The IEPE microphone MI15 is a free-field microphone with integrated electronics that is often used in scientific research.
To ensure accuracy, the microphone is supplied with tight tolerances of ±1.5 dB and has a transmission factor of 50 mV/Pa.
An IEPE constant current source is used as standard, which is usually set to 4 mA.
Coaxial cables are used as feed lines and the standard microphone configuration includes BNC connectors, which are also optionally available as TNC variants.
MI15
Measuring microphone for confined installation situations.
- Total length 65 mm
- 1/4″ IEPE measurement microphone
- Frequency response: 20 Hz – 20 kHz
- Class 1 according to IEC 61094-5
- Polar pattern: omnidirectional
- Sensitivity 50 mV/Pa
- Measuring range 33 dB to 130 dB SPL peak (5% dist.)
- Constant current supply 2- 6 mA
- Bias: 12.5 Volt
- Temperature range -10 to +80 °C
- Heat resistant up to 130 °C
