3M Blue-Line range - Datasheet

MT72H540F-50
Frequency (Hz) 125 250 500 1000 2000 4000 8000
Mean Attenuation (dB) 18.9 24.4 32.7 35.3 33.3 41.0 39.4
Standard Deviation (dB) 2.3 1.8 1.7 2.6 2.7 3.0 3.2
Assumed Protection (dB) 16.6 22.6 31.0 32.7 30.6 38.1 36.2
SNR=33 H=33 M=31 L=24
MT72H540P3E-50
Frequency (Hz) 125 250 500 1000 2000 4000 8000
Mean Attenuation (dB) 17.9 27.3 34.0 35.8 31.5 40.5 36.5
Standard Deviation (dB) 3.3 3.6 4.2 2.9 3.0 4.7 4.0
Assumed Protection (dB) 14.6 19.7 29.0 32.9 28.5 35.8 32.5
SNR=31 H=31 M=29 L=24
Peltor’s ATEX-approved headset and Listen Only headset are designed
to ensure clear, reliable communication even in extremely noisy environments,
while providing the perfect hearing protection for the situation.
• Microphone with effective noise compensation for clear and reliable communication
• Quick Positioning integrated microphone boom for easy handling
Models Connector Product code Weight
Headset headband J11, TP-120 MT72H540F-50 400 g
Headset helmet J11, TP-120 MT72H540P3E-50 430 g
3M
™
Peltor
™
Headset
MT7H79B-50 MT7H79F-50 HTM79F-50
SNR=33 H=33 M=31 L=23
Frequency (Hz) 125 250 500 1000 2000 4000 8000
Mean Attenuation (dB) 17,2 26,4 33,9 37,2 35,4 33,2 37,0
Standard Deviation (dB) 3,1 2,5 2,7 2,3 2,6 2,4 2,0
Assumed Protection (dB) 14,1 23,9 31,2 34,9 32,8 30,8 35,0
MT7H79P3*-50 HTM7P3E-**
SNR=32 H=33 M=32 L=24
Frequency (Hz) 125 250 500 1000 2000 4000 8000
Mean Attenuation (dB) 17,7 27,1 33,8 38,1 36,2 33,6 37,1
Standard Deviation (dB) 2,9 2,1 2,4 2,6 2,3 2,5 2,2
Assumed Protection (dB) 14,8 25,0 31,4 35,5 33,9 31,1 34,9
Models Connector Product code Weight
Folding headband 3,5 mm Mono HTM79F-50 310 g
Helmet attachment 3,5 mm Mono HTM79P3E-50 320 g
Helmet attachment 2,5 mm Mono HTM79P3E-53 320 g
Helmet attachment 3,5 mm Screw-in HTM79P3E-54 320 g
Listen-Only headset, with 0.75–1.4 m spiral cord with moulded contact
for connection to an EX-approved radio.
MT7H79P3E-50
• Extra high-attenuating twin shells with optimised acoustic design and excellent
space for the ears for the best possible sound quality and comfort.
• Microphone with effective noise compensation for clear and reliable
communication.
• Quick Positioning integrated microphone boom for easy handling
Ex II 2 G Ex ib IIC T4
Ex II 2 G Ex ib IIC T4
Ex II 2 G Ex ib IIC T4
• Soft, wide, foam and fluid-filled ear cushions and individually sprung head band
wires of stainless sprung steel provide an even and consistent distribution of
pressure around the ears for the best possible comfort
• Beam-mounted earphones that provide the least possible resonance and distortion
for excellent sound reproduction even in very high-noise environments
3M
™
Peltor
™
Twin Cup Headset
Models Connector Product code Weight
Folding headband J11, TP-120 MT7H79F-50 335 g
Neckband J11, TP-120 MT7H79B-50 300 g
Helmet attachment J11, TP-120 MT7H79P3E-50 345 g
Headset with 0.4–1.0 m long spiral cord for connection to the Peltor Adapter
3M
™
Peltor
™
Communication Solutions
Blue-Line Headsets
HTM79F-50
MT72H540F-50