pH Controller in Lakhimpur
pH Controller in Lakhimpur is used to measure and control the pH value of water, chemical solutions, process liquids and industrial fluids. UMA Industries supplies reliable digital pH controllers, online pH meters, pH sensors and pH electrodes for RO plants, ETP/STP plants, water treatment plants, chemical dosing systems, laboratories, hospitals, hotels, food processing units and industrial process applications.
Our pH controller is suitable for automatic acid and alkali dosing. It continuously measures the pH value through a pH electrode and provides relay output for dosing pump, alarm, solenoid valve or control panel interlock as per process requirement.

Technical Specifications: pH Controller in Lakhimpur
- Range: 0.00 to 14.00 pH
- Resolution: 0.01 pH
- Calibration: Front panel screw calibration for 4 pH and 7 pH buffer solution
- Input: pH probe / electrode with standard BNC connector
- Display: Seven-segment bright LED display
- Operating Voltage: 220 VAC
- Panel Size: 96 mm × 96 mm × 85 mm
- Body: PP / ABS enclosure
- Application: Water, chemical solution, RO, ETP, STP and industrial process liquid
- Mounting: Panel mounted online type
pH Controller Supply in Lakhimpur and Nearby Cities
We supply pH Controller in Lakhimpur and nearby industrial towns, cities and commercial areas. Our products are used in water treatment, food processing, dairy plants, rice mills, sugar mills, chemical dosing systems, laboratories, hospitals, hotels, schools, colleges and process industries.
Our supply coverage includes Lakhimpur, Kheri, Lakhimpur Kheri, Gola Gokarannath, Palia Kalan, Mohammadi, Nighasan, Dhaurahara, Mailani, Tikunia, Sampurna Nagar, Bhira, Oel, Phool Behar and Mitauli. We also supply to nearby business and industrial locations such as Sitapur, Shahjahanpur, Hardoi, Pilibhit, Bareilly, Bahraich, Lucknow, Barabanki, Kanpur, Unnao, Rae Bareli and Ayodhya.
Customers from these areas can contact us for digital pH controller, pH controller with relay output, online pH meter, pH electrode, pH sensor, 4-20 mA pH meter, 0-10 VDC pH meter and RS485 Modbus pH controller. We support all India dispatch and provide guidance for installation, calibration and correct product selection.
Why Choose Our pH Controller in Lakhimpur?
- Reliable pH measurement and automatic control
- Suitable for acid and alkali dosing pump control
- Easy 2-point calibration using 4 pH and 7 pH buffer solution
- Bright LED display for clear pH value indication
- Compatible with standard pH electrode with BNC connector
- Panel-mounted design for industrial control panels
- Useful for RO, ETP, STP, water treatment and process industries
- Available with relay output, analog output and Modbus options
Applications of pH Controller in Lakhimpur
Water Treatment Plants
pH controllers are used in water treatment plants to control acidic and alkaline conditions. The controller can operate dosing pumps to maintain the required pH value.
ETP and STP Plants
Effluent treatment plants and sewage treatment plants require pH control before discharge. A digital pH controller helps maintain process quality and supports better neutralisation control.
RO Plants
In RO plants, pH control is important for feed water conditioning and chemical dosing. Online pH controllers help maintain stable process conditions.
Chemical Dosing Systems
Digital pH controllers are used in chemical dosing systems where acid or alkali dosing is required automatically according to the measured pH value.
Food Processing and Dairy Plants
Food processing and dairy applications require pH monitoring for process consistency, cleaning systems, treated water quality and utility water control.
Rice Mills and Agro Processing Units
Lakhimpur and nearby areas have agro-based activities where water quality monitoring, chemical treatment and utility water pH control may be required.
Sugar Mills and Process Industries
Sugar mills and process plants use pH monitoring and control in water treatment, chemical dosing and process utility applications.
Hospitals, Hotels and Commercial Utilities
pH controllers can be used in water treatment, wastewater treatment, swimming pool systems and utility water applications in hotels, hospitals and commercial buildings.
Types of pH Meters and pH Controllers Available
We supply different types of pH meters and pH controllers for online, laboratory and industrial applications. You can select the correct model according to your process requirement, output signal and installation method.
- Digital pH Meter Online – Panel mounted online pH meter with 2-point calibration.
- Digital pH Meter with 0-10 VDC Output – Suitable for PLC and signal monitoring systems.
- Digital pH Meter with 4-20 mA Output – Industrial analog output model for process control.
- RS485 Modbus RTU pH Controller – Suitable for SCADA and digital communication applications.
- Table Top pH Meter – Suitable for laboratory and sample testing.
- pH Sensor / Probe / Electrode – Replacement sensor for pH meter and pH controller.
To view more models, visit our pH Meter product category.
pH Controller Distributor and Supplier in Lakhimpur
We supply digital pH controllers for automatic dosing, alarm output and process control applications. These controllers are suitable for water treatment, chemical dosing, neutralisation tanks, RO plants, ETP/STP systems and industrial process automation.
- pH Controller with 1 Relay – 2-point calibration, 1 set point and single relay output.
- pH Controller with 2 Relay Output – 2 set points and 2 relay outputs for control applications.
- Digital pH Controller Online – Online pH controller with auto calibration and relay output.
- pH Controller with Dosing Quantity and Delay – Suitable for dosing quantity and analysis time setting.
To view more controller models, visit our pH Controller product category.
Calibration Process for pH Controller
Calibration with 7 pH Buffer Solution
- Clean the pH electrode with clean water.
- Dip the electrode in standard 7 pH buffer solution.
- Wait until the reading becomes stable.
- Rotate the 7 pH calibration screw slowly.
- Set the display value to 7.00 pH.
Calibration with 4 pH Buffer Solution
- Wash the electrode again with clean water.
- Dip the electrode in standard 4 pH buffer solution.
- Wait until the display reading becomes stable.
- Rotate the 4 pH calibration screw slowly.
- Set the display value to 4.00 pH.
For accurate pH control, always use fresh buffer solution and clean the pH electrode before calibration. Do not rub the glass bulb harshly because it can damage the sensitive surface of the electrode.
Work Instructions and User Precautions
- Install the pH controller in a clean and dry electrical panel.
- Use a suitable pH electrode according to the process liquid.
- Do not keep the pH electrode dry for a long time.
- Clean the electrode regularly in dirty water, chemical solution or effluent.
- Keep pH signal cable away from high voltage wiring and motor cables.
- Use standard 4 pH and 7 pH buffer solution for calibration.
- Use relay output through contactor or interposing relay for higher pump load.
- Protect the controller from water splash, acid fumes and high humidity.
- Replace the electrode if readings become slow, unstable or incorrect.
Benefits of pH Controller in Lakhimpur
A pH controller helps industries automate pH correction and reduce manual dosing work. It improves chemical dosing accuracy, maintains process stability and supports better quality control. For customers in Lakhimpur and nearby cities, online pH controllers are useful in water treatment, chemical dosing, RO plants, ETP/STP plants and process utilities.
- Automatic pH measurement and control
- Useful for acid and alkali dosing
- Improves neutralisation control
- Reduces manual pH checking
- Supports water treatment and process automation
- Suitable for industrial control panels
- Easy operation and simple calibration
FAQs: pH Controller in Lakhimpur
What is a pH Controller?
A pH controller is an instrument used to measure pH value and control external devices such as dosing pumps, alarms or valves according to the set pH limit.
What is the difference between pH meter and pH controller?
A pH meter only measures and displays pH value. A pH controller measures pH and also gives relay output for automatic dosing or alarm control.
Where is pH Controller used?
It is used in RO plants, ETP plants, STP plants, water treatment systems, chemical dosing systems, laboratories, hotels, hospitals and industrial process applications.
Do you supply pH Controller in Lakhimpur?
Yes, we supply pH controllers, online pH meters, pH sensors and pH electrodes for customers in Lakhimpur and nearby cities.
Which nearby cities do you supply?
We supply to Lakhimpur, Kheri, Lakhimpur Kheri, Gola Gokarannath, Palia Kalan, Mohammadi, Nighasan, Sitapur, Shahjahanpur, Hardoi, Pilibhit, Bareilly, Bahraich and Lucknow.
Can this pH Controller operate a dosing pump?
Yes, the relay output of a pH controller can operate a dosing pump through proper wiring, contactor or interposing relay as per pump rating.
Can I use this controller for acid and alkali dosing?
Yes, pH controllers are suitable for acid dosing and alkali dosing according to process requirement and set point logic.
How is the pH Controller calibrated?
The pH controller is calibrated using standard 7 pH and 4 pH buffer solutions through front panel calibration adjustment.
Do you supply pH electrode also?
Yes, we supply pH electrodes, probes and sensors suitable for pH meters, pH indicators and pH controllers.
Do you supply pH Controller across India?
Yes, we supply pH controllers, pH meters and pH electrodes across India with dispatch support and technical guidance.
Business Partner / Dealer Opportunity
Join us as a business partner, dealer, distributor or stockist in your city. If you are interested in pH controllers, pH meters, pH sensors and industrial instruments, you can send your proposal to us. Your efforts will be highly appreciated.
Our Other Websites
- phmeters.in – pH meters, pH controllers, sensors and industrial instruments.
- salt-spray-chamber.in – Salt spray chamber and corrosion test chamber products.
- water-tank.in – Overhead tanks, water storage tanks and chemical tanks.
- YouTube Channel – Product videos and updates.
- MCS Facebook Page – Recent offers and updates.
- Robotech Learning Channel – Product tutorials and technical videos.
Useful Reference
For basic understanding of pH measurement, you may also read this external reference: pH value information.
Contact us for pH Controller in Lakhimpur, online pH meter, pH electrode, pH sensor and industrial pH control solutions.
Need help choosing? Call/WhatsApp us for industrial pH/ORP solutions.




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