YSI ODORTU-20 m - ODO RTU Probe Assembly - (20 m)

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ODO RTU probe assembly, 20 m

ODO RTU Probe Assembly - 20 m
Connect directly to your PLC or data logger and communicate via Modbus
Highly-accurate ODO sensor technology with no stirring
2-year cable and probe warranty with user-replaceable DO cap

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Product	YSI ODORTU-20 m ODO RTU probe assembly, 20 m	YSI ODORTU-1 m ODO RTU probe assembly, 1 m	YSI ODORTU-4 m ODO RTU probe assembly, 4 m	YSI ODORTU-10 m ODO RTU probe assembly, 10 m	YSI ODORTU-30 m ODO RTU probe assembly, 30 m	YSI ODORTU-50 m ODO RTU probe assembly, 50 m	YSI ODORTU-100 m ODO RTU probe assembly, 100 m	YSI ODORTU/CT -1 m ODO RTU probe assembly with conductivity, 1 m	YSI ODORTU/CT-4 m ODO RTU probe assembly with conductivity, 4 m	YSI ODORTU/CT-10 m ODO RTU probe assembly with conductvity, 10 m	YSI ODORTU/CT-20 m ODO RTU probe assembly with conductivity, 20 m	YSI ODORTU/CT-30 m ODO RTU probe assembly with conductivity, 30 m	YSI ODORTU/CT-50 m ODO RTU probe assembly with conductivity, 50 m	YSI ODORTU/CT-100 m ODO RTU probe assembly with conductivity, 100 m
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YSI ODORTU-20 m - ODO RTU Probe Assembly - (20 m)

ODO RTU Probe Assembly - 20 m
Connect directly to your PLC or data logger and communicate via Modbus
Highly-accurate ODO sensor technology with no stirring
2-year cable and probe warranty with user-replaceable DO cap

Engineered specifically for aquaculture applications, but at home in any Modbus system, the optical dissolved oxygen (ODO) sensor can be used to ensure adequate oxygen levels for your livestock or for improved energy efficiency. With YSI’s ODO RTU, you’ll benefit from reduced costs, less maintenance, and better data.

ODO RTU utilizes the most advanced DO technology and can be connected anywhere without the need for special connectors. Additional inputs for barometric pressure and salinity are used to accurately calculate the DO% and mg/L. ODO RTU is also availabale with built-in conductivity measurement to automatically compensate for salinity.

General Specifications
Communication	Modbus/RS485 (4 wire)
Default Baud Rate	9600 (user programmable)
Dissolved Oxygen (Optical luminescence) Units	Range: 0 to 500%, 0 to 50 mg/L Accuracy: 0 to 200%: ±1% of reading or 1% saturation, whichever is greater; 200 to 500%: ±8% of reading; 0 to 20 mg/L: ±0.1 mg/L or 1% of reading, whichever is greater; 20 to 50 mg/L: ±8% of reading Resolution: 0.01 mg/L and 0.1 %, or 0.1 mg/L and 1% (auto-adjusted based on range)
Power	10 V to 16 V DC, 15 mA max
Size	2.46 cm diameter, Cable options for 1, 4, 10, 20, 30, 50, and 100 m lengths
Temperature (Thermistor) Units	Range: –5 to 70°C (-5 to 50°C; DO compensation range for mg/L ) Accuracy: ±0.2°C Resolution: 0.1°C or 0.1°F (auto-adjusted based on range)
Additional Conductivity Specifications
Conductivity (Four nickel electrode cell) Units: μS/cm, mS/cm	Range: 0 to 200 mS/ Accuracy: 0 to 100 mS/cm ±0.5% of reading or 0.001 mS/cm, whichever is greater; 100 to 200 mS/cm ±1.0% of reading Resolution: 0.001, 0.01, or 0.1 μS (range dependent)
Salinity Units: μS/cm, mS/cm	Range: 0 to 70 ppt Accuracy: ±1.0% of reading or ±0.1 ppt, whichever is greater Resolution: 0.01 ppt