SMART STORM’S direction electrodes are rugged solid-state sensors with built in driTEK Teflon double junction references that do not require filling solutions, membrane replacements or operator maintenance. These combination ISEs can be stored dry and are submersible and waterproof. The solid state sensor and maintenance free reference makes these electrodes ideal for both laboratory and field work. The Epoxy tubular body provides complete protection to the electrode which allows these sensors to be used in field applications by unskilled operators. There are two basic sensor constructions: PVC on a solid-state substrate and Crystal membrane with a solid-state contact. Crystalline electrodes maybe polished and cleaned as the electrode gets older. The PVC equivalents are less prone to oxidation and can be rinsed after use but cannot be polished. The lack of internal solution means that lifetime is enhanced and submersion is possible as the sensor does not flex under reasonable pressure. Each SMART STORM’S Combination ISE has a 1 metre cable and can be used both on Smart Storm’s USI and USM products and all other types of pH/ION meter including laboratory bench and research models. The solid-state sensors have a huge advantage over conventional ISEs in that there is no internal fill solution to degenerate the sensor this means that SMART STORM’S direction combination ISEs have an unrivalled lifetime and a very low cost of ownership. For optimum results use SMART STORM’S Ionic Strength Calibration Buffers ( ISCBs).

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