pH + °C measurement for Immersion fitting TA40
pH measurement and temperature measurement combined in the TA40 Immersion fitting from IMO.
General: The pH value is also dependent on the temperature of the test sample, because the slope of the measuring electrode increases as the temperature rises.Therefore, every pH measurement also includes a temperature measurement. If the calibration and the subsequent measurements are carried out at approximately the same temperatures (20...25°C), there is no need for temperature compensation. If, on the other hand, the temperature of the test solution differs from the temperature of the calibration solution, the measured pH value must be corrected. This also requires the transmission of the temperature of the measuring solution to the pH measuring and control instrument.
This possibility is provided in the TA40 pH Immersion fitting with built-in temperature sensor and measuring preamplifier, which converts the high-impedance pH signal into a low-impedance pH signal.
The wiring from the TA 40 pH Immersion fitting to the evaluation unit is carried out using a commercially available shielded cable. The low impedance pH signal and the temperature value are passed on to the pH measuring and control unit. Cable lengths of 100 m or more are possible.
The TA40 pH immersion fitting offers an elegant solution for pH and temperature measurement in a single unit by means of an immersion fitting in the tank.
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