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pH-Electrode — pH Electrode
$79.90

pH-electrode, BNC, 3m cable

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Conductivity Electrode, Platinum
$196.90

Conductivity electrode platinum, BNC, 3m cable, for fresh water + salt water

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ORP Sensor — Redox Electrode
$89.90

Redox-electrode, BNC, 3m cable

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Sale!

ION Director Multi-ION Sensor (Gen 2)
Original price was: $82.90.Current price is: $74.61.

Multi-Ion sensor for measuring Calcium, Magnesium, Potassium, Nitrate and Sodium.

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Oxygen Sensor
$334.90

Oxygen sensor, BNC-plug, 3m cable

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pH Electrode

Conductivity Electrode, Platinum

Redox Electrode

ION Director Multi-ION Sensor (Gen 2)

Oxygen Sensor