MF203 single eye window gas mask

Overview
The MF203 gas mask has the positive and negative pressure switching function of the most advanced foreign masks; it is consistent with the protection spectrum of foreign masks and can protect against typical gases: ammonia, sulfur dioxide, hydrogen sulfide, cyanogen chloride, hydrocyanic acid, formaldehyde, phosgene, The first breakthrough design of the new gas mask sealing frame for nitrogen dioxide, phosphine, cyclohexane, etc. greatly improves comfort; glasses can be worn to expand the scope of use of the mask.

Features

Loudspeaker function: It can effectively amplify the speech sound of people wearing masks, keep the conversation smooth, and the sound quality is clear and loud.
Fall alarm function: Automatic fall alarm and manual active alarm functions can be set to effectively shorten the time to call for help in dangerous situations.
External intercom function: To realize long-distance communication function, press and hold the PTT intercom button of the respirator mask communication device to send your own voice to the remote end through the intercom
HUD pressure display function: It can display the remaining gas volume in the cylinder synchronously in time to reduce the occurrence of hazards.
Control the air supply volume according to the human body’s inhalation and exhalation to maintain positive pressure in the mask. It is equipped with a closing button. When not in use, you can press the closing button to close the air supply valve; when in use, it can be opened by taking the first breath. Equipped with an independent bypass valve that can be used to discharge residual air

Technical Parameters

protection factor	≥10000
Explosion-proof level	Ex ia II C T4 Ga
operating hours	More than 10 hours (25% talk, 75% standby)
Viewable range	Total visual field ≥70%, binocular visual field ≥55%, lower visual field >35°
Operating temperature	-30℃～+60℃

Note: The cover material can be selected from natural rubber, silicone rubber, chlorinated butyl rubber, etc. according to user needs.