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Bruel & Kjaer 4220 Pistonphone acustic calibrator

19Consensus

9.5/10 · ExceptionalAverage expert rating

2Evaluations

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 microphones from 1" to 1/8".

Uses IEC R6 type batteries (AA)

Read the full TiiipWhere is this found?9 pts from Al222

Tiiips and reviews about this object

Bruel & Kjaer 4220 Pistonphone acustic calibrator

Pistonphone 4220 documentation

by Al222 (25124 pt) · 2020-Oct-17

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.opweb.de/italiano/societa/Br%C3%BCel_and_Kj%C3%A6r/4220

2020-Oct-17

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Object facts

Key information and links

BrandBruel & Kjaer

FunctionSound calibrator

I.C.Not available

Last update2020-10-17 15:09

Indicative price

450€

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