01MONITORING & TESTING
Precision in every decibel
A compact instrument of quiet precision, this sensor sits unobtrusively within complex environments, capturing the full spectrum of ambient sound without intrusion.
Designed for industrial and environmental monitoring, it offers stable digital readings that suit engineers, researchers, and facility managers seeking reliable data.
02MATERIALS
Durable aluminum alloy construction
The housing is crafted from high-strength aluminum alloy, providing a lightweight yet robust frame that resists oxidation and maintains its shape over time. This material choice ensures the device remains functional in harsh conditions, offering a tactile solidity that suggests long-term reliability.
04DESIGN
Omnidirectional capture capability
Equipped with a 0.5-inch electret microphone featuring an omnidirectional design, the sensor captures audio from all angles simultaneously. This comprehensive approach ensures no directional bias, making it ideal for measuring complex noise sources where sound originates from multiple directions at once.
05DETAILS
Precise technical specifications
The unit operates on DC 5V power and provides a 0-2.5V output signal. Its frequency response spans 20Hz to 12.5kHz, with a 200ms response time that simulates human ear perception. The IP55 protective level adds further resilience against dust and water splashes, ensuring dependable operation in varied settings.
06AT A GLANCE
The key points
- Aluminum alloy housing resists oxidation and deformation
- Omnidirectional 0.5 inch electret microphone
- Measures 30 to 130dB(A) with 0.1dB resolution
- DC 5V power supply with 0-2.5V output
07
Highlights
- 1, Accurate and Reliable
- This noise sensor is a digital, modular multifunctional sound level meter with a measurement range of 30-130dB(A), with -38±3dB (or 12.6mv/Pa) sensitivity, providing reliable noise measurement 2, Product Advantages: The noise transducer adopts digital signal processing chip and digital detection technology, which has the advantages of high reliability and stability, wide dynamic range, and no need for range conversion 3, Omnidirectional Microphone: This noise sensor uses 0.5 inch electret microphone with omnidirectional design to catch sound from all directions, ensuring comprehensive noise measurement, ideal for various complex environments 4, Wide Application: This noise level transducer is widely applicable for measuring various industrial noise including machines, vehicles, ships, electrical appliances, and also for measuring environmental noise and labor protecting 5, Aluminum Alloy Case: This sound level sensor is made of excellent aluminum alloy, with high strength, oxidation resisting, light weight, and has no deformation, with IP55 protective level, making it suitable for various harsh environments
- Accuracy
- ±3dB, calibrated at 23±5℃ ambient temperature, frequency weighting conforms to IEC 61672 type 2 standard, calibrated at input signal of 94dB (1kHz)
- Response Time
- 200ms, time response simulates human ear response
- Calibrator
- For 4231 multifunctional sound calibrator
- Load Capacity
- Impedance ≤350Ω for current output when powered by DC12V, ≤900Ω for current output when powered by DC24V, impedance ≥1KΩ for voltage output
- Working Environment
- Temperature -40℃-80℃, Humidity: ≤100%RH non condensing
About this product
The meter displays incorrect values at output. The correct data cannot be obtained because the cable connection is faulty or the comm serial port is faulty. Check whether the cable connection is correct and secure, whether the serial port is occupied, and whether the serial port Settings are correct.
Please check whether the package is intact, check whether the model is consistent with the selection;
Do not connect the wires with power on, only power on after checking the connections are correct;
Sensor cable length will affect the output signal, do not change the product at will when using;
The sensor is a precise device. Please do not disassemble or close to the surface of the sensor with incisive objects or erosion liquids to avoid damaging the product.
Specification
Item Type: Noise Sensor
Length: Approx. 292mm / 11.5in
Power Supply: DC 5V
Measurement Range: 30-130dB (A)
Sensitivity: -38±3dB (or 12.6mv/Pa)
Resolution: 0.1dB
Frequency Range: 20Hz to 12.5kHz
Microphone: Electret Microphone
Directivity: Omnidirectional
Microphone Size: 0.5 inch
Maximum Power Consumption: 500mW
Material: Aluminum Alloy
Protecting Level: IP55
Troubleshooting:
Red Wire: Power Positive Pole
Black Wire: Power Negative Pole
Yellow Wire: Signal
Weight: Approx. 418g / 14.7oz
Package List
1 x Noise Sensor
1 x Cable
1 x User Manual
Note
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