Type 4939 microphone sets Microphones
Type 4939 microphone sets: sensors and measurement devices by HBK for microphones.
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Models in the series
One column per model: what differs between the models of the series.
| Parameter | 4939-A-011 eli-m-42478cc0f8d72f37b52fa78b |
|---|---|
| Interfaces | ethernet |
| Sound field | v_8386d113d451ff50 |
| Frequency response | 4–100000 Hz |
| Microphone polarization | v_5550f80de667506a |
| source_acoustic_standard | IEC 61094 high-frequency free-field microphone |
| Operating temperature | -20–80 °C |
| Microphone sensitivity | 3.5 mV/Pa |
| Maximum SPL | 164 dB SPL |
| Microphone diameter | 0.25 inch |
| Number of measurement channels | 4 |
| ADC sampling rate | 131072 samples/s |
| quantity_specification | 28-164 dB dynamic range; system band 15 Hz-100 kHz after the Type 2670 lower-frequency limit. |
| source_sampling_rate_basis | LAN-XI 3161 supports DC-204.8 kHz analysis bandwidth at 524 kHz sample rate. |
| A-weighted inherent noise | 35 dB(A) |
| Status | Active |
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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