Product Introduction:
A noise sensor is a complex and precise device that can achieve precise measurement of sound. Adopting calibrators from foreign companies, with fast response time and high accuracy. It is mainly suitable for various occasions where noise is measured, such as dusty construction sites, road monitoring, and other environmental occasions.
Technical parameters:
Measurement range: Range: 30~130dB
Output: 485 output
Accuracy (23 ± 5 ℃): ±4dB
Frequency weighting complies with IEC 61672 type 2 standard and is calibrated under the condition of an input signal of 94dB (31.5Hz-8kHz).
Frequency range: 31.5Hz to 8kHz
Time response: Fast response: T=200ms. Time response simulates the time response of the human ear
Corrector: B&K (Bruel&kjaer), multifunctional sound calibrator, model: 4226
Microphone: Capacitor microphone
Microphone size: 0.5 inches
Range selection: 30~130dB
Maximum output impedance: 200 ohms
Power supply: DC 12V
Power loss: DC 12V: ≈ 20mW
Working temperature: 0-50 ℃ (32-122 ° F) Working humidity:<80% relative humidity