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Nor1225 microphone
Microphones/preamplifiers

Nor1225

Free-field microphone

Nor1225 is a ½” free-field measurement microphone with a sensitivity of 50 mV/Pa, designed for precise and reliable acoustic measurements.

This robust, general-purpose microphone covers the frequency range from 3.15 Hz to 20 kHz and meets Class 1 requirements of the IEC 61672 sound level meter standard.

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Specifications
Specifications

Cartridge size:  ½” inch
Main standard:  IEC 61672 Class 1
Polarisation voltage:  200 volt
IEC 61094-4 Designation: WS2F
Nominal sensitivity:  50 mV/Pa
Frequency response:  ±1dB 5 Hz – 10 kHz, ±3 dB 3.15 Hz – 20 kHz
Maximum SPL (3% dist): 146 dB 20µPa
Self noise:   15 dB(A)
Capacitance: 18 pF
Temperature coeff. (250 Hz): <-0.005 dB°C
Max. temperature: 150 °C
Static pressure coeff. (250 Hz):  -0.008 dB/kPa
Relative humidity coeff. (no condens.):  Not measurable dB/%

Diameter:  13.2 mm
Length:  16.2 mm
Weight:  6 g

Applications

What are you going to measure?

Environmental noise

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.

Room-acoustics

Room Acoustics

Room acoustics is about the sound quality in a room, for example in a concert hall.

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Sound Intensity

Measure sound level and direction, even in challenging acoustic environments.

Sound-Power

Sound Power

Sound Power is about how much sound energy a source emits per unit of time, measures in watts.

Noise at Work

Noise at Work

Noise measurement at the workplace for easy mapping and documentation of noise levels

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Norsonic AS, Gunnersbråtan 2
N-3409 Tranby, Norway

+47 32 85 89 00
info@norsonic.com

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