The Thermo Scientific Orion ROSS Ultra triodes provide precise pH and temperature measurements with the convenience of using one electrode. Ideal for the most critical measurements, they offer optimum performance by delivering fast, accurate readings. The electrodes are available with chemical-resistant glass bodies or rugged epoxy bodies. Their capabilities include excellent response in samples at different temperatures, accuracy within 0.03 pH units when using automatic temperature compensation, and precision of 0.01 pH units.