The Sper Scientific Mini Sound Meter is packed with features, yet is small and light enough to fit in your shirt pocket.
Choose from fast or slow time weightings, min/max readings and A or C decibel frequency weighting scales. All of these settings are simultaneously displayed on a large 1¼” backlit display. Also features hold, and auto-power off. Readings are extremely stable and reliable. Auto-ranging 30 to 130 dB (A) with 0.1 dB resolution and an accuracy of ±1.5 dB (Ref. 94 dB @1 KHz). The Sper Scientific Mini Sound Meter comes ready to use with a windscreen, instructions and 9V battery. N.I.S.T. Traceable Certificate of Calibration available.Can be calibrated using Acoustical Calibrator 850016.
Dimensions: 8" × 2⅛" × 1½" (203 × 54 × 38 mm)
Weight: 5.8 oz (164 g)

*Certification Option
Specifications
| Range: | Resolution: | Accuracy: |
|---|---|---|
| dynamic range: 50 dB auto-ranging: 30 to 130 dB 30 to 130 dBA 35 to 130 dBC |
0.1 dB | ±1.5 dB |