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Apera Instruments, LLC-AI1312 Apera Instruments 201T-S pH/Temp. Electrode, 8-pin Connector, The Replacement Electrode for Apera 400/400S Series Portable Meters

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$70.00

$ 29 .99 $29.99

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About this item

  • Built-in temperature sensor, testing pH and temperature simultaneously, enabling Auto. Temp. Compensation
  • Apera's special lithium glass membrane ensures generate quick and stable pH readings.
  • A detachable sensor shield is built upon the sensitive glass membrane to protect it from accidental damage.
  • Gel KCL electrolyte adopted; No need for refilling.
  • A unique junction composed of ceramic and fiber filament efficiently improves the problem of junction clogging.


Apera Instruments 201T-S pH Electrode is made for general water solutions' pH measurement in scientific research, environmental monitoring, and quality control. The built-in temperature sensor allows automatic temperature compensation. Apera's special lithium glass membrane ensures low impedance and stable potentials, which helps generate quick and stable pH readings. A unique junction composed of ceramic and fiber filament efficiently improves the problem of junction clogging. A detachable sensor shield is built upon the sensitive glass membrane to protect it from accidental damage. It's the replacement pH electrode for Apera PH400, PH400S, PC400, PH400S, PH400S. Measurement Range: 014 pH, 080?C (32176?F); Housing: Polycarbonate; Junction: Single Ceramic; Reference Electrode: Ag/AgCl; Connector: 8-pin; Size: ø12 160 mm; Cable: 3 Ft; Temperature unit: NTC 30K. Not suitable for testing in low-ion concentration solutions (eg: deionized water or distilled water), strong base solutions (pH>12), highly corrosive liquid, or for continuous testing in high-temperature solutions (>140F). The product is CE and RoHS certified, and is manufactured under an ISO 9001: 2015 certified quality system.


Alan Olick
Reviewed in the United States on July 6, 2023
Thank you
Bentley’s account
Reviewed in the United States on July 17, 2022
After balancing the probe to the receiver it works like the original probe that lasted 4 years