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Integrating sound level meter - SL-4001
The SL4001 is a digital sound level meter. The meter can be used easily. The device is made of a 35 to 130 dB cover with an LCD display. To have an accurate checking of safety regulations and acoustic analysis, the device have an A and C frequency weightings. It has a fast or slow response maximum hold function. The device also has an internal calibration system.The device consists of an 18-mm LCD, with 3 1/2 digits. The resolution of the device is 0.1 dB. This component's frequency of the device ranges from 31.5 Hz to 8 kHz. ItsAC output is 0.5 Vrms, while the DC output is 10 mV/dB. The battery has a 9 V PP3. Accuracy depends on the frequency weighting of the device.