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Measurement Microphone MM 310

Measurement Microphone MM 310


The 1/4” Measuring Microphone MM 310 offers facilities for the use of a high-quality prepolarized measuring microphone capsule type MK 301 E on measuring systems with IEPE inputs. Typical applications like array arrangements and covered area measuring procedures, e.g. automotive acoustics, can be taken into account.

The measuring microphone is connected to the measuring channels via a fixed microdot connector with microdot cables or usual BNC cables via a microdot-BNC adapter. The measuring microphone preamplifier has an integrated memory for microphone identification. Microphone data can be entered and read by the manufacturer/user by using the memory (IEEE P1451.4 TEDS editor).

The microphone holder MH 64 with 1/4” cone shaped adaptor is recommended for mounting. The 1/4” measuring microphone capsule accessories, e.g. windscreen etc., can be used additionally.

The measuring microphone can be calibrated with the Pistonphone type 5002 or other current sound pressure calibrators with an 1/4″ adapter.

ransducer type Capacitive pressure transducer, acc. WS3F (DIN EN IEC 61094-4)
Sensitivity 3,5 mV/Pa
Sensitivity -49 dB ±1,5 dB re 1V/Pa
Correction free-field at 1 kHz 0 dB
Random incidence at 1 kHz 0 dB
Principal axis microphone axis
5 Hz to 100 kHz (± 2 dB)
Polarization voltage 0 V
Max. SPL for 3% THD at 1 kHz 158 dB
Output voltage ≤ 8,2 Veff
Output impedance < 100 Ohm
Nom. load impedance 100 kOhm
Current consumption 2 mA to 10 mA, nom. 4 mA
Transducer excitation voltage UL 24 V DC to 30 V DC
Time for power up 1 min.
Equivalent loudness level DIN EN 60651 36 dBA
Influence of magnetic field 80 A/m, 50 Hz
Influence of vibration 1 m/s²
Operating temperature range ˂± 0,5 dB -25 °C to +100 °C
Main ambient temperature coefficient ≤ 0,01 dB/K
Main ambient pressure coefficient 1×10-5 dB/Pa
Temperature limits -50 °C to +100 °C
Humidity limits r.H. < 100%, absence of condensation
Diameter with protection grid 6,35 mm ± 0,02 mm
without protection grid 7,0 mm ± 0,02 mm
Protection grid thread 6,35 mm 60 UNS
Preamplifier thread 5,7 mm 60 UNS
Plug Microdot UNF 10-32
Microphone identification memory 256-Bit 1-WireTM EEPROM (DS 2430 AP)

Measuring microphone preamplifier MV 310 datasheet

Condenser measuring microphone cartridge type MK 301 e datasheet