Table 2.
Reduced bill of materials showing critical components only. Cost is in USD.
| Component | Qty | Total Cost | Notes |
|---|---|---|---|
| Key components: | |||
| Electrical Components: | |||
| SDP816-125PA or SDP816-500PA | 1 | $30.69 | Differential pressure/flow sensor |
| MPVZ4006GW7U | 1 | $15.36 | Absolute pressure sensor |
| 3D-printed parts: | PLA/PET-G recommended | ||
| venturi15–10 mm.stl | 1 | $0.41 | |
| barb.stl | 3 | $0.05 | |
| 3.5–4 mm ID Tubing | 0.3 m | $0.42 | Silicone |
| System totals | |||
| Populated PCB | 1 | $48.36 | Including sensor cost |
| Sterilisable Venturi | 1 | $0.82 | |
| Total device | $49.17 | ||