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

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

The SECURE cap mounted earmuff is the ideal choice for any work that requires head and hearing protection. Its durable construction withstands rough environments and the slim design reduces the risk of snagging in branches or confined areas. Available in three protection levels, clearly indicated with bright safety colors for easy identifica­tion and selection. “Snap-in” ear cushions with minimal sweat retention and soft foam filling increases the high comfort and are easily replaced.

  • Soft ear cushions maintains a high level of comfort protection
  • Three slim wearing positions reduce the risk of snagging in confined areas and allow a tight but comfortable seal.
  • Color coding for easy selection and identification
  • Smooth size adjustment
  • Fully compatible with Hellberg’s SAFE™ Visor System

Technical specifications

Part no: 42003-001
Style: Cap mounted
Weight: 300 g
Unit pack: Box
Masterbox qty: 20
SNR: 31
NRR: 27
SLC (80): 31
Applications:                    Drill hammering, Mining, Motor racing etc
SECURE 3C, EN 352, H-32 M-29 L-21 SNR-31
Freq.Hz 63 125 250 500 1000 2000 3150 4000 6300 8000
Mean.att. 16,4 17,7 23,5 31,8 41,6 36,4   34,2   35,2
St.dev. 4,3 3,3 4,2 3,5 3,4 3,8   3,9   5,7
APV 12,1 14,4 19,3 28,3 38,2 32,6   30,3   29,5
S3C                    
SECURE 3C, ANSI S-3.19-1974, NRR 27 CSA A
Freq.Hz 63 125 250 500 1000 2000 3150 4000 6300 8000
Mean.att.   19,4 23,6 33,5 37,9 36,5 35,0 39,4 39,2 39,6
St.dev.   2,9 2,1 1,9 4,3 2,1 3,3 2,8 2,6 2,4
S3C                    
SECURE 3C, AS/NZS 1270:2002, SLC(80)-31 dB Class 5
Freq.Hz 63 125 250 500 1000 2000 3150 4000 6300 8000
Mean.att.   15,4 21,0 30,2 38,3 34,8   34,3   35,0
St.dev.   2,4 3,1 3,1 3,5 3,0   3,5   4,0
Mean-std   13,0 17,9 27,1 34,8 31,8   30,8   31,0

 

 
 

 

 
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