YSI 54ARC 54ABP Dissolved-Oxygen Meter is a versatile tool for measuring dissolved oxygen and temperature in various applications, including water and wastewater. It features two dissolved oxygen ranges (0-10 and 0-20 mg/l) with automatic temperature compensation for accurate readings. The temperature measurement range of -5° to +45°C allows for a wide range of testing scenarios. Its fast response time ensures quick and efficient readings. The recorder output enables integration with external devices for data logging and further analysis.