GroLine - pH / EC / TDS / Temperature probe with polypropylene body and multi-pin DIN connector

  • PRODUCT: 54217
€ 195,20
In Stock in 3-7 working days
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pH, EC / TDS and temperature

The HI1285-8 multiparameter probe measures pH, EC / TDS and temperature in a convenient rugged probe. Use with the GroLine HI981420 monitor to provide 24/7 continuous monitoring of pH, conductivity (EC and TDS) and temperature in hydroponic nutrient solutions. A probe. Three measurements. The built-in temperature sensor ensures fast and accurately compensated readings even during sudden temperature fluctuations. Specialized for hydroponics with a renewable junction for longer life.

Preamplified pH electrode

The pH electrode circuit has an integrated amplifier which serves to reduce the effects of electrical noise on the high impedance pH measurement. Electrical noise can come from common motors and pumps in greenhouses. The single reference junction design of the pH electrode has a tissue junction that allows movement of ions between the internal gel electrolyte and the sample to be measured. The advantage of the fabric joint is that it can be pulled out of the probe, exposing a cool surface when readings become adrift or erratic. These features make this probe ideal for use in fertilizer solutions.

EC / TDS amperometric sensor

EC / TDS readings are taken by a two-pin amperometric sensor. An alternating voltage is applied to the sensor and the amount of current flowing between the two stainless steel pins determines the amount of dissolved ionic solids present.

Integrated temperature sensor

The pH and EC / TDS readings must be temperature compensated for accurate results. The HI1285-8's built-in temperature sensor provides a quick temperature reading which is then used to adjust the pH and EC / TDS results accordingly.

Specifiche tecniche

Line Name Groline

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