Replacement STs Series Dissolved Oxygen Electrode

The pHionics STs Series Dissolved Oxygen Electrode is designed for quick and simple replacement of an old or damaged electrode without requiring any special tools.  This is the exact same as the original electrode provided with the purchase of a STs Series Dissolved Oxygen Sensor/Transmitter and is intended for the widest range of applications, from environmental datalogging to wastewater treatment.

The electrode is galvanic with a large silver anode tip and propionic acid fill solution inside.  The large surface area of the anode ensures a long-lasting electrode (Two year average lifespan in use compared to one year for most competitors).

$300 USD

Dissolved oxygen range 0-20 mg/L
Operating Temperature 0-70 °C
Minimum Flow Rate 0.457 m/s (1.5 ft/s)
Response time 98% accuracy < 60 seconds
Exposed Materials Epoxy, Teflon, silver
Type Galvanic cell with silver anode and Teflon membrane
Life Expectancy 6 month to 4 year (2 year average)
Warranty 6 months
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