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Hanna Instruments Spare pH Electrode for HI991404



SKU: TST-HI-1286

Replacement pH electrode for the Hanna Instruments HI991404 combo pH/EC/TDS/Temperature meter. The pH electrode is surrounded by a polyethyleneimine (PEI) protective body to guard against especially aggressive fertilizers. Built-in amplifier reduces interference from other devices such as grow lights, pumps, motors, and ballasts.

Also compatible with the HI991401 and HI991405 meters.

Only 3 left in stock

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Hanna Instruments Spare pH Electrode for HI991404

Spare pH electrode for Hydroponics and greenhouses. Compatible with HI991401,HI991404, and HI991405. The amplifier for the pH electrode prevents interference from humidity and sources of electrical noise including circulating pumps, motors, and ballasts for grow lights. The polyethyleneimine (PEI) protective body protects against most aggressive chemicals as seen in fertilizer solutions with high concentrations of phosphate and nitrate.

Weight 0.5 lbs
Dimensions 2 × 2 × 9.5 in


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