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Application
For regular calibration of noise level measuring instruments.
Execution
- Accuracy: ±0.5 dB in accordance with Class 2 according to IEC 60942
- Sound pressure level: 94 dB/114 dB, switchable
- Frequency: 1000 Hz
- Also suitable for 1/2 inch and 1 inch microphones from other brands
Select RAL-colour code
!! NOTE: On-screen visualisation of the colour differs from real colour shade!!