Hellberg Secure 2N
January 23, 2018
Hellberg Secure 3C
January 23, 2018
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Hellberg Secure 3H

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    • For use in high noise level environments
    • Best choice in low frequency dominated noise

    The SECURE headband earmuff is designed with all day comfort in mind and provides high performance and great quality to all professional users in three different levels of protection. The durable headband construction with its soft cushions and easy size adjust­ment provides a comfortable and perfect fit for all head sizes. New “snap-in” ear cushions with minimal sweat retention and soft foam filling increases the high comfort and are easily replaced.

  • Slim stirrup design reduces the risk of snagging in confined areas
  • Color coding for easy selection and identification
  • Soft, cushions with Smart “Snap-In” System for easy replacement
  • Smooth size adjustment for optimized comfort and seal
  • Fully compatible with Hellberg’s SAFE™ Visor System

Technical specifications

Part no: 41003-001
Style: Headband
Weight: 277 g
Unit pack: Box
Masterbox qty: 20
SNR: 33
NRR: 28
SLC (80): 32
Applications:                    Airport Ground Crew, Motor racing , Drill hammering etc
SECURE 3H, EN 352, H-34 M-31 L-22 SNR-33
Freq.Hz 63 125 250 500 1000 2000 3150 4000 6300 8000
Mean.att. 20,5 17,5 24,8 32,7 43,8 36,4   35,9   38,1
St.dev. 5,4 3,0 2,4 2,6 3,7 3,5   3,1   4,1
APV 15,1 14,5 22,4 30,1 40,1 32,9   32,8   34,0
S3H                    
SECURE 3H, ANSI S-3.19-1974, NRR 28 CSA A
Freq.Hz 63 125 250 500 1000 2000 3150 4000 6300 8000
Mean.att.   18,1 24,8 33,5 42,8 37,3 36,2 38,0 39,0 38,9
St.dev.   2,3 2,3 2,8 2,8 2,8 2,1 3,3 1,8 2,4
S3H                    
SECURE 3H, AS/NZS 1270:2002, SLC(80)-32 dB Class 5
Freq.Hz 63 125 250 500 1000 2000 3150 4000 6300 8000
Mean.att.   17,5 23,8 31,4 36,6 33,5   39,5   41,4
St.dev.   2,6 3,0 3,1 2,3 2,5   4,0   3,7
Mean-std   14,9 20,8 28,3 34,3 31,0   35,5   37,7

 

 
 

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