Liquid Analyzer
Water analyzers – pH, ORP, TDS, conductivity
ISE supplies online water analyzers: 4–20 mA pH/ORP controllers, TDS conductivity sensors and automatic TDS blowdown systems that keep boiler water within limits and cut heat losses, for water and wastewater treatment.
Water analyzer products
Online pH measurement and control
Choosing a water analyser
| Parameter | Device | Application |
|---|---|---|
| pH, ORP | Electrode + pH/ORP controller | Water, wastewater, chemical dosing |
| TDS, conductivity | Conductivity probe + temperature compensation | Boiler water, RO, feedwater |
| TDS blowdown | Controller + automatic valve | Keeps boiler TDS within limits |
Water analysis standards
| Standard | Scope |
|---|---|
| EN 12953-10 | Feedwater and boiler water for shell boilers |
| EN 12952-12 | Water quality for water-tube boilers |
| IEC 60746-2, -3 | pH and conductivity analysers |
| ISO 10523, EN 27888 | pH and conductivity methods |
| EN 61326-1 | Electromagnetic compatibility |
FAQ
Why blow down by TDS?
High TDS causes scale, foaming and carry-over. Blowing down on measured TDS wastes less water and heat than timed blowdown.
How often to calibrate a pH electrode?
Typically every 1–4 weeks depending on the medium; replace when slope falls below about 92 %.
ISE – Sales +84 909 617 185 – Technical +84 979 117 185 – [email protected]
