# Fixed Water Quality Controllers

> ERE Inc. is specializes in water quality analyser products for more than 20 years. Our equipment use to maintain the water quality. Shop now!!

- **URL:** https://ereinc.com/collections/fixed-water-quality-controllers

## Products (2)

- [HA-710 Advanced Conductivity & TDS Controller](https://ere-llms.vercel.app/products/ha-710-advanced-conductivity-tds-controller.md) — https://ereinc.com/products/ha-710-advanced-conductivity-tds-controller
- [HA-504 Advanced pH / ORP Controller](https://ere-llms.vercel.app/products/ha-504-advanced-ph-orp-controller.md) — https://ereinc.com/products/ha-504-advanced-ph-orp-controller