Infrasonic USB Microphone
Infrasound USB Microphone
Infrasound USB MicrophoneInfrasound USB Microphone
Infrasonic USB measurement microphone MK 222 E + iSV1611
The 1/2” measuring microphone capsule MK 222 E is designed for acoustic measurements in research, development and industry and is also used in building acoustics and audiology, among other things.
- Frequency range 0.5 Hz to 20 kHz
- free field
- Sound pressure level up to 149 dB
- 15 dBA to 149 dB
- pre-polarized
The measurement microphone capsule has a fixed charge carrier layer (backelectret) to provide the polarization voltage.
The careful construction and the constructive concept of the microphone capsules guarantee a high temporal constancy of the electro-acoustic parameters.
The internationally common thread type (60 UNS) for connecting the microphone capsule allows interchangeability with other 1/2” microphone capsules and enables connection to all suitable calibration and measuring devices.
Specifications of the infrasonic microphone capsule:
| Model | MK 222 E IEC 61094-4 Type WS2 |
| Diameter | 1/2″ |
| Frequency Range | 0.5 Hz ~ 20 kHz (±2 dB) |
| Responce Type | Free field |
| Electrode Forming Voltage | 0 V |
| Sensitivity (dB re 20 μPa) | 50mV/Pa (±1.5dB) |
| Capacitance at 250 Hz | 19 pF |
| Maximum Sound Pressure Level | 149 dB |
| Intrinsinc Noise Level | 15 dB (A) |
| Operating Temperature Range | 10℃～+ 50℃ |
| Operating Humidity Range | up to 70 °C, 90 % |
| Temperature Characteristics | < 0.015 dB/°C |
| Humidity Characteristics | 0.001 %(RH) |
| Aging Drift | 0.2 dB/Year |
| Storage Temperature Range | -20 °C ～ +60 °C |
| Storage Humidity Range | 25 % ～ 90 %(RH) |
| Venting | rear vented |
| Outer Dimensions | Ф 13.2 mm x 16.2 mm |
| Weight | 8.3 gram |
