Ph meter

PH Meter is used to measure the solution whether it is acidic or alkaline, revealing its hydrogen ion concentration. The pH scale ranges from 0 to 14, with 7 considered neutral, values below 7 indicate acidity and values above 7 indicate alkalinity.

Working of PH Meter

• PH Electrode: The heart of a digital pH meter is the pH electrode, which consists of a glass membrane and a reference electrode. The glass membrane is selectively permeable to hydrogen ions, allowing them to diffuse into the electrode.

• Ion Selective Electrode (ISE): The glass membrane is an ion-selective electrode, meaning it responds selectively to hydrogen ions. When the electrode comes into contact with a solution, the hydrogen ions from the solution penetrate the glass membrane, leading to an exchange of ions within the electrode.

• Potential Difference: The exchange of ions within the pH electrode creates a potential difference between the inside and outside of the electrode. This change in potential is based on how many hydrogen ions are in the solution.

• Calibration: Before using a digital pH meter, it needs to be calibrated using standard buffer solutions with known pH values. The calibration process adjusts the meter’s internal circuitry to ensure accurate measurements.

• Temperature Compensation: pH measurements can be affected by changes in temperature, so digital pH meters often include temperature sensors to automatically compensate for temperature variations and provide accurate pH readings.

• Display and Readings: The digital pH meter converts the potential difference generated by the pH electrode into a pH value, which is then displayed on the meter’s digital screen. The readings are typically shown with a high level of precision and accuracy.

• Maintenance: To maintain accuracy, digital PH Meters require regular maintenance, including proper storage, electrode cleaning, and periodic recalibration.

PH meter Specifications

Model LIC-PH2
Range 0.00 to 14.00
Resolution 0.02
Accuracy ± 0.02
Range 500.0 to + 500.0 mv
Temperature 5 to 70°c
Calibration Point Two
16×2 LCD
Power 220 Volt ± 10%, 50 Hz
Function Keys CAL, 4pH, 7pH
Dimensions 275x187x94mm (Approx)
Accessory Electrode Stand, Combined Glass Electrode, Buffer Tablets: 4.00 and 7.00, 100ml Bottle: 2, Instruction Manual

Top ph meter manufacturers in the market

Microsil India is a leading ph meter manufacturing company. Its pH meters are known for their accuracy, reliability, and user-friendly features, making them popular choices in laboratories and research facilities.

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