The OxyTechw² RDO Pro-X Sensor uses the latest optical technology for measuring dissolved oxygen (DO) in demanding wastewater, drinking water, industrial effluent and surface water environments.
The sensor uses optical sensing techniques that provide a fast response and do not need a flowing sample to operate. There is no need for routine calibration, enabling manual intervention to be kept to an absolute minimum. Periodic validation of the measurement can be done as part of standard quality assurance performed by the operator. The sensor uses an extended life cap that does not have a finite life, though replacement is recommended every two years. When replacement of the cap is required the operation takes only a few minutes with no need to enter complex set up codes and no need to re-calibrate.
The need for manual cleaning of the sensor is kept to a minimum through use of Partech’s FlexTech mounting system which places the sensor below the surface of the tank, away from the floating fats and grease whilst keeping the sensor face moving to prevent the build up of a biofilm.
Physical | |
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Dimensions (hxwxd) | Ø47mm, 203 mm long |
Weight | 0.8 kg |
Protection Class | IP68 |
Enclosure Material | Body - ABS, Titanium Temperature Probe with Polyurethane coated cable Cap - ABS, Polycarbonate/Polymethyl/methylacrylate |
Cable Entries | Integral Cable Gland, Black Acetal, 316 Stainless Steel |
Cable Length | 10 metres standard, 100 metres maximum |
Interface to Monitor | |
Power Supply | 12 VDC from Monitor |
Sensor Output | ModTechw², RS485 |
Environmental Data | |
Operating/Storage Temperature | 0 to 50ºC |
Pressure Rating | 210 mWC |
Flow | No flow necessary |
Measurement Characteristics | |
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Principal of Operation | Blue/Red Luminescence Quenching |
Light Source | Blue LED |
Accuracy | +/- 0.1 mg/l on 0-8 mg/l range +/- 0.2 mg/l on 8-20 mg/l range +/- 10% reading 20 to 50 mg/l |
Resolution | 0.01 mg/l |
Display Resolution | see 7300w² Monitor |
Response Time | T90 <45 seconds, T95 <60 seocnds @ 25°C |
Flowrate | 1 cm/second |
Units | mg/l, ppm, %Sat |
Range | 0-50 mg/l (ppm) 0-200 %Sat |
Temperature Measurement | Thermistor |
Temperature Accuracy | ± 0.1°C |
Temperature Resolution | 0.01°C |
Part Number | Description |
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226770 | OxyTechw² RDO Pro-X Sensor (Range 0-50 mg/l, Cable Length: 10 metres) |
Mounting Shaft with Self Clean Option | |
226665 | FlexTech Shaft Assembly with Flexible Coupling (OxyTechw² RDO Pro-X Sensor, 1.0 metres) |
226666 | FlexTech Shaft Assembly with Flexible Coupling (OxyTechw² RDO Pro-X Sensor, 2.0 metres) |
226667 | FlexTech Shaft Assembly with Flexible Coupling (OxyTechw² RDO Pro-X Sensor, 3.0 metres) |
Mounting Shaft without Self Cleaning | |
226661 | FlexTech Shaft Assembly (OxyTechw² RDO Pro-X Sensor, 1.0 metres) |
226662 | FlexTech Shaft Assembly (OxyTechw² RDO Pro-X Sensor, 2.0 metres) |
226663 | FlexTech Shaft Assembly (OxyTechw² RDO Pro-X Sensor, 3.0 metres) |
Mounting Brackets | |
223980 | FlexTech Sensor Bracket (Handrail Ø40 to 60.3 mm) |
224567 | FlexTech Extension Bracket Assembly (500mm Long, Handrail Ø40 to 60.3 mm) |
Replacement Cap | |
226668 | OxyTechw² RDO Pro-X Replacement Cap |
The core product in the WaterWatch² range - the 7300w² Monitor provides all the user interface and system configuration
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