pH Meter in Allahabad
pH Meter in Allahabad is used to measure the pH value of water, chemical solutions, process liquids and industrial fluids. UMA Instruments supplies reliable pH meters, online pH meters, pH controllers, pH sensors and electrodes for industries, laboratories, water treatment plants, RO plants, ETP/STP plants and chemical process applications in Allahabad and nearby areas.
Our pH meter is designed for accurate pH measurement, easy calibration and long-term industrial use. It is suitable for continuous monitoring of acidic or alkaline liquid in control panels, dosing systems and process plants.

Technical Specifications: pH Meter in Allahabad
- Range: 0.00 to 14.00 pH
- Resolution: 0.01 pH
- Calibration: Front panel screw calibration for 4 pH and 7 pH value
- Input: pH probe / electrode with standard BNC connector
- Display: Seven-segment bright LED display
- Operating Voltage: 220 VAC
- 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
Why Choose Our pH Meter in Allahabad?
Industries in Allahabad require accurate pH measurement for water treatment, chemical dosing, neutralization, quality checking and process control. Our pH meter gives stable readings and helps operators monitor liquid quality with confidence. The instrument is simple to install, easy to calibrate and suitable for regular industrial operation.
- Accurate pH measurement from 0.00 to 14.00 pH
- Bright LED display for easy reading
- Front panel 2-point calibration
- Compatible with standard pH electrode with BNC connector
- Suitable for industrial panel mounting
- Useful for water treatment, chemical dosing and process monitoring
- Available with optional analog output and controller models
Applications of pH Meter in Allahabad
Water Treatment Plants
pH meters are widely used in water treatment plants to check acidic and alkaline conditions. Proper pH monitoring helps maintain water quality and improves chemical treatment performance.
RO Plants
In RO systems, pH measurement is important for feed water, treated water and chemical dosing. A pH meter helps maintain correct process conditions.
ETP and STP Plants
Effluent treatment plants and sewage treatment plants require pH monitoring before discharge. A pH meter helps maintain better process control and treatment quality.
Chemical Industries
Chemical industries use pH meters for reaction control, neutralization and quality checking of acidic and alkaline solutions.
Electroplating Industries
Electroplating processes require controlled pH levels for better surface finish and bath stability. A pH meter is useful for plating solution monitoring.
Food, Dairy and Beverage Plants
pH measurement is important in food, dairy and beverage applications where process quality and consistency are required.
Pharmaceutical and Laboratory Use
Laboratories and pharma plants use pH meters for testing samples, process liquids and prepared chemical solutions.
Types of pH Meters Available
We supply different types of pH meters for online, laboratory and industrial applications. You can select the right model according to your output requirement, installation type and process application.
- Digital pH Meter Online – Panel mounted 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.
- Digital pH Meter with RS485 Modbus – Suitable for SCADA, PLC and digital communication systems.
- 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 products, visit our pH Meter product category.
pH Controller Distributor and Supplier in Allahabad
Along with pH meters, we also supply digital pH controllers for automatic control applications. A pH controller is used where relay output, dosing pump control, solenoid valve operation or alarm control is required. It is suitable for chemical dosing, water treatment, neutralization and 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 settings.
Calibration Process for pH Meter
Calibration with 7 pH Buffer Solution
- Clean the pH electrode with clean water.
- Dip the electrode in standard 7 pH buffer solution.
- Wait for the reading to become 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 results, always use fresh buffer solution and clean the pH electrode before calibration. Do not rub the glass bulb harshly because it may damage the sensitive surface of the electrode.
Work Instructions and User Precautions
- Install the pH meter in a clean and dry control 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 or chemical applications.
- Keep signal cable away from high voltage wiring and motor cables.
- Use standard 4 pH and 7 pH buffer solution for calibration.
- Replace the electrode if readings become very slow, unstable or incorrect.
- Protect the instrument from water splash, acid fumes and excessive humidity.
Benefits of pH Meter in Allahabad
A pH meter helps industries reduce manual testing and improve process control. Continuous pH measurement allows operators to take quick action during chemical dosing, water treatment and neutralization. It also helps maintain product quality, reduce wastage and improve plant performance.
- Continuous pH monitoring
- Better control of acidic and alkaline solutions
- Reduced manual testing work
- Improved chemical dosing control
- Useful for industrial quality checking
- Simple operation and easy calibration
FAQs: pH Meter in Allahabad
What is a pH Meter?
A pH meter is an instrument used to measure the acidity or alkalinity of water, chemical solutions and process liquids.
What is the range of this pH Meter?
The standard measuring range is 0.00 to 14.00 pH with 0.01 pH resolution.
Where is pH Meter used?
It is used in RO plants, ETP plants, STP plants, chemical industries, electroplating, dairy, pharma, laboratories and water treatment applications.
How is the pH Meter calibrated?
The pH meter is calibrated using 7 pH and 4 pH standard buffer solutions through front panel calibration screws.
Can I use this pH Meter for online measurement?
Yes, this model is suitable for online panel-mounted pH measurement in industrial process applications.
Do you supply pH electrode also?
Yes, we supply pH electrodes, probes and sensors suitable for pH meters and pH controllers.
Is pH Controller available with relay output?
Yes, pH controllers are available with 1 relay, 2 relay, dosing delay and other control options.
Can I get pH Meter with 4-20 mA output?
Yes, pH meters are available with 4-20 mA output, 0-10 VDC output and RS485 Modbus communication.
Do you supply pH Meter in Allahabad?
Yes, we supply pH meter, online pH meter, pH controller and pH electrode for customers in Allahabad and across India.
Which pH Meter is best for industrial use?
For industrial use, an online panel-mounted pH meter or pH controller is generally preferred because it provides continuous monitoring and control facility.
Business Partner / Dealer Opportunity
Join us as a business partner, dealer, distributor or stockist in your city. If you are interested in pH meters, pH controllers, sensors and industrial instruments, you can send your proposal to us. Your efforts will be highly appreciated.
Useful Reference
For basic understanding of pH measurement, you may also read this external reference: pH value information.
Contact us for pH Meter in Allahabad, online pH meter, pH controller, pH sensor and industrial pH measurement solutions.
Need help choosing? Call/WhatsApp us for industrial pH/ORP solutions.


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