EN
1. High-Accuracy pH & ORP Measurement: Supports a wide measurement range of 0-14 pH and -2000 to +2000 mV with accuracy up to ±0.02 pH, ensuring precise and reliable real-time water quality monitoring.
2. Dual Industrial Outputs & Smart Control: Features isolated 4-20mA analog output and RS485 Modbus-RTU communication, along with 2-way SPDT relay alarm dry contacts (250VAC, 3A) for automated dosing and alert systems.
3. Intelligent Temperature Compensation (ATC): Offers automatic and manual temperature compensation (-10°C to 130°C) compatible with NTC10K and Pt1000 sensors to prevent measurement drift.
4. Rugged Industrial ASP2330 Glass Electrode: Equipped with PG13.5 standard process connection, porous ceramic diaphragm salt bridge, and up to 0.6 MPa (6 bar) pressure resistance for harsh liquid environments.
5. Clear 2.8-Inch LCD & Versatile Mounting: Features a 128x64 resolution backlit display and an industrial 100x100x150mm housing that supports both panel mount and wall mount configurations.
6. Wide Application Scope: Widely used in HVAC cooling water systems, industrial wastewater treatment, sewage processing, environmental monitoring, and chemical process control.
Industrial Online pH Controller with Glass Electrode 4-20mA RS485 Modbus 2 Relays Output Water Quality pH ORP Meter
Spu:
1601936053450
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About Us
Ningbo GLGW Nova Materials Technology Co., Ltd., established in 2025, specializes in industrial pH and ORP measurement solutions. With 51-100 employees, it serves a domestic market of 50% and international clients across multiple regions. The company offers high-precision pH meters with 0.1 pH accuracy, supporting 4-20mA and RS485 Modbus outputs for automated control.
FAQs
What is the measurement range and accuracy of this pH controller?
The PH6.5 controller supports 0-14 pH and -2000 to +2000 mV (ORP) with an accuracy of up to ±0.02 pH. It delivers reliable, real-time continuous monitoring for industrial wastewater, HVAC cooling towers, and chemical process control.
What signal outputs and communication protocols are supported?
It comes standard with an isolated 4-20mA analog output and RS485 Modbus-RTU communication for easy PLC/DCS integration. It also features 2-way SPDT relay alarm dry contacts (250VAC, 3A) and optional 4G IoT cloud upload.
Does the system support Automatic Temperature Compensation (ATC)?
Yes, it features both automatic and manual temperature compensation across -10°C to 130°C. It is compatible with NTC10K and Pt1000 temperature sensors to ensure accurate readings without thermal drift.
What power supply options are available for this controller?
We offer standard 220V AC (50/60Hz), 110V AC, and 24V DC power supply configurations to match different industrial cabinet and on-site electrical standards.
What are the process connection and pressure specs for the electrode?
The ASP2330 glass pH electrode features standard PG13.5 process threads, a porous ceramic diaphragm, and a pressure resistance rating of up to 0.6 MPa (6 bar) for demanding pressurized pipelines and tanks.
Do you support OEM branding, custom cable lengths, and accessories?
Yes, we provide full OEM/ODM customization including custom logos, packaging, 304SS mounting brackets, protective sleeves (SS316/PTFE), and electrode cable lengths of 5m, 10m, 15m, 20m, or 30m.
