PONSEL OPTOD dissolved oxygen sensor

The OPTOD (Optical Dissolved Oxygen Technology) sensor based on the principle of cold light complies with ASTM International d888-05 standard. Ultra-low power consumption can meet the requirements of short-term or long-term work in the field. No oxygen consumption technology, can be applied to the measurement under very low oxygen concentration. OPTOD sensors store calibration data and historical data, allowing plug and play, without recalibration. Based on the universal Modbus RS485 protocol, the sensor can be connected to all commonly used devices (data collectors, controllers, vending machines, remote systems...).

Optical technology requires no calibration
Modbus RS-485 digital technology
No drift, reduce maintenance
Good quality, suitable for on-site use

Urban sewage treatment
Industrial wastewater treatment
Surface water monitoring
Drinking water monitoring

technical parameter:
Measuring principle: cold light optics
Measuring range: 0,00 to 20,00 mg/L
0,00 to 20,00 ppm
Resolution: 0.01
Accuracy: +/- 0,1mg/L
+/- 0,1 ppm
+/- 1%
Response time: less than 60S (in 90% of cases)
Temperature compensation: CTN
Storage problems:-10°C to + 60°C
Signal interface: Modbus RS-485 (standard) and SDI-12 (optional)
Maximum update time: less than 1S
Sensor power supply: 5-12V
Power consumption: spare 25 μA
RS485 (1 time/second, average): 4.4 mA
SDI12 (1 time/second, average): 7.3mA
Current pulse: 100 mA
Specifications: diameter 25mm; length 146mm
Weight: 450g (sensor + 3m cable)
Material: 316L stainless steel
Maximum pressure: 5bars
Protection: IP68
Connection: 9-pin connection, polyurethane shell, waterproof connector
Origin: France

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