response is suitable for rapidly changing noise, while slow response is for more stable noise levels.
5. Nhọrọ oke: The device features an automatic range selection from 30 to 130 dB. Manual range adjustment may also be available depending on the model's specific firmware.
6. MAX/MIN Hold: Pịa MAX/MIN button to display the maximum or minimum sound level recorded during a measurement session. Press again to cycle through modes or exit.
7. Jide data: Pịa Jide bọtịnụ iji mee ka ihe dị ugbu a dị na ngosipụta ahụ gbụchie. Pịa ọzọ ka ọ hapụ.

2. Ndekọ data

The SL-451 can record up to 32,000 measurements.

1. Gbaa mbọ hụ na agbanyere ngwaọrụ ahụ.
2. Pịa REC button to start data logging. The "REC" indicator will appear on the display.
3. Pịa REC bọtịnụ ọzọ ka ịkwụsị ịdebanye aha.
4. To retrieve logged data, connect the device to a PC using the USB cable and open the installed software.
5. Follow the software instructions to download, view, and analyze the recorded measurements. The software supports analysis according to standards like DIN 15905-5.

3. nhazi nhazi

For accurate measurements, periodic calibration is recommended. The device is calibratable.

• Use a standard sound calibrator (e.g., Voltcraft SLC-100, if available) to perform calibration.
• Refer to the specific instructions provided with your calibrator and the SL-451's detailed manual for the calibration procedure.
• Incorrect calibration can lead to inaccurate readings.

Nlekọta

Nhicha:

• Jiri akwa dị nro hichaa ngwaọrụ ahụ.
• Ejila ihe nchacha abrasive ma ọ bụ ihe mgbaze.
• Keep the microphone clean and free of dust or debris.

Nchekwa:

• Mgbe a naghị eji ya ruo ogologo oge, wepụ batrị ndị ahụ iji gbochie mmiri ịpụ apụ.
• Store the device in its carrying case in a cool, dry place.

Ngbanwe batrị:

Replace batteries when the low battery indicator appears on the display to ensure continuous operation and accurate readings.

Nchọpụta nsogbu

Nkọwapụta

Akwụkwọ ikike na nkwado

Voltcraft products are designed for reliability and performance. This device comes with a standard warranty as per local regulations. For specific warranty terms and conditions, please refer to the documentation included with your purchase or visit the official Voltcraft websaịtị.

Nnweta akụkụ mapụtara: Spare parts are available for 1 year from the date of purchase.

For technical support, troubleshooting assistance beyond this manual, or service inquiries, please contact Voltcraft customer service or your authorized dealer. Contact information can typically be found on the manufacturer's websaịtị ma ọ bụ na nkwakọ ngwaahịa gị.