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How we calibrate
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Measurement workflow for appliance noise
Nor850 Appliance Noise implements a workflow tailored to standardized test procedures, covering all stages from setup to reporting:
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Test configuration according to device type and operating conditions (pressure, flow rate, operating mode)
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Data acquisition using 1/1 or 1/3 octave band analysis within the relevant frequency range
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Execution of standardized test sequences under multiple operating conditions
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Automatic processing of results, including averaging across samples and test conditions
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Generation of test reports in accordance with applicable standards
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Integrated within the Nor850 system
Nor850 Appliance Noise integrates with Norsonic hardware, including multi-channel systems and sensors for acquiring additional physical parameters such as pressure, flow and temperature.
The system combines measurement control, data acquisition and result evaluation in a single environment tailored to laboratory testing.
Advanced capabilities with Nor850 Appliance Noise
Nor850 includes features specifically designed for appliance noise testing in accordance with ISO 3822:
- Configuration of test procedures with multiple operating modes (fully open, mixed flow, different pressure levels)
Execution of repeated measurements across multiple samples and test conditions - Comparison of measured noise with a reference standard (Installation Noise Standard) to ensure inter-laboratory consistency
- Automatic processing of results with calculation of averaged values for each condition and product type
- Integration of additional test parameters such as pressure, flow rate and temperature for complete documentation
- Automation of measurement sequences using a scheduler to improve repeatability and reduce operator influence
- Generation of structured reports for documentation and validation purposes
Flexible configuration
Nor850 can be used as a complete solution for appliance noise testing or integrated into broader test systems:
Complete solution for measurement, analysis and reporting in accordance with ISO 3822
Adaptable to different types of hydraulic devices and laboratory setups
Scalable depending on the number of channels and additional parameters to be recorded
Environmental noise
Reliable noise monitoring with sound level meter, stand-alone terminals or large-scale systems.
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Building acoustic
Building acoustic is about the sound that travels between rooms - something you'd rather avoid.
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