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
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
Accuracy: ±3dB, calibrated at 23±5℃ ambient temperature, frequency weighting conforms to IEC 61672 type 2 standard, calibrated at input signal of 94dB (1kHz)
Frequency Range: 20Hz to 12.5kHz
Response Time: 200ms, time response simulates human ear response
Calibrator: For 4231 multifunctional sound calibrator
Microphone: Electret Microphone
Directivity: Omnidirectional
Microphone Size: 0.5 inch
Load Capacity: Impedance ≤350Ω for current output when powered by DC12V, ≤900Ω for current output when powered by DC24V, impedance ≥1KΩ for voltage output
Maximum Power Consumption: 500mW
Material: Aluminum Alloy
Working Environment: Temperature -40℃-80℃, Humidity: ≤100%RH non condensing
Protecting Level: IP55
Troubleshooting:
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.
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
1. Please check whether the package is intact, check whether the model is consistent with the selection;
2. Do not connect the wires with power on, only power on after checking the connections are correct;
3. Sensor cable length will affect the output signal, do not change the product at will when using;
4. 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.
Products received faulty, damaged, or not as described are eligible for a return, refund, or replacement in accordance with local consumer laws. We are committed to ensuring all products meet the standards of quality and reliability expected by our customers. Please note that we do not accept returns or provide refunds for change of mind. We encourage you to carefully consider your purchase to ensure it meets your needs and expectations.
Delivery & returns: ships from Australian warehouses, usually within 5–12 business days. A few very remote postcodes can’t be reached by our couriers — if yours is one, we’ll contact you before dispatch. Faulty or damaged items are covered under the Australian Consumer Law.
