Digital Sound Level Meter

Digital-Display Sound-Level Meter
Model: 33-2055

Technical  Specifications:

·      Microphone type: Electret Condenser

·      Range: 50 - 126 dB

·      Accuracy: ± 2 dB @ 114 dB

·      Reference 0 dB = 0.0002 MicroBar

·      Weighting: A and C (see footnote)

·      Signal output: 1 Volt (peak-peak min.)

·      Impedance: 10 kOhms (min. load)

·      Distortion: Less than 2% at 1 kHz.

·      Power: 9 Volts battery

·      Size (approx): (H x W x D): 6" x 2" x 2" - 159 x 64 x 44 mm

·      Weight: 5.8 oz - 165 grams

Footnote:

The A-weighting takes into account the typical human ear response, reducing the frequency response of the meter to the 500 - 10,000 Hz range, where our ears are mostly sensitive, while the C-weighting measures the whole range from 32 to 10,000 Hz.

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