4959-A
From the HBK 20 kHz array microphones series
HBK 20 kHz array microphones: sensors and measurement devices by HBK for microphones.
- Frequency response
- 50–20000 Hz
- Number of measurement channels
- 1
- Microphone sensitivity
- 11.2 mV/Pa
- Maximum SPL
- 134 dB SPL
Technical specification
Every engineering figure, laid out to scan quickly
| Microphone diameter | 0.25 inch |
|---|---|
| Microphone polarization | CCLD |
| Microphone sensitivity | 11.2 mV/Pa |
| A-weighted inherent noise | 32 dB(A) |
| Maximum SPL | 134 dB SPL |
| Frequency response | 50–20000 Hz |
| Interfaces | Ethernet |
| Number of measurement channels | 1 |
| ADC sampling rate | 131072 samples/s |
| Acoustic standard | HBK special microphone; exact standard and complete chain follow the cited model data sheet |
| Sampling rate reference | Acquisition input must preserve the stated 20 kHz upper band. |
| Sound field | Free field / outdoor |
The industries we serve
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Aerospace
- Aircraft door-lock position detection
- Airlines & Aerospace Our balancing machines and moment weighing scales for aerospace drives ensure maximum precision, ease of use, and modular flexibility delivering reliability and performance without compromise contributing to your economic success.
- Automatic balancing machines Automatic balancing machines from Schenck are advanced solutions for precise balancing of rotating components in automated production processes. We offer systems and stations for balancing crankshafts, wheels and tires, turbochargers, electric armatures, drives, axle drive units, torque converters, drive shafts, disc-shaped rotors, as well as fans. Our systems increase productivity, ensure consistent quality, and are tailored to the needs of the automotive, energy, and industrial sectors.
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Medical industry
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Environment
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Electric motor manufacturing
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Food industry
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Automotive industry
- Airlines & Aerospace Our balancing machines and moment weighing scales for aerospace drives ensure maximum precision, ease of use, and modular flexibility delivering reliability and performance without compromise contributing to your economic success.
- Automatic balancing machines Automatic balancing machines from Schenck are advanced solutions for precise balancing of rotating components in automated production processes. We offer systems and stations for balancing crankshafts, wheels and tires, turbochargers, electric armatures, drives, axle drive units, torque converters, drive shafts, disc-shaped rotors, as well as fans. Our systems increase productivity, ensure consistent quality, and are tailored to the needs of the automotive, energy, and industrial sectors.
- Axle Drives With our balancing machines for front and rear axle transmissions, the measured unbalance is corrected by drilling into the drive flanges of the transmissions (welding optional). We support you with our interdisciplinary expertise in the production of front and rear axle transmissions from the initial idea to the design stage through to series production.
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Industrial automation
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Plastics
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Optics
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3D printing
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Battery manufacturing
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