BOMwiki the bill-of-materials encyclopedia
30,443,794 parts mapped · 193,030 items

This page is machine-generated and unverified (what this means). Treat details as provisional. If you know this hardware, weigh in or correct it directly with Edit.

Discussion History

Water Quality Monitoring

Assembly

Real-time resistivity meter (18.2 MΩ·cm setpoint) and TDS (total dissolved solids) sensor display alarming if water quality degrades below specification. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Water Quality Monitoring parts and their functions

3 top-level parts · 3 parts in total · full bill of materials below
Water Quality Monitoring parts diagram: 1 resistivity cell, 2 TDS sensor, 3 quality display & alarm. 3 parts in 3 top-level items.
Water Quality Monitoring parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Resistivity Cell 1× Inline resistivity cell (K = 1.0 cm⁻¹) with platinum electrodes
2 TDS Sensor 1× TDS probe (0–1000 ppm scale) for backup salinity monitoring
3 Quality Display & Alarm 1× Digital display (0–20 MΩ·cm range) with audible/visual alarm at threshold

3D model

No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).

Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly shared across products atomic part related product

Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.

Bill of materials for Water Quality Monitoring

3 top-level lines · 3 rows shown · 3 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Resistivity Cell lab-water-purifier-resistivity-sensor 1× 1 · part
2 TDS Sensor lab-water-purifier-tds-sensor 1× 1 · part
3 Quality Display & Alarm lab-water-purifier-display-unit 1× 1 · part

Where the water quality monitoring is used

2 products across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Lab Water Purification System

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $3–$400. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳BOE
boe.com ↗ 		Beijing, CN Display panels 1,000 pcs 6–10 wks
🇨🇳Tianma
tianma.com ↗ 		Shenzhen, CN Display panels 1,000 pcs 6–10 wks
🇨🇳TCL CSOT
szcsot.com ↗ 		Shenzhen, CN Display panels 1,000 pcs 6–10 wks
🇨🇳Truly Opto
truly.net ↗ 		Shanwei, CN Displays & camera modules 1,000 pcs 6–10 wks
🇸🇬Venture Corp
venture.com.sg ↗ 		Singapore Electronics contract mfg 1,000 pcs 6–10 wks