2-Pt. Acoustical Calibrator - Class 2 RKIN Planting Depth: Variable

Planting Depth: Variable

Simply adjust the blade to a steep angle to remove vinyl

Product Description: The set of adhesive zippers are often used in environments like workshops and greenhouses where rooms are partitioned by plastic sheets

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2-Pt. Acoustical Calibrator - Class 2 RKIN Planting Depth: VariableFor calibration of all Sper Scientific digital sound meters or any sound level meter with 1 or microphone. Conforms to ANSI S1. 40 1984 and IEC942 1988 Class 2 standards for acoustical calibrators. Simply place the calibrator on to the digital sound meters microphone, turn on the calibrator, and adjust the decibel meters reading to either 94 or 114 dB. Operates at a frequency of 1KHz 4% and with an accuracy of 0. 5 dB. Built in battery check. Easily