
The Dual Inline TDS Meter DM-1 from HM Digital is a critical tool for monitoring the performance of your reverse osmosis and deionization (RO/DI) water filtration system. It allows you to measure Total Dissolved Solids (TDS) in two different locations, ensuring that both stages of your RO/DI setup are functioning efficiently and effectively. Featuring a digital display and factory calibration for accuracy right out of the box, this meter includes all necessary 1/4" GA Murdock Quick Connect Tees with double o-rings to guarantee a secure installation.
| SKU | 200031 |
| Aquarium Type | Saltwater, Freshwater |
| TDS Meter Type | Dual |
Price History
Dual Inline TDS Meter DM-1
by HM Digital
RO/DI Systems
Reference reading: Species guide on Codexery
Species guides on Codexery
- Orange clownfish — Scientific name: Amphiprion percula · Maximum length: 11 cm source
- Ocellaris clownfish — Scientific name: Amphiprion ocellaris · Family: Pomacentridae source
1 retailer · 1 in stock
Compare Prices
Prices and availability change; we are not paid by these stores.
Active Deals
15% off Dual Inline TDS Meter DM-1
On sale for $25.49 (regular $29.99)
All-time low price on Dual Inline TDS Meter DM-1
New lowest price: $25.49 (previous low: $29.99)
15% price drop on Dual Inline TDS Meter DM-1
Price dropped from $29.99 to $25.49















