DIY PAPR for health workers (in progress).
Image source: PAPR Wikipedia
Specifications (ref)
- Battery life: > 10 hours
- Capacity per Minute (Metric): 150 to 230 litres per min (2.5 - 3.8 L/sec or 5.3 - 8.12 CFM)
- Resistance to flow (N95 filter):
- 0.56 cmH2O @1L/sec, 0.74 cmH2O @5L/sec, <1.50 cmH2O @ 14L/sec.
- or 55 Pa @1L/sec, 73 Pa @5L/sec, < 147 Pa @14 L/sec.
- 120mm PC fans
- Air volume: 38 CFM.
- Static pressure: 58 Pa.
- Fan pressure boost adapter [stl].
- Battery
- Voltage: 11.1 V.
- Capacity: 2000 mAh.
- Charger