PHG-2091Pro Automatic pH Controller with EC/ORP Meter

High-Precision Monitoring
Industrial-grade glass electrode ensures ±0.1pH accuracy for stable, long-term performance in harsh environments.
Multi-Parameter Control
Simultaneously measures pH, EC (conductivity), and ORP (oxidation-reduction potential) via RS485 or 4-20mA outputs for seamless system integration.
Durable & Low Maintenance
Chemical-resistant ABS housing with IP65 waterproof rating; automatic temperature compensation (ATC) for reliable readings from 0-60°C.
Smart Automation
Programmable relays for dosing pumps or alarms; supports OEM/ODM customization to fit lab, aquaculture, hydroponics, or wastewater treatment systems.
Easy Installation
Panel-mount design with clear LED display; includes pre-drilled holes for quick setup in industrial panels or control cabinets.
1-Year Warranty
Backed by global support and bulk-order discounts—trusted by commercial growers and water treatment facilities worldwide.