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Universally deployable digital meter used to determine the sound level of any number of acoustic sources across a wide sound range. Device is housed in a robust plastic casing with integrated calibration signal and large LCD display for easy reading of measured values. Includes range selection switch and maximum hold function. There are two evaluation levels (A and C) available for the frequency. The measurement in the A-range is oriented on the human ear and is particularly well suited for measurements out in the open, while the C-range is designed for measurements of motor noise. The device’s response time can be adjusted between fast and slow. The slow mode brings about attenuation of the measurement i.e. the measured value displayed corresponds to the average sound level. Fast mode is used to measure brief noise sequences and to determine the maximum noise level. Furthermore, the device also offers the option of connecting an external measuring instrument (e.g. for compiling and printing out measurement sequences) via an analogue output (phone jack). On the underside of the sound level meter there is a drill hole for attaching to a stand. Supplied in a foam-lined portable bag.

Measurement range: 35 – 130 dB
Resolution: 0.1 dB
Accuracy: ±3.5 dB at 94 dB (1kHz)
Display: 3½-digit LCD display
Digit height: 17 mm
Microphone: Electret capacitor micorphone
Power supply: 9 V block-type battery
Dimensions: 251x64x40 mm³ approx.
Weight: 250 g approx.

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