KERBL 34725 Ear Protection with Stereo Radio User Guide
- June 3, 2024
- KERBL
Table of Contents
Ear Protection with Stereo Radio # 34725
User Guide
34725 Ear Protection with Stereo Radio
Operating instructions for ear protection with FM radio
(a) This ear protection supports VHF radio reception
(b) The audio signal is limited to a volume of 82 dB (A)
(c) Before and after use, store the device in the supplied film, away from
sources of heat and excess humidity
(d) When wearing this ear protection while listening to the radio at the same
time can impair the user‘s perception of warning signals.
Operating Instructions
- Turn the controller clockwise: switched on
- Put ear protection on
- For maximum ear protection, adjust the headband so that the protectors completely cover the ears and an even, comfortable pressure can be felt
- Ensure that no tufts of hair, spectacle arms, or similar are able to push the hearing protectors away from the ear
- Adjust the volume to a comfortable level
- Switch to the required station
- Switch radio mode to OFF when the ear protection is taken off
- Batteries: 2 x type AA (not included)
Standards observed
Regulation (EU) 2016/425, Directive 2004/108/EC, EN 352-1:2002, EN 352-8:2008,
EN 55013:2017, EN 55020:2007
Important
Noise protection is guaranteed only when worn correctly. Bending the headband
or altering it in any other way can impair the product‘s positioning and
therefore its noise protection.
Recommendations
- do not store near sources of heat or in excessive humidity
- only use in accordance with the instructions.
- always wear when located/working near sources of noise
- maintain regularly
- temperature ranges: -10°C to +40°C
- ambient humidity: 0% – 98%
Care instructions
- Only use warm soapy water and a damp cloth or similar (no alcohol or solvents). Allow the foam inlay to dry thoroughly.
- Check the ear padding regularly to ensure it is still functional (e.g. damage to the protective shell or deformed or hardened padding).
- The ear protectors can be easily dismantled for cleaning or repair.
Changing the battery
- Switch the device off
- Press the blade of a flat screwdriver against the tab on the underside of the shell without the antenna and separate the shell from the housing.
- Insert the batteries (align the polarities +/- correctly)
- Close the shell (fit the underside in first and then allow the upper side to engage)
Technical data
| Frequency (Hz) | 63 | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 |
|---|---|---|---|---|---|---|---|---|
| Average sound protection (dB) | 15.1 | 15.7 | 20.2 | 25.3 | 27.9 | 34 | 42.5 | 40.2 |
| Standard deviation (dB) | 4.4 | 4 | 3.4 | 2.8 | 2.6 | 3.5 | 3.7 | 4.6 |
| Theoretical noise protection (dB) | 10.7 | 11.7 | 16.8 | 22.4 | 25.3 | 30.5 | 38.8 |
35.6
SNR:28 dB – av. noise absorption (28 %)
H:31 dB – noise absorption at high frequencies (31 %)
M:24 dB – noise absorption at medium frequencies (24 %)
L:18 dB – noise absorption at low frequencies (18 %)
Ear protection can also be recommended for noise that occurs suddenly. The value specified for „SNR“ was determined on the basis of a continuous noise level (not an indicator for noise situations such as gunshot).
| Weight (incl. batteries) | 379 g |
|---|---|
| Headband compressive force | 11.1 N |
| Headband material | Steel + PVC |
| Ear padding material | PVC |
Requirements:
These hearing protectors correspond to:
- EN352–1:2002 “Hearing protectors – General requirements. Part 1: Ear protection”
- EN 352-8:2008 “Hearing protectors – Safety requirements and checks. Part 8 “Audio ear muffs for entertainment purposes“
- regulation (EU) 2016/425, Directives 92/31/EEC, 93/68/EEC
- emissions: EN 55022:1998/A1:2000/A2:2003(Class B), EN 61000-6-1,6-3:2001
- attenuation: EN 61000-4-2:1995/A1:1998/A2:2000, EN 61000-4-3:2002/A1:2002
PPE is subject to the conformity assessment procedure Module D under the surveillance of the notified body:
| United Kingdom: | EU: |
|---|---|
| INSPEC International Ltd. | INSPEC International B.V. |
| 56 Leslie Hough Way, | Beech avenue 54-62, 1119 PW |
| Salford, Greater Manchester M6 6AJ | Schiphol-Rijk |
| United Kingdom | The Netherlands |
| Approved Body: 0194 | Notified Body: 2849 |
The EU-type examination was carried out by:
Institute of Occupational Health of the German Social Accident Insurance (IFA)
Alte Heerstraße 111
53757 Sankt Augustin
Germany
Testing institute: 0121
Electronic scrap
Disposing of this device after its service life is the responsibility of the
operator. Please consult the valid national regulations. The device must not
be disposed of in the household waste. In accordance with the stipulations of
the EU Directive on the Disposal of Electrical and Electronic Devices, the
device can be disposed of free of charge at the local waste collection or
recycling center. Alternatively, it can be returned to retailers who offer a
collection service. Proper disposal helps to ensure environmental protection
and prevents any adverse effects on human health and the environment.
Further information and declaration of conformity by:
Albert Kerbl GmbH
Felizenzell 9
84428 Buchbach, Germany
Tel. +49 8086 933 – 100
Fax +49 8086 933 – 500
info@kerbl.de
www.kerbl.de
|
Kerbl UK Limited
8 Lands End Way
Oakham, Rutland
LE15 6RF UK
Phone +44 1572 722558
Fax +44 1572 757614
enquiries@kerbl.co.uk
www.kerbl.co.uk
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References
- Home - Kerbl UK Ltd
- Everything around animal breeding, husbandry and agricultural supplies - Albert Kerbl GmbH
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