Bruel & Kjaer 4220 Pistonphone acustic calibrator

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Pistonphone 4220 is a portable, battery operated instrument for calibrating sound level meters and measuring sets. Sound level 124 dB compared to 20 uPa with individual calibration. Accuracy +/-0.2dB. Frequency 250 Hz +/-1% sinusoidal. Sold alone or in a container with optional accessories. First version: Last version: Used with ... (Read the full Tiiip)

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"Pistonphone 4220 documentation" about Bruel & Kjaer 4220 Pistonphone acustic calibrator Review Consensus 8
by Al222 (18923 pt)

2020-Oct-17 16:58

Manuals: https://www.manualslib.com/manual/1649195/Bruel-And-Kjaer-4220.html Instructions and applications: https://www.rosenkranz-elektronik.com/userUpload/pdf/bk_4220_datasheet.pdf https://www.o ...

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