
RTM Online pH and ORP Analyzer Controller 96x96 Panel Mount
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A. Product Overview
RTM-ANL-PHORP-CONT-96 is an online pH and ORP Analyzer Controller used for continuous liquid quality monitoring and control. It is designed for panel mounting and is suitable for industrial automation panels, water treatment panels, dosing panels and process control systems.
The controller can be used for pH measurement or ORP measurement depending on the selected configuration and connected sensor. It is suitable for applications where acidity, alkalinity, oxidation reduction potential or chemical dosing control must be monitored continuously.
RTM-ANL-PHORP-CONT-96 supports 0 to 14 pH measurement and minus 2000 to 2000 mV ORP measurement. It provides relay outputs for dosing control, alarm control or process interlocking, and 4 to 20 mA retransmission output for PLC, SCADA, recorder or remote monitoring system integration.
The controller is designed with front keypad operation, making calibration, parameter setting and set point adjustment easy for the operator.
B. Working Principle
RTM-ANL-PHORP-CONT-96 works by receiving the signal from a connected pH or ORP sensor installed in the process liquid, water line, tank or flow cell.
For pH measurement, the pH sensor detects the hydrogen ion activity in the liquid and converts it into a millivolt signal. The controller processes this signal and displays the pH value. A low pH value indicates acidic liquid, while a high pH value indicates alkaline liquid.
For ORP measurement, the ORP sensor measures oxidation reduction potential in millivolts. ORP is used to understand the oxidizing or reducing condition of the liquid, which is important in disinfection, chemical dosing and water treatment processes.
The controller supports automatic or manual temperature compensation for pH applications. Temperature compensation helps improve measurement stability because pH readings are affected by temperature changes.
Based on the programmed set points, the relay outputs can operate acid dosing pumps, alkali dosing pumps, alarms, control valves or interlock circuits. The 4 to 20 mA retransmission output can send the measured value to PLC, SCADA, recorder or monitoring system.
C. Why It Is Used
RTM-ANL-PHORP-CONT-96 is used to continuously monitor and control pH or ORP in water and process liquid systems. In many industries, pH and ORP values directly affect product quality, treatment efficiency, chemical consumption and discharge compliance.
In ETP and STP plants, pH monitoring is required to maintain the correct treatment condition and meet discharge norms. In chemical dosing systems, the controller helps control acid and alkali dosing based on set points. In disinfection systems, ORP monitoring helps check oxidation strength and treatment effectiveness.
This controller reduces dependency on manual testing and helps maintain real-time control. Relay outputs can be used for automatic dosing and alarm operation, while 4 to 20 mA output helps integrate the measurement with automation systems.
Main reasons for using RTM-ANL-PHORP-CONT-96 include:
- Continuous online pH and ORP monitoring
- Automatic acid and alkali dosing control
- Better control of ETP, STP and water treatment processes
- ORP monitoring for oxidation and disinfection applications
- Reduced manual testing and operator dependency
- Relay output for dosing, alarm and process control
- 4 to 20 mA output for PLC, recorder and SCADA connection
- Temperature compensation for stable pH measurement
- Compact 96 x 96 panel mount design
- Easy front keypad operation for calibration and set point setting
D. Suitable Buyers
RTM-ANL-PHORP-CONT-96 is suitable for buyers who need online pH or ORP monitoring with relay control and analog output.
Suitable buyers include:
- ETP plant manufacturers
- STP plant manufacturers
- Water treatment plant suppliers
- RO plant manufacturers
- Chemical dosing system manufacturers
- Industrial panel builders
- Automation system integrators
- PLC and SCADA solution providers
- Pharma industry utility departments
- Chemical processing plants
- Food and beverage processing plants
- Textile and dyeing industries
- Cooling water treatment companies
- Wastewater treatment plant operators
- Environmental monitoring companies
- Maintenance and purchase departments looking for online pH and ORP controllers
FAQ
1. What is RTM-ANL-PHORP-CONT-96?
RTM-ANL-PHORP-CONT-96 is a panel mounted pH and ORP Analyzer Controller used for online measurement and control of pH or ORP in water and process liquid applications.
2. Can this controller measure both pH and ORP?
Yes, the controller is designed for pH and ORP applications. It can be configured based on the connected sensor and application requirement.
3. What is the pH measuring range?
The pH measuring range is 0 to 14 pH.
4. What is the ORP measuring range?
The ORP measuring range is minus 2000 mV to 2000 mV.
5. What is the display type of RTM-ANL-PHORP-CONT-96?
The RTM-ANL-PHORP-CONT-96 model is listed with a segment display.
6. What is the resolution of this controller?
The resolution is 0.01 pH for pH measurement and 1 mV for ORP measurement.
7. What is the accuracy of this controller?
The listed accuracy is plus or minus 0.3 pH and plus or minus 2 mV.
8. Does this controller support temperature compensation?
Yes, it supports temperature compensation for pH measurement. The catalog mentions automatic or manual temperature compensation.
9. Does RTM-ANL-PHORP-CONT-96 have relay output?
Yes, it has two relay outputs for dosing control, alarm operation, pump control or process interlocking.
10. Does this controller have analog output?
Yes, it provides 4 to 20 mA retransmission output for sending the measured value to PLC, SCADA, recorder or remote display.
11. What is the power supply requirement?
The controller supports 90 to 260 VAC power supply, with 24 VDC optional power as per catalog configuration.
12. What is the size of this controller?
The controller size is 96 x 96 x 85 mm.
13. Where is RTM-ANL-PHORP-CONT-96 used?
It is used in ETP, STP, water treatment, chemical dosing systems, cooling water, wastewater treatment, process water, pharma utilities, food and beverage plants and industrial automation panels.
14. Can it be used for acid and alkali dosing control?
Yes, it can be used for acid and alkali dosing control by setting low and high pH limits and using relay outputs to operate dosing pumps.
15. Can it be connected to PLC or SCADA?
Yes, the 4 to 20 mA retransmission output can be connected to PLC, SCADA, recorder or monitoring systems.
16. What type of sensor is used with this controller?
It is used with a suitable pH sensor or ORP sensor depending on the application. Sensors can be selected based on temperature, pressure, body material, connection and cable length requirement.
17. Is this controller suitable for wastewater treatment?
Yes, it is suitable for wastewater treatment plants because pH monitoring and control are important for treatment efficiency and discharge compliance.
18. Is this controller suitable for disinfection monitoring?
Yes, when used as an ORP controller, it can help monitor oxidation reduction potential in disinfection and chemical treatment applications.
19. Why is pH monitoring important in industrial water treatment?
pH monitoring helps control acidity and alkalinity in water. It is important for chemical dosing, corrosion control, biological treatment, discharge compliance and process safety.
20. Who should buy RTM-ANL-PHORP-CONT-96?
This product is suitable for ETP and STP manufacturers, water treatment companies, chemical dosing system makers, panel builders, system integrators, pharma plants, food and beverage plants, textile units and industrial maintenance teams.

