Gas Mask With Electroacoustic Communication Device

The material of the canister is designed according to the American standard and the National standard protection system, which can meet the requirements of comprehensive protection for cyclohexane,ammonia,CNCL,formaldehyde,HCN,H₂S,NO_{2 ,} PH_3, phosgene, sari, mustard gas, etc

（1）For the first time, a two-point adjustable headband design on the neck is used to simplify the wearing process and increase the wearing speed.

（2）For the first time, the lens and the mask are assembled using a thermal bonding process to improve the air tightness of the assembly and the mask appearance.

（3）The cover is introduced for the first time with a recessed cross-section close frame structure design, which changed the classic line adhesion to the surface adhesion method to maximize wearing comfort, the mask adopts a universal design, which can form APR,PAPR, SCBA’ s three forms of equipment effectively improve the versatility of the equipment.

（4）For the first time, a spectacle frame that can be folded horizontally and arbitrarily is designed, so that myopic personnel can quickly and conveniently wear masks.

（5）For the first time, an arc-shaped poison canister and an arc-shaped charging process are adopted to ensure a balanced weight distribution of the mask of the double tank structure, and a better fit with the mask, which can improve the dynamic air tightness.

（6）Electro-acoustic call is an optional accessory, which can be used in conjunction with the mask call interface to realize the transmission function of electro-acoustic and connect to the intercom, and expand the scope of effective communication of the mask in noisy environments.

Technical Parameters of Gas mask with electroacoustic communication device:

  Mask leakage rate is not more than 0.01%;

  The protection time for mustard gas is not less than 360min;

  Protection time against chlorine chloride is not less than 30min;

  Visual field: the total field of view is not less than 70%,the binocular field of view is not less than 55%,and the lower field view is greater than 35 degree;

  Inhalation resistance: no more than 350Pa under constant airflow of 85L/min;

  Exhalation resistance: no more than 150Pa under constant airflow of 85L/min;

  In the environment of -25~35℃,no fogging or fogging of the lens when wearing will not affect the observation ability of personnel;

  Model: S,M,L  ;

  Wearing weight is not more than 950g;

  Storage period:5 years.

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