Type | HYZ-2 | HYZ-4 |
Duration | 120 min | 240 min |
Working pressure for oxygen bottle | 20 MPa | 20 MPa |
Capacity for oxygen bottle | 1.4L | 2.4L |
Oxygen storage | 280L | 480L |
Dimensions | 518*370×160mm | 560*370*160mm |
Weight | 11 Kg | 12Kg |
Breathing rate | 30L/min | |
Exhaling resistance | (0~600)Pa | |
Inhaling resistance | ≤700Pa | |
Fixed Oxygen-supplying | ≥(1.4~1.7)L/min | |
Manual or automatic oxygen-supplying | ≥80L/min | |
Start pressure for Auto-supplying valve | (10~245)Pa | |
Inhaling Carbon dioxide concentration | ≤1% | |
Inhaling oxygen concentration | >21% | |
Warning pressure for alarm | (4~6)MPa | |
Warning time for alarm | (30~60)s | |
Sound level | ≥80dB |
Item | Specification | ||
Type | HYZ-2 | HYZ-4 | HYZ-4B |
Duration | 120 min | 240 min | 240min |
Working pressure for oxygen bottle | 20 MPa | 20 MPa | 20 MPa |
Capacity for oxygen bottle | 1.4L | 2.4L | 3.0L |
Oxygen storage | 280L | 480L | 600L |
Dimensions | 518×370×160mm | 560×370×160mm | 580x430x190 mm |
Weight | 11 Kg | 12Kg | |
Breathing rate | 30L/min | ||
Exhaling resistance | (0~600)Pa | 0-600Pa | |
Inhaling resistance | ≤700Pa | ≤600Pa | |
Fixed Oxygen-supplying | ≥(1.4~1.7)L/min | 1.6±0.2L/min | |
Manual or automatic oxygen-supplying | ≥80L/min | 100L/min | |
Start pressure for Auto-supplying valve | (10~245)Pa | 10-245Pa | |
Inhaling Carbon dioxide concentration | ≤1% | <1% | |
Inhaling oxygen concentration | >21% | >21% | |
Warning pressure for alarm | (4~6)MPa | 4~6MPa | |
Warning time for alarm | (30~60)s | 30~60S | |
Sound level | ≥80dB | 90b |