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    Portable pH Meter for Water/Food, 0-16 pH Range

    Buy a professional handheld pH meter online, with a pH range of 0-16 covering a wide spectrum of acidity and alkalinity, enabling flexible measurement of various samples. This digital pen pH meter utilizes silver and platinum electrode leads to ensure accuracy with each measurement, suitable not only for water quality testing and food applications but also widely used in scientific research and aquaculture industry.
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    🚚 Free shipping
    🔙 30-day returns
    📅 Delivery: 7-12 days

    The waterproof rating of the digital pen-type pH meter is IP67, with a pH range of 0-16, specifically designed to withstand the harshest environments. The SISCO pH tester utilizes a 32-bit MCU for faster processing speed. An external temperature sensor made of NTC material provides temperature measurement accuracy of ±0.1℃ and temperature compensation. Additionally, the temperature sensor has a faster response speed.

    Waterproof digital pH meter

    Robust Protection, Wide Range

    • IP67 protection rating ensures the pH meter is protected against dust ingress and immersion in water up to a certain depth, making it suitable for use in various environments.
    • pH range from 0 to 16, covers the entire pH spectrum, allowing for versatile testing across acidic, neutral, and alkaline substances.
    • Approximately 18-second response time,  provides quick results, enabling efficient testing and analysis of pH levels in various samples.
    • Accuracy of 0.01 pH Offers precise measurements, ensuring reliable and consistent data for precise experimentation or analysis.
    • Utilizing NTC material, the external temperature sensor enhances response time and accuracy, guaranteeing a measurement precision of up to 0.1°C. 
    Digital pH meter details

    Replaceable Spherical Glass Electrode Tip

    • Powered by 7 AAA Alkaline batteries delivers sufficient power for prolonged operation, while the use of widely available AAA batteries ensures easy replacement and minimal downtime.
    • Facilitates quick and hassle-free battery replacement, minimizing downtime and ensuring uninterrupted workflow.
    • The pH meter incorporates a beeping function to signal various states, including powering on, completing calibration, achieving stable readings, and key presses.
    • Users can easily swap out the spherical glass electrode head, ensuring continued accuracy and reliability over time.


    The SISCO digital pH meter is utilized across industries such as aquaculture, leather production, water quality testing, scientific research, environmental water treatment, food brewing, textile manufacturing, and dough preparation for precise pH measurement and control.

    Dough making industry


    Water quality testing industry

    Water Quality Testing

    Fabric industry

    Scientific Research

    Scientific research industry

    Water Treatment



    Model SISCO-PH-10M
    Display Segment code screen
    Backlight Orange backlight
    MCU 32-bit
    pH Range 0-16.00pH
    pH Accuracy ±0.01pH
    Temperature Compensation Automatic, 0-60°C/32~140°F
    Operating Environment Temperature 0-60°C/ 32~140°F
    Temperature Accuracy ±0.1℃
    Temperature Sensor Structure External
    Compatible Electrode Sensor Type Spherical and planar sensors
    Standard Electrode Sensor Type Spherical electrode sensor
    Waterproof Grade IP67
    Automatic Lock  Yes
    Sound Switch Yes
    Temperature Scale Unit °C/°F
    Restore Initial Settings Yes
    Compatible Calibration Standards Default CHN 3-point calibration, European and American 2-point calibration
    Bluetooth Switch /
    Data Interface Protocol /
    Automatic Shutdown Automatically shut down after 300 seconds of no operation
    Power Supply 1.5V (AAA) 7# alkaline battery x 1
    Appearance Size 43*175mm
    Weight 500g



    Digital pH meter structure


    Q1: How to replace the electrode head of the SISCO digital pH meter?
    A1: Replacing the electrode head of the SISCO digital pH meter typically involves a few simple steps:

    1. Pull off the electrode cap directly, do not rotate to avoid damaging the electrode sensor.
    2. Unscrew the electrode fixing ring counterclockwise.
      Pull out the electrode head, do not rotate to avoid damaging the circuit.
    3. Align the two electrode grooves and push the electrode head into the main unit.
    4. Tighten the electrode fixing ring by rotating it clockwise.
      Put on the electrode cap, do not rotate to avoid damaging the electrode sensor.

    Q2: How to calibrate the SISCO digital pH meter?
    A2: Calibrating a digital pH meter like the SISCO model typically involves a few steps. Here's a general guide:

    1. Calibration is required for first-time use, battery replacement, and electrode replacement to ensure the accuracy of the 
      test. It is recommended to calibrate the meter every 2-4 weeks for optimal accuracy.
    2. Buffer solutions should be stored away from light and at low temperatures. Do not reuse buffer solutions, and discontinue use if there are any precipitates or spots in the buffer solution.
    3. Rinsing the electrode sensor before immersing it into the next buffer solution each time can improve calibration and testing accuracy.

    Q3: How to replace the digital pH meter battery?
    A3: Replacing the battery in a digital pH meter typically involves the following steps:

    1. Turn counterclockwise to remove the top cover.
    2. Push open the battery compartment cover.
    3. Remove the old battery and insert the new one (recommended to use 7# AAA alkaline dry battery).
    4. Close the battery compartment cover.
    5. Turn clockwise to tighten the top cover.

    Tips: Can a digital pH meter be used for different types of liquids?

    Yes, digital pH meters can be used for different types of liquids, but it's important to note that the accuracy and reliability of the measurements may vary depending on factors such as the composition and temperature of the liquid.

    pH meters are commonly used in various industries, including agriculture, food and beverage, environmental monitoring, and laboratory research. They can measure the acidity or alkalinity of liquids accurately within a certain range. However, some pH meters are designed specifically for certain types of liquids or environments, so it's essential to choose the appropriate pH meter for the specific application.

    Additionally, proper calibration and maintenance of the pH meter are crucial to ensure accurate readings across different types of liquids. Regular calibration using standard pH solutions and following manufacturer recommendations for cleaning and storage can help maintain the accuracy and longevity of the pH meter.


    Thank you for buying industrial test and measurement equipment on, all products sold by SISCO and the partner cover a 12 months warranty, effective from the date of receiving the products.

    What is covered?

    SISCO is responsible for providing free spare parts, and free technical support to assist the customer to repair the defective products until the problem is solved.

    What is not covered?

    • Product purchased from anyone other than a SISCO store or a SISCO authorized reseller.
    • Expendable parts.
    • Routine cleaning or normal cosmetic and mechanical wear.
    • Damage from misuse, abuse or neglect.
    • Damage from use of parts other than SISCO approved.
    • Damage from use outside the product’s usage or storage parameters.
    • Damage from use of parts not sold by SISCO.
    • Damage from modification or incorporation into other products.
    • Damage from repair or replacement of warranted parts by a service provider other than a SISCO authorized service provider.
    • Damage caused by the application environment not meeting the product usage requirements and the failure to perform preventive maintenance.
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