The Nor140 may be extended with a large selection of optional features, thereby allowing you to tailor the instrument to your specific requirements. Optional features may be ordered and installed at any time by just adding a new set of option codes.
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Option 0 |
LTmax5, LeqI and Leq measurements according to German Standards |
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1/1-octave real-time filters 0,5 - 16 000 Hz |
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Reference spectrum comparison (require option 1) |
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1/3-octave filter bands 0,4 - 20 000 Hz (require Option 1) |
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Statistical calculations |
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Parallel F, S, I time constants |
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Basic time profile mode |
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Enhanced time profile mode (require Option 6) |
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Sound recording (require Option 6) |
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Reverberation time calculation |
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Internal noise generator with white and pink noise (signal cables not included) |
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Complete building acoustic mode in accordance with ISO-10052 and ISO-140 series and sound insulation indexes calculated according to ISO-717/1 and ISO-7171/2 (require options; 1, 2, 3, 9 and 10) |
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Speech Transmission Index mode. Calculates the STIPA-value according to IEC60268-16.. Incl. CD with excitation signal (Nor1034) (require option 1) |
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FFT-mode |
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Survey sound power mode for LwA measurements according to ISO 3746 |
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Trigger for global measurement based on clock, threshold and external signal |
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Audiometer calibration |
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Extended measurement range with the normal microphone (150 dB peak) including self noise compensation |
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Option 19 |
Extended noise monitoring features such as repeatable read-out |