کالیبراتور صوتی برای صدا سنج ها DOSTMANN
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Measured physical value: acoustic
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Other characteristics: digital
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Precision class: class 2
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Type: basic
Measured physical value: acoustic
Other characteristics: digital
Precision class: class 2
Type: basic
Measured physical value: acoustic
Other characteristics: digital
Precision class: class 2
Type: basic