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T-721 Precise pH/DO Meter


The T-721 Precise pH/DO Meter ensures precise pH and dissolved oxygen measurements with a user-friendly touchscreen, multi-point calibration, automatic temperature compensation, and data logging. Ideal for laboratory, industrial, and environmental applications requiring reliable water quality analysis.

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Main Features:

  • 7 inch color capacitive screen with high resolution (1024*600) and sensitivity, which can show more parameters, more intuitive and simpler to read data.
  • Auto calibration, auto temperature compensation, data storage, USB data export, clock, wireless printing, function setup, smart self-diagnosis and other intelligent functions.
  • English and Chinese operating system, humanized design with adjustable screen brightness.
  • Auto recognition of standard pH buffer solutions and there are three kinds of standard buffers for option: USA series, NIST series and China series.
  • Built-in big memory can store 1000 sets of test data which can be saved and transferred to USB and opened with Excel, very easy and convenient for edit.
  • DO mode has functions of ATC, auto salinity compensation and auto pressure compensation.
  • New structure polarographic DO electrode can measure temperature, salinity and dissolved oxygen simultaneously, equipped with special DO electrode calibration sleeve, only need 3~5 min for polarization.
  • Combined diaphragm cap makes it extremely convenient to replace the sensitive membrane just by screwing the new cap to the electrode.
  • DO measurement is polarographic and suggested to be used with our magnetic stirrer or other appropriate models chosen by customers.
  • With standard Bluetooth module and support wireless Bluetooth printing to make operations much easier for users. Optional data transmission to PC and cell phone via Bluetooth.
  • IP54 dustproof and waterproof housing.
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