Sound Level Meter

Nor1227 Free-field microphone

Nor1227 Free-field microphone image Nor1227 Free-field microphone image Nor1227 Free-field microphone image Nor1227 Free-field microphone image

Nor1227 is a ½” free-field, high sensitivity self-polarised microphone for use in applications where environmental or safety considerations do not permit the use of 200-volt polarisation supplies, or as a general IEC 61672 Class 1 microphone in sound level meters with no polarisation voltage.

Overview

Nor1227 is a ½” free-field, high sensitivity self-polarised microphone for use in applications where environmental or safety considerations do not permit the use of 200-volt polarisation supplies, or as a general IEC 61672 Class 1 microphone in sound level meters with no polarisation voltage.

Applications & Uses

How It Works

Nor1227 Free-field microphone integrates into standard workflows for sound level meter. We can pre-define checklists, field verification, and reporting aligned to your governing standard.

FAQ

Is the system Class 1 compliant?
Yes, the Nor1545 uses a Class 1 measurement chain and supports traceable field verification.
Can I monitor remotely?
Yes. Secure 4G/LTE enables remote access, alarms, configuration, and data retrieval.
Which software is included?
Use NorCloud for fleet management and NorReview for advanced analysis and reporting.
Next step: Select the right analyzer

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