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DO measuring device / dissolved oxygen / portable - 0.00 - 90.00 mg/l | HD 2109.1 / 2109.2
The HD 2109.1 and 2109.2 are manufactured by Delta Ohm. These are hand-held instruments with a large LCD display, for better readability. The instruments measure the concentration of dissolved Oxygen in liquids (in mg/l) , and the saturation index (in %). The instruments are equipped with an internal pressure sensor, which enables automatic compensation of barometric pressure.