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pH Meter

  • Product Description

    • Large anti-attrition LCD screen, high definition dot-matrix background illumination
    • USB Interface: Data transfer software by USB connect to PC
    • Calibration point, slope can be record for each measurement mode
    • Temperature offset adjusting function
    • Built-in rechargeable Li-battery with low battery indicator (Bench-top Meter)
    • Beep sounds


    Additional Feature

    • 4-digit password
    • 4-digit Sample ID
    • 2-digit User ID
    • Date system: YY/MM/DD ; MM/DD/YY ; DD/MM/YY
    • Time system: 12H/24H



    Software data collection

    • Standard USB interface for bench-top style, and optional for Portable style
    • data collection PC software



    pH6221/ pH6220 standard

    pH Test Range

    -2.00 ~ 16.00pH

    mV Test Range

    -2000 ~ 2000mV

    Temperature Range

    -5.0~120.0°C,  23.0~248.0°F

    Temperature compensation

    Auto / Manual


    0.01pH, 0.1mV, 0.1°C, 0.1°F

    Test Accuracy

    ±0.01pH, ±0.2mV, ±0.3°C, ±0.5°F


    up to 5 points Calibration


    100 sets

    Auto Power Off

    10 minutes no key is pressed



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