Measurement Microphones

Accurate. Flexible. Valuable.

Class 1 - Certified Precision Microphone
Cost-effective Class 2 Microphone
Outdoor Measurement Microphone

The measurement microphones are optimized for a flat, free-field response in the frequency range 5 Hz - 20 kHz. Models for acoustic measurements of up to 155 dB are available.

All microphones are omni-directional and 48V phantom powered. The Sound Level Meter microphones include an electronic data sheet. The Automated Sensor Detection (ASD) of the Analyzer automatically reads this data sheet, and recognizes the microphone model, sensitivity and calibration data. This ensures accurate measurement results.

At a glance

Omni-directional, free-field microphone
Phantom power 48 VDC
Frequency range 5 Hz - 20 kHz

Overview Measurement Microphones

Type	Classification with XL2 IEC 61672 ANSI S1.4	Microphone Capsule	Dynamic range [dB]	Typical Applications
M2230	Class 1 / Type 1 Certified	1/2" detachable	16-137	Noise Measurements Building Acoustics Legal Applications
M2340	Class 1 / Type 1 Certified	1/2" detachable	17-138	Noise Monitoring with system self-test (CIC) Legal Applications
M2211	Frequency Response Class 1 / Type 1	1/2" detachable	21-144	Noise Measurements Cinema Calibration PA Rental
M2215	Frequency Response Class 1 / Type 1	1/2" detachable	25-153	High Level Noise Measurements
M4261	Class 2 / Type 2	1/4" fixed	27-146	Live Sound Installations Broadcast Occupational Health
M2914	Frequency Response Class 1 / Type 1	1/2"	6.5-100	Low Noise Measurement
M2010	Frequency Response Class 1 / Type 1	1/2" detachable	24-145	Industrial Manufacturing Quality Control R&D
M2015	Frequency Response Class 1 / Type 1	1/2" detachable	34-155	Industrial Manufacturing Quality Control High Level Measurements

Overview Outdoor Measurement Microphones

Type	Classification with XL2 IEC 61672 ANSI S1.4	Microphone Capsule	Dynamic range [dB]	Typical Applications
M2230-WP	Class 1 / Type 1 Certified	1/2" detachable	16-137	Outdoor Noise Monitoring
M2340-WP	Class 1 / Type 1 Certified	1/2" detachable	17-138	Outdoor Noise Monitoring with system self-test (CIC)
M4261-WP	Class 2 / Type 2	1/4" fixed	27-146	Outdoor Noise Monitoring Live Sound

Measurement Microphones for the XL2 / XL3 Sound Level Meter

The microphones are 48V phantom powered and include an electronic data sheet. The Automated Sensor Detection (ASD) of the Analyzer automatically reads this data, i.e. the microphone model and calibration data. This promotes faster setup and ensures accurate measurements.

The microphone bodies contain the preamplifier. They combine high dynamic range and wide frequency range with low noise. These measurement microphones connect via the ASD Cable to the Sound Level Meter e.g. for measurements at remote locations or to reduce acoustic reflections. The types M2230, M2211 and M2215 are formed by a combination of preamplifier MA220 and a dedicated microphone capsule. The M2340 is formed by the preamplifier MA230 and the microphone capsule.

Features:

Omni-directional, free-field microphone
Phantom power 48 VDC
Electronic data sheet installed
Frequency range 5 Hz - 20 kHz
Individual frequency response available as Excel-data
Optional calibration certificate

Outdoor Measurement Microphone

The Outdoor Measurement Microphones offer a weather-protected measurement solution for the Sound Level Meter allowing acquisition of environmental noise data in outdoor applications. The corrosion-free polymer housing, wind screen, waterrepellent membrane and bird spike provide excellent protection from rain, wind, dust and perching birds.

The Outdoor Measurement Microphones M2230-WP and M2340-WP fulfill the Class 1 requirements according to IEC 61672 and ANSI S1.4 for horizontal and vertical sound incidence. For compliance with horizontal sound incidence a spectral correction is employed in the associated Sound Level Meter. The Outdoor Measurement Microphone M4261-WP fulfills the Class 2 requirements accordingly.

The outdoor microphones consist of a measurement microphone and the applicable weather protection:

M2230-WP: M2230 + WP30 Weather Protection
M2340-WP: M2340 + WP30 Weather Protection
M4261-WP: M4261 + WP61 Weather Protection

Features

Class 1 and Class 2 Outdoor Measurement Microphones for horizontal and vertical sound incidence according IEC 61672 and ANSI S1.4
Excellent protection from rain and dust (IP54), wind and perching birds
Built from corrosion-free materials
Removable top section for easy microphone calibration
Standard tripod mount, optional pole mount

Effective outdoor protection

The 90 mm wind screen protects the measurement microphone from rain and dust while reducing wind-induced noise by approximately 15 dB. The seamless design of the water-repellent membrane under the wind screen ensures perfect protection from rain and dust.

System self-test

The Outdoor Measurement Microphone M2340-WP is system self-test (CIC) enabled. Automated self-tests may be performed by NoiseScout, the unattended noise monitoring solution, in combination with the Sound Level Meter. This ensures reliable operation and precise measurements.

Robust design / Easy calibration

The upper section of the weather protection is snap-on mounted and can thus be easily removed by hand for manual calibration of the measurement microphone.

Low Noise Measurement Microphone M2914

The measurement microphone M2914 has a particularly low residual noise level of just 6.5 dBA and is designed for acoustic measurements of very low sound pressure levels.

NTi Audio # 600 040 240
(requires additionally the ICP Adapter ASD, # 600 010 223)

Product Data

Measurement Microphones for FX100 Audio Analyzer

The M2010 and M2015 are compact, high-performance measurement microphones dedicated to research, design lab, end-of-line testing and service with the FX100 Audio Analyzer. They are particularly suited for applications with restricted available space. The connection cable to the preamplifier is detachable and a calibration certificate included.

Features:

1/2" Omni-directional, free-field microphone
Phantom power 48 VDC
Frequency range 20 Hz - 20 kHz
Calibration certificate included
Detachable Cable

Downloads

Microphones for the XL2 Analyzer

Microphones for the FX100 Analyzer
- Product Data M2010, M2015
- Mech. Dimensions M2010, M2015

Full Line Catalog
- Full Line Catalog

Gallery

Configurations Measurement Microphones

M2230

Certified class 1 measurement microphone according to IEC 61672 with metal diaphragm.

M2340

Certified class 1 measurement microphone according to IEC 61672 with metal diaphragm; system self-test (CIC) with XL2.

M2211

General purpose microphone, with class 1 frequency response and metal diaphragm.

M2215

Measurement microphone for high acoustic levels (up to 153 dB), with class 1 frequency response and metal diaphragm.

M4261

Cost-effective class 2 measurement microphone for general sound level testing, commissioning and service of audio-acoustic installations.

MA220

Microphone preamplifier compatible with 1/2” pre-polarized capsules.

MA230

Microphone preamplifier compatible with 1/2” pre-polarized capsules; system self-test (CIC).

M2010

Measurement Microphone with class 1 frequency response and metal diaphragm.

M2015

Measurement Microphone for high acoustic levels (155 dB) with class 1 frequency response and metal diaphragm.

Configurations Outdoor Measurement Microphones

M2230-WP

Certified class 1 outdoor measurement microphone according to IEC 61672 and ANSI S1.4 with metal diaphragm; consists of M2230 Microphone and WP30 Weather Protection.

M2340-WP

Certified class 1 outdoor measurement microphone according to IEC 61672 and ANSI S1.4 with metal diaphragm; system self-test (CIC); consists of M2340 Microphone and WP30 Weather Protection.

M4261-WP

Class 2 outdoor measurement microphone according to IEC 61672 and ANSI S1.4; consists of M4261 Microphone and WP61 Weather Protection.

Get more Information

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