The high acoustic input impedance of the probe tip minimises the influence on the acoustic field, while the stainless steel probe tube, tip can withstand temperatures of 800 ºC.
| GR 40PS | |
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| Surface microphone | ||
| The Type 40PS is a low-cost microphone for general purpose measurements on planar and curved surfaces. It has a wide useful frequency range reaching up to 20 kHz and a large dynamic range topping at around 136 dB | ||
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| GR 40SA | |
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| Probe microphone for high temperatures | ||
| The GRAS 40SA is a small probe microphone unit for sound pressure measurements. The high acoustic input impedance of the probe tip minimises the influence on the acoustic field, while the stainless steel probe tube, tip can withstand temperatures of 800 ºC. |
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| GR 40SC | |
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| Probe microphone for high temperatures, CCP type | ||
| The GRAS 40SC is a small probe microphone unit for sound pressure measurements. The GRAS 40SC is similar to the GRAS 40SA but is powered by a constant-current power supply, instead of from standard power supply. | ||
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| GR 41AW | |
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| Window Microphone | ||
| This Window Microphone is the ideal choice for measuring noise at window-pane locations. | ||
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