Industrial pH ORP Online Monitor PHORP600 | Reliable China Factory Suppliers

Looking for reliable industrial water monitoring? Our PHORP-600 offers stable pH and ORP measurement with 3-point auto-calibration. As leading China factory suppliers, we provide this compact, high-precision solution for sewage and pure water systems globally.

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Product Details

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Product Details

The PH/ORP-600 is a professional-grade, cost-effective industrial online monitor specifically engineered for continuous water quality surveillance. Designed to maintain long-term stability within the most demanding industrial environments, this versatile controller supports both pH and ORP measurements. With high input impedance, it is fully compatible with most standard pH/ORP composite electrodes, making it an ideal solution for sewage treatment plants and high-purity water systems.

Integrating advanced EMC anti-jamming circuitry, the PH/ORP-600 ensures precise data acquisition even in electrically noisy settings. Its compact panel-embedded design allows for seamless installation into existing control systems, while the dual-power supply options and wide humidity tolerance ensure operational reliability across various chemical and water treatment applications.

Detailed Parameters

Measurement RangepH (0-14 pH) / ORP (-1200 to +1200 mV)Resolution0.01 pH / 0.2 mV
Accuracy± 0.1 pH / ± 1 mVDisplay ModeHigh-clarity LCD
CalibrationThree-point auto-calibrationStandard SolutionspH 4.00/6.86/9.18 (Standard) or 4.01/7.00/10.01 (Optional)
Pressure Resistance0 to 0.5 MPaMax Flow Velocity≤ 3 m/s
Power SupplyAC 220V ±10% / AC 110V ±10% / DC 24V or 12VDimensions48 x 96 x 100 mm (H x W x D)

Key Advantages


Industrial Durability

Built with an advanced EMC anti-jamming circuit for stable performance in harsh industrial environments.


Efficient Calibration

Three-point auto-calibration with automatic standard solution identification for rapid setup.


Precision Control

High-precision relays for high/low limit alarms and precise dosing control via NO contact output.


Versatile Integration

Isolated 4-20mA signal output and optional RS485 Modbus RTU for seamless PLC integration.


Compact Design

Panel-embedded installation saves space while maintaining simple operation and low maintenance.


Broad Compatibility

Matches most common pH/ORP composite electrodes used in pure water and waste systems.

Product Gallery

Management Platforms

Automated Dosing

Utilize high/low limit relays to automate chemical dosing for precise pH balance.

PLC Synchronization

Integrated 4-20mA isolated output for real-time data transmission to central PLC systems.

Alarm Monitoring

Instantaneous alarm triggers via relay contacts when water quality exceeds safety limits.

Remote Communication

Optional RS485 Modbus RTU enables remote monitoring and data logging across the facility.

Temperature Compensation

Manual temperature compensation (0-100°C) ensures accuracy across varying water temps.

Modular Sensor Input

Compatible with 3/4" NPT threaded electrodes for easy replacement and maintenance.

Investment Return Comparison

Feature MetricStandard MonitorsPH/ORP-600 Series
Installation CostHigh (Complex wiring)Low (Compact Panel Mount)
Calibration TimeManual/SlowAuto-ID / Rapid
Signal StabilityProne to interferenceHigh (EMC Shielded)
Maintenance CycleFrequentLong-term Stable
System IntegrationBasic AnalogAdvanced (4-20mA/RS485)

Frequently Asked Questions

Q: How does the PH/ORP-600 handle industrial electrical interference?

The device features an advanced EMC anti-jamming circuit specifically designed to filter out electrical noise, ensuring stable readings in harsh industrial environments.

Q: Can this controller be used for both pure water and sewage?

Yes, the PH/ORP-600 is designed with high input impedance to match a wide variety of composite electrodes suitable for both sewage and pure water systems.

Q: What is the benefit of three-point auto-calibration?

Three-point calibration ensures a more linear and accurate measurement across the entire pH range, while automatic solution identification reduces human error during setup.

Q: How should the sensors be installed for maximum accuracy?

Electrodes should be installed in areas with steady flow speed, submerged deeply, and positioned where air bubbles do not gather to prevent inaccurate readings.

Q: Does the PH/ORP-600 support remote data logging?

Yes, by selecting the optional RS485 Modbus RTU communication module, you can connect the device to a SCADA or remote monitoring system for data logging.

Q: What is the maximum pressure the sensors can withstand?

The measuring electrodes are designed to withstand compression resistance ranging from 0 to 0.5 MPa.

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