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- Category: Water Quality Meters

The Extech 850185 is an RTD stainless steel temperature probe. For use with Oyster™ Series pH kits. The platinum RTD temperature sensor (100 Ohm) can measure temperatures ranging from 30°C to 220°C (86°F to 482°F).
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- Category: Water Quality Meters

The Extech 780418 is a set of two 50 ml packs of internal fill solution used to replenish the 407510 Dissolved Oxygen Meter after the membrane is replaced..
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- Category: Water Quality Meters

The Extech 780418 is a set of two 50 ml packs of internal fill solution used to replenish the 407510 Dissolved Oxygen Meter after the membrane is replaced.
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- Category: Water Quality Meters

The Extech 6015WC is a Waterproof pH Electrode that works with the PH220-C Waterproof Palm pH Meter. The built-in Pt-100 Ohm sensor allows for automated temperature correction, and the unit has a 1 m (39 in) connection. It comes with a six-month warranty.