Two Relays 4-20mA Online pH/ORP Controller for Water Treatment

Two Relays 4-20mA Online pH/ORP Controller for Water Treatment. Comprehensive Warranty: 1-year warranty with lifetime free technical support included. Large LCD Display: 3.2-inch large digital screen for clear data monitoring. Dual Relay Control: Two SPST multi-function relays with 3A/250VAC max load. IP66 Waterproof Design: Sealed enclosure isolates pollution and corrosive gases effectively. Temperature Compensation: NTC10K/PT1000 sensors ensure accurate readings across temperatures. Multiple Certifications: Certified by ISO9001, CE, and SGS for quality assurance. RS485 Communication: Supports RS485 Modbus RTU for seamless system integration. Flexible Customization: Offers full, minor, and design-based customization options.