Hydroguard HG-202

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The HYDROGUARD HG-202 offers reliable online amperometric water quality analysis and control with built-in support for pH and temperature and optional free chlorine, ORP (redox) and turbidity.

Stable and reliable chlorine measurements are ensured with integrated pH and temperature compensation. 

Unique management of the pool’s heat control saves the need for an external temperature controller.
Safety is guaranteed with two simultaneous chlorine dosing systems to ensure constant operation. 

Integrated flow switch prevents chlorination or addition of chemicals when there is no flow, and a sealed sampling cell enables recycling of the sampled water into the pool to prevent waste.

The system interfaces with external equipment; includes up to 4  industry standard 4-20mA indication as well as 6 alarm relays. 

Wireless communication option increases safety and allows for 24/7 remote alarm monitoring and control by the pool administrator, saving unnecessary maintenance. This real time information allows you to manage and monitor your pool conditions anytime, anywhere.

Quick & easy installation, seamless operation and minimal maintenance make the HYDROGUARD HG-202 an ideal tool for private and public pools and spas.  Around the world, the HYDROGUARD HG-202 provides our customers with peace of mind through reliability, simple operation, and long-term savings. 

Customized Multi-Parameter System

The HYDROGUARD® HG-202 delivers a high-precision solution for monitoring and dosing control of free chlorine and pH for swimming pools. The HG-202 provides reliable measurement and control with automatic compensation for pH and temperature. It is as simple as plug and play.

Versatile Chlorine Measurement & Control

The HG-202 enables users to accurately disinfect the pool by using a wide range of chemicals, such as calcium/sodium hypochlorite disinfectants. A range of safety features assures smooth and secure operation.

Flexible Options

Beyond its powerful standard features, the HG-202’s performance is enhanced with optional measurements including a low-range turbidity sensor, flow meter and redox control.

Wireless Communication

The HG-202 wireless communication capabilities transfer data directly to the user’s computer or mobile phone, providing real-time data and alarms. Enables offsite management of pool conditions – anytime, anywhere.

Proven Results

Based on HYDROGUARD®’s proven platform, the HYDROGUARD® HG-202 reduces pool maintenance time and increases pool owner satisfaction.



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