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English

GREAT BRITAIN
Customer service

 

Tel

 020 8247 9300 

E-mail

 customerservice@clasohlson.co.uk 

Internet

 www.clasohlson.co.uk 

Postal

 10 – 13 Market Place, Kingston Upon Thames, Surrey, KT1 1JZ

Ver

. 20180420

Ear Defenders 

Art.no  41-1461-1, -2, -3  Model  48812X

Please read the entire instruction manual before using and save it for future use. We apologise for any text or photo errors and any 
changes of technical data. If you have any questions concerning technical problems please contact our Customer Service Department.

Care and Maintenance

Check your ear defenders regularly. The cushions should be 
intact, the cups free from cracks and the headband should 
be flexible. The protection afforded by the ear defenders 
is reduced if the ear cup cushions are damaged. The ear 
defenders should be replaced.

Attenuation

Frequency 
(Hz)

Mean 
Attenuation 
(dB)

Standard 
Deviation 
(dB)

APV (dB)

63

14.3

3.2

11.1

125

12.8

3.4

9.4

250

16.6

2.5

14.1

500

23.5

1.5

22.0

1000

33.0

1.8

31.2

2000

34.9

2.5

34.2

4000

39.9

2.7

37.2

8000

36.8

4.9

31.9

HML value

(Attenuation of high, medium and low frequency noise)

H

M

L

SNR

33 dB

24 dB

16 dB

27 dB

Disposal

Follow local ordinances when disposing of this product. If you 
are unsure about how to dispose of this product contact your 
municipality.

Specifications

Type

 48812X

Weight

  200 g

Description

Ear defenders with folding plastic headband and foam plastic 
filled ear cup cushions. Provide excellent protection when 
worn properly and given adequate care. Filter the high levels 
of noise from e.g. power tools and chain saws.

Declaration of Conformity

These ear defenders conform to EN 352-1:2002 
Specification, Ear Protectors – Safety requirements and 
testing part 1, and therefore conform to appendix 2 of 
the Ear-Muffs Directive 89/686/EEC.
Notified body that performed the type examination:

PZT GmbH
An der Junkerei 48 F
D-26389 Wilhelmshaven
Germany

Use

Always put on the ear defenders before exposing yourself  
to noise and wear them at all times. 
1.  Pull the ear cups down from the headband.
2.  Open the ear defenders as far as possible.
3.  Make sure that the cushions are not deformed or 

creased, allow them to expand to their normal size.

4.  Extend the headband and place the cups over your ears.
5.  Adjust the headband so that it rests on the top of  

your head.

6.  Adjust the cups until they feel comfortable and are  

a snug fit.

Important:

•  The ear defenders can deteriorate over time and can even 

be damaged by certain chemicals etc.

•  Check your ear defenders regularly. The cushions should 

be intact, the cups free from cracks and the headband 
should be flexible.

•  Always put on the ear defenders before exposing yourself 

to noise and wear them at all times. 

•  The ear defenders are of normal size range according to 

EN352-1, designed to fit the majority of wearers.

•  Wash the ear defenders with soapy water; do not use 

strong detergents or alcohol etc.

•  Store the ear defenders in a clean, dry and cool place 

when not in use.

Warning:

 If these directions are not followed, the noise 

reduction capability can be impaired.

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