Dual Relay pH Controller with Dosing Pump

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This dual relay pH controller combines automated dosing pump control with hi/low range alarms and data logging, making it a comprehensive solution for maintaining stable pH levels across a variety of water-based environments. It monitors pH in real time and triggers acid or base dosing pumps automatically when levels drift outside user-defined thresholds, reducing the need for constant manual intervention. Overall, it offers a solid feature set for hobbyists and small-scale operators who want reliable, hands-off pH management without stepping up to industrial-grade systems.
Key Features & Specs
| Control Type | Dual relay output for independent high and low pH dosing pump activation |
|---|---|
| Alarm System | Audible and visual hi/low range alarms that trigger when pH drifts beyond set parameters |
| Data Logging | Built-in data logging records pH readings over time for trend analysis and record keeping |
| Display | Digital LCD screen showing real-time pH readings and current system status |
| Compatibility | Suitable for hydroponics, greenhouses, aquariums, aquaculture, and general water treatment systems |
| Probe Input | Standard BNC pH electrode connection compatible with most replacement probes |
| Power | AC-powered unit with relay outputs rated for connecting low-voltage dosing pumps |
Best for: Hobbyist growers, aquaculture enthusiasts, and small greenhouse operators who want automated, set-and-forget pH dosing with alarm monitoring and basic data logging without the complexity or cost of commercial-grade systems.