The Silentex FM Radio 31 HV is an excellent choice for extremely noisy work environments with an extra demand for increased visibility and safety. It comes with the same great features as the FM Radio 31 and additionally it is equipped with reflecting headband and the fluorescent cups to increase the user’s visibility and safety. The high quality sound reproduction and excellent ergonomic wearing comfort make the FM Radio 31 HV pleasant to wear also over longer periods.
FEATURES
- Rechargeable Li-Ion battery - Up to 80 hours of listening with a single charge
- Low battery warning
- Automatic channel search
- Automatic switch off if control buttons are not pressed in 5 hours
- Favorite Channel-function stores up to 5 channels
- Memory for last selected volume level and channel setting
- Short antenna
- Foldable – Easy to transport and store
- Euro-plug charger included
- In car charger is available as an accessory
SNR = 31 dB
NRR = 25 dB
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ATTENUATION VALUES
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H = 34 dB
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M = 29 dB
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L = 21 dB
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Frequency (Hz)
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125
|
250
|
500
|
1000
|
2000
|
3150
|
4000
|
6300
|
8000
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|
Mean attenuation (dB)
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17.4
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21.7
|
29.7
|
36.8
|
35.6
|
35.5
|
35.9
|
40.9
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39.3
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Std. Deviation
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2.9
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2.7
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2.1
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2.2
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3.1
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2.5
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3.0
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2.7
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3.0
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APV-value (84%)
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14.5
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19.0
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27.6
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34.6
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32.5
|
33.0
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33.0
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38.2
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36.3
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