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DO2 Sensor
Brand: Seametrics, IncSeametrics’ DO2 Smart Sensor is the next generation in trouble-free oxygen sensing design.
Utilizing fluorescence of a stable, immobilized ruthenium-based film matrix, the sensor provides precision optical transmission and detection to measure oxygen concentration in the fluid outside of the sensor.
Equipped with integrated datalogger and Aqua4Plus software, this sensor provides convenient, high-quality data to the user.
Features- Sensor does not require water movement, flow, or frequent cleaning
- Does not require frequent calibration
- 1.66″ diameter—fits easily in 2-inch wells
- RS485 Modbus® interface
- Measures dissolved oxygen and temperature
- Over 260,000 records in non-volatile memory
- Fluorescence sensor technology
- No membranes, fill solutions, replacement caps, or cartridges required
- Includes new Aqua4Plus control software for setting up flexible recording sequences, retrieving data, monitoring real-time data, and viewing collected data
Specifications
Brand
Probe Diameter
- 1.66” (4.22 cm)
Tube Material
- Acetal & 316 stainless steel or titanium
Probe Material
- Epoxy, polyurethane, and PVC
Wire Seal Material
- Fluoropolymer and PTFE
Submersible Cable
- Polyurethane, polyethylene, or ETFE available
Terminating Connector
- Available
Communication
- RS-485 Modbus® RTU, SDI-12
Direct Modbus Read Output
- 32-bit IEEE floating point
Internal Math
- 32-bit floating point
Operating Temp. Range
- 0° C to 55° C
Storage Temp. Range
- -40° C to 80° C
Memory
- 260,000+ records
Log Types
- Variable, user-defined, logarithmic, profiled
Programmable Baud Rate
- 9600, 19200, 38400
Logging Rate
- 8x/sec maximum
Software
- Complimentary Aqua4Plus and Aqua4Plus Lite
Networking
- 32 available addresses per junction w/ batching capabilities (up to 255)
File Formats
- .csv / .a4d
Measuring Range
- 0-25 ppm
Accuracy
- 1 % of Reading or 0.02 ppm — whichever is greater
Sensitivity / Resolution
- 0.01 ppm below 4.00, 0.1 ppm above 4.0
Stability
- 0.01 ppm
Repeatability
- 0.01 ppm
Sensor Drift
- Less than 1 % per year
Temperature Range
- 0° C to 55° C
Response Time
- 95 % in less than 60 seconds
Maximum Pressure
- 100 psi
- Dam discharge monitoring aquaculture
- Leachate monitoring (Landfill)
- Long-term surface water monitoring
- Monitoring remediation performance
- Municipal and industrial water treatment facilities