Professional and versatile Benetech sound level meter – precise sound intensity meter

The digital noise meter has been developed to meet the highest safety and measurement accuracy requirements necessary in industries such as engineering, medicine, or manufacturing. It is perfect for monitoring noise levels in factories, offices, workplaces, busy streets, and also in home environments. It can also be used to assess the sound quality of audio systems.

Main features of the device:

• Compliance with standards: Meets the requirements of IEC651 TYPE 2 and ANSI S1.4 TYPE 2 standards, ensuring precise and reliable measurements.
• Modernity and mobility: Compact design facilitates transport and use in any conditions.
• High accuracy: The device features an accuracy of ±1.5 dB.
• Wide measurement range: The range from 30dBA to 130dBA allows for use in many different environments.
• MAX Hold function: Allows for the maximum measured noise value to be held for easier result analysis.
• Correction filters: Equipped with A and C type filters, allowing for noise measurement according to the sensitivity of the human ear and noise generated by machines.
• Two operating modes: Fast and slow modes allow for precise adjustment to different types of measurements.
• Measurement limit adjustment: Ability to change ranges tailored to the user's specific requirements.
• AC and DC outputs: Allow connection of devices such as frequency recorders, FFT analyzers, or graphic recorders.

The Benetech sound level meter is an indispensable tool for professionals, combining modernity, precision, and functionality, meeting the needs in many industries.

Contents of the sound level meter set

The Benetech sound level meter is supplied in a complete set, allowing full use of its functions right after purchase.

The set includes:

• Sound level meter with high measurement precision,

• Acoustic interference absorbing sponge,

• Handy case for easy transport and storage,

• Set of batteries 4 x 1.5V AA (alkaline),

• User manual in Polish,

• Original packaging ensuring safety during transport.

The device is factory calibrated, ensuring its readiness for use immediately after unpacking. Additionally, it is equipped with a potentiometer that allows for self-calibration if necessary. The calibration process can be carried out using a standard acoustic calibrator, as described in detail in the attached user manual.

The Benetech sound level meter is a versatile tool for professionals, guaranteeing precise measurements and reliability in daily work.

Technical parameters of the sound intensity meter

The sound level meter is a precise device for measuring sound intensity, equipped with advanced technical features that ensure accuracy and reliability in various applications.

Detailed technical data:

• Measurement range: 30~130dBA, 35~130dBC
• Accuracy: ±1.5 dB
• Frequency range: from 31.5 Hz to 8.5 kHz
• Measurement levels: 30~80, 50~100, 60~110, 80~130, 30~130dB
• Linearity (dynamic range): 50 dB / 100 dB
• Correction filters: A and C
• Display: 4-line, with a precise measurement scale
• Measurement resolution: 0.1 dB
• Sampling frequency: 2 times per second
• Graphic scale: 50 dB range with divisions every 1 dB
• Overrange indicators: OVER (too high level), UNDER (too low level)
• AC output: 0.707 Vrms at approximately 600 ohms resistance
• DC output: 10 mV/dB at approximately 100 ohms resistance
• Measurement modes: fast (FAST) and slow (SLOW)
• Microphone: electret condenser with a diameter of 1/2 inch
• Power supply: 4 alkaline AA 1.5 V batteries or DC power supply 6V 100 mA (max. DC 9V)
• Battery life: up to 30 hours using alkaline batteries
• Self-calibration time: 3 seconds
• Operating conditions: temperature 0

  40℃, humidity 10

  80% RH

• Storage conditions: temperature -10

  60℃, humidity 10

  70% RH

• Weight: 308 g (with batteries)
• Device dimensions: 256 x 70 x 35 mm

The sound level meter is perfect for both professional applications and everyday measurements in various environments. With its compact dimensions and precise parameters, it is an ideal tool for engineers, acousticians, and occupational safety specialists.

DESCRIPTION OF DISPLAY ELEMENTS:

1. Level range.
2. Below range.
3. Low battery indicator.
4. Hold maximum read value.
5. Measurement value.
6. Measurement unit.
7. A/C filter.
8. Graphic chart.
9. Above range.
10. Slow measurement mode.
11. Fast measurement mode.

DESCRIPTION OF BUTTONS AND ELEMENTS OF THE SOUND LEVEL METER:

1. Electret condenser microphone.
2. LCD display.
3. Power on/off button.
4. Level range switch: 30dB~80dB; 50dB~100dB; 60dB~110dB; 80dB~130dB; 30~130dB.
5. Maximum measurement value hold button.
6. Filter selection switch:

   - A: A filter for general sound intensity level measurement.

   - C: C filter for checking low-frequency noise.

7. Measurement speed switch:

   - FAST: for normal sound measurement.

   - SLOW: for checking average noise level fluctuations.

8. AC output: 0.707 Vrms at approximately 600 Ω resistance.
9. DC output: 10mV/dB at approximately 100 Ω resistance.
10. Calibration switch.
11. DC 6V external power supply connector.
12. Tripod mounting screw.
13. Windshield.

BENETECH is a manufacturer of professional measuring and control devices.

All products meet high quality standards and undergo thorough inspection before shipment. As a result, BENETECH products are highly sought after in the market and are recognized as reliable and high-quality, while being offered at an affordable price.