Digital Sound Level Meter, 30 to 130 dB

Buy a device for measuring sound online, with a measuring range of 30 to 130 decibels, with recording function, high reliability, good stability, wide dynamic range, and no range conversion, it is an ideal digital sound level meter for measuring industrial noise.
SKU: SISCO-SLM-5636-4
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$2,689.59
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Overview


2 class sound level meter measures noise in the range of 30 to 130 decibels, digital signal processing, strong stability, can be widely used in industrial noise measurement of various machines, vehicles, ships, electrical appliances, etc., and can also be used for environmental noise measurement, labor protection, industrial hygiene, etc.

Sound level meter panel display

Digital Signal Processing Technology

  • Sound decibel meter meets Class II standards.
  • Adopt digital signal processing technology, good stability.
 
Sound level meter details

Overload indication function

  • Overload indication, over the measurement range automatically prompt, digital sound level meter is not damaged.
  • Single range, wide dynamic range, no need to switch, simple and convenient operation.

Applications

The sound level meter can be widely used in various machines, vehicles, ships, electrical appliances and other industrial noise measurement and environmental noise measurement, suitable for factory enterprises, architectural design, environmental protection, labor and health, transportation, teaching, medical and health, scientific research and other departments of the sound test field.

Sound level meter applications

Specs
Model SISCO-AWA-5636-4
Microphone Model AWA14421B
Measuring Range 40 dB(A)~130 dB(A)
Frequency Range 20 Hz~12.5 kHz
Frequency Weighting Parallel (simultaneous) A, C, Z for each channel
Time Weighting Parallel (simultaneous) F, S, Peak for each channel
Monitor Three and a half LCD
Output Interface AC, DC, PWM, RS232, Bluetooth (Optional)
Main Measurement Index Lp, Leqt, Lpeak, Leq, T, Lmax, Lmin, SEL, Lex8h, LAVG, TWA, DOSE, Ln (n=5, 10, 50, 90, 95), SD, E
Power Supply 4 (7#) alkaline batteries, can work continuously for more than 10 hours, optional lithium battery: after fully charged, can work continuously for more than 24 hours, can be connected to an external 5 V power supply, working current <90 mA
Filter Selection 1/1 OCT
Data Storage Function 8000 Groups
Recording Function Optional
Overrun Indication Limit can be set
Dimension 190mm x 68mm x 27mm
Weight 1.5 kg
Operating Temperature -10 ℃~50 ℃
Warranty 12 Months
FAQs

Q1: What is a noise detector?
A1:  Noise tester is an instrument used for noise detection and testing in public places such as work sites and squares. Factory noise monitoring Noise pollution is one of the environmental pollutions that have a greater impact. Higher decibel noise can even cause serious damage to people's eardrums and cause deafness. The application of the noise tester can provide the decibel that the noise reaches in order to take relevant measures to control and reduce the noise. The measurement unit of the sound level is decibels. The professional noise tester has a highly sensitive sensor, high accuracy, and a wide range of applications. It can be widely used for noise measurement in various environments. Sound level measuring instrument, collectively referred to as sound level meter.

Q2: Sound level meter working principle
A2: The sound level meter uses a microphone to convert the sound into an electrical signal, and then a preamplifier converts the impedance to match the microphone with the attenuator. The amplifier adds the output signal to the weighting network, performs frequency weighting on the signal (or an external filter), and then amplifies the signal to a certain amplitude through the attenuator and amplifier, and sends it to the effective value detector (or external press Level recorder), give the value of the noise level on the indicator head.

Q3: How big is the decibel scale?
A3: Sound is measured in decibels (dB). Whispering is about 30 decibels, normal conversation is about 60 decibels, and motorcycle engines run at about 95 decibels. Noise above 70 decibels for long periods of time may begin to damage your hearing. Loud noises above 120 dB can cause immediate damage to your ears.

Tips: What are the reasons for the large deviation of the calibrator calibration sound level meter?

  1. Breakage of microphone diaphragm and water ingress.
  2. Calibration interface calibration value being modified by more than 3 dB.
  3. The noise meter and microphone size and type do not match and have not been adjusted.
  4. The calibration display value is saved before the calibrator is stabilized.

 

Warranty

Thank you for buying industrial test and measurement equipment on sisco.com, all products sold by sisco and the partner cover a 12 months warranty, effective from the date of receiving the products.


What is covered?

sisco is responsible for providing free spare parts, and free technical support to assist the customer to repair the defective products until the problem is solved.


What is not covered?

  • Product purchased from anyone other than a sisco store or a sisco authorized reseller.
  • Expendable parts.
  • Routine cleaning or normal cosmetic and mechanical wear.
  • Damage from misuse, abuse or neglect.
  • Damage from use of parts other than sisco approved.
  • Damage from use outside the product’s usage or storage parameters.
  • Damage from use of parts not sold by sisco.
  • Damage from modification or incorporation into other products.
  • Damage from repair or replacement of warranted parts by a service provider other than a sisco authorized service provider.
  • Damage caused by the application environment not meeting the product usage requirements and the failure to perform preventive maintenance.
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