Hydro Instruments is pleased to introduce its new series Gas Leak Detector, equipped with much more features and newest technology.

Please visit our Electronics page for more ... [ read more ]

Hydro Instruments is pleased to announce the New Vaporizer (Evaporator) System for Chlorine, Ammonia and Sulfur Dioxide.

We have learned the pros and cons of vaporiser (evaporator) system from our major competitors;
And from it, now we have built the Best vaporiser ... [ read more ]

Introducing The New OV-1000 Omni-Valve

• Automatic feed control of Chlorine (Cl2), Sulfur Dioxide (SO2) & Ammonia gas (NH3) - Liquid feed control of Sodium Hypochlorite (NaOCl) and *others.
• Elongated linear drive design for increased accuracy - Eliminates rotary motion for ... [ read more ]

• Hydro Instruments Omni Valve is now standard equipped for remote communication by Modbus using the Modbus RTU (RS-485) physical standard.

• Connect multiple Omni Valves to a single Modbus controller.

• Features like dosage, chemical feed rate, integral value, ... [ read more ]