Airflow Monitor & Controller Assembly
Measures face velocity at the sash opening, drives a digital monitor with audible/visual alarms, and switches the blower via a relay. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
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Bill of materials
4 top-level lines · 10 rows shown · 13 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Face Velocity Sensor | fume-hood-velocity-sensor | 1× | 1 | — | part |
| 2 | Control Board 3 parts | fume-hood-control-board | 1× | 1 | 3 | assembly |
| 2.1 | Bare PCB | pcb-bare | 1× | 1 | — | part |
| 2.2 | Microcontroller | mcu | 1× | 1 | — | part |
| 2.3 | Relay | relay | 1× | 1 | — | part |
| 3 | Digital Airflow Monitor 3 parts | fume-hood-monitor-display | 1× | 1 | 3 | assembly |
| 3.1 | LCD Panel | lcd-panel | 1× | 1 | — | part |
| 3.2 | Alarm Module | fume-hood-alarm | 1× | 1 | — | part |
| 3.3 | Bare PCB | pcb-bare | 1× | 1 | — | part |
| 4 | Connector | connector | 6× | 6 | — | part |
Used in 1 assembly
Sourcing — likely vendors
Companies that make this · indicative price $1–$200 · MOQ & lead are typical| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
| 🇨🇳JLCPCB jlcpcb.com ↗ | Shenzhen, CN | PCB fabrication | 100 pcs | 2–4 wks |
| 🇨🇳PCBWay pcbway.com ↗ | Shenzhen, CN | PCB fab & assembly | 100 pcs | 2–4 wks |
| scc.com.cn ↗ | Shenzhen, CN | PCB manufacturer | 100 pcs | 2–4 wks |
| shogini.com ↗ | Mumbai, IN | PCB manufacturer | 100 pcs | 2–4 wks |
| venture.com.sg ↗ | Singapore | Electronics contract mfg | 100 pcs | 2–4 wks |