Military individual gas mask

Model: 1608-DS

Type: Electronic communication full-face respirator

Standard: GB 2890-2009

1. Material Composition

• Face shield: PC (anti-scratch, anti-fog)
• Face seal: Medical silicone
• Body structure: ABS engineering plastic
• Head harness: Adjustable elastic belt assembly
• Valve: Silicone one-way valve

2. Respiratory Performance Parameters (Test flow: 30 L/min)

• Inhalation resistance: < 40 Pa
• Exhalation resistance: < 100 Pa
• Total leakage rate: < 0.05%
• Total field of view: > 70%
• Binocular field of view: > 55%
• Lower field of view: > 35°
• Dead space: < 1%
• Net weight (mask body): < 500 g

3. Electronic Module Technical Specifications

• Power supply: 3.7V rechargeable lithium-ion battery
• Standby time: ≥ 200 hours
• Working duration: ≥ 8 hours (talk:standby = 2:8)
• Weight (with battery): ≤ 110 g
• Voice signal level: ≥ Level 4
• Communication channels: 10 channels with priority management
• Communication mode: Automatic / manual
• Communication distance: ≥ 500 m (line of sight)
• Working temperature: -10℃ ~ +60℃
• Storage temperature: -30℃ ~ +70℃
• Waterproof rating: IPX6
• Mean time between failures (MTBF): 1000 hours
• Button life: 50,000 presses

4. Key Features

• Integrated voice amplification and wireless intercom
• Built-in drinking system for long-time duty
• Low resistance breathing design
• Wide field of view, anti-fog and anti-scratch lens
• Comfortable silicone face seal with low leakage
• Stable and adjustable head harness

5. Application Scope

• Chemical industry
• Fire emergency rescue
• Toxic gas and particle environment
• Industrial manufacturing
• Laboratory and hazardous material handling

6. Safety & Operating Notes

• Use only in environments with oxygen concentration ≥ 19.5%.
• Do not use in unknown pollution or IDLH environments.
• Do not use in confined spaces without proper monitoring.
• Must be equipped with certified filters for corresponding hazards.
• Inspect mask, lens, valves and electronic module before each use.
• Do not disassemble the electronic module without authorization.
• Charge the battery fully before long-time storage.
• Clean and maintain the mask regularly according to instructions.
• Replace the mask if damaged, aged or out of service life.

7. Packaging & Storage

• Packaging: 1 set per box
• Storage condition: Dry, ventilated, avoid direct sunlight
• Shelf life: 5 years under proper storage