FDO700 IQ sensors for dissolved oxygen
Calibration-free, reliable, DIN compliant – the optical FDO® oxygen sensors for the IQ SENSOR NET to regulate biological cleaning steps
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Digital ISE sensor for nitrate, connectable to the IQ SENSOR NET
Nitrogen elimination – transparent, process optimized, economical. Nitrate measurement directly in the medium – optimized for regulation purposes:
• Chloride compensation (optional)
• Calibration free, long-term stability
• Economical & cost efficient
With the NitraLyt®Plus 700 IQ, nitrate can be determined directly in the medium. This makes measured values available in a timely manner and they can easily be used for regulation purposes. Another plus of the IQ SENSOR NET probe is the low investment and maintenance cost.
| Measuring method | Electrochemical |
| Appropriate Electrode | Reference electrode VARiON® Ref, Measuring electrode VARiON®Plus NO3, Compensation electrode VARiON®Plus Cl |
| Measuring range/Resolution | NO3-N: 1 … 1000 mg/l / 1 mg/l; 0.1 … 100.0 mg/l / 0.1 mg/l NO3-: 5 … 4500 mg/l / 5 mg/l; 0.5 … 450.0 mg/l / 0.5 mg/l |
| Compensation Range | Cl-: 0.1 … 1,000 mg/l / 0.1 mg/l |
| Measuring Accuracy | ± 5 % of measured value ± 0.2 mg/l in standard solutions |
| Calibration Procedures | Matrix adjustment against any reference value, 2-point-calibration possible with multiple standard solution |
| Working Life (typically) | Reference electrode: 18 months, measuring and compensation electrode: 18 months (in typical application – municipal sewage plants) |
| Temperature Measurement and Compensation | Integrated NTC thermistor, Range 32 °F … 104 °F (0 °C … +40 °C), Accuracy ±0.5 K, Resolution 0.1 K, t95 < 20 s |
| Pressure Resistance | Maximum 0.2 bar (incl. SACIQ sensor connection cable, with installed electrodes) |
| Ambient Conditions | Operating temperature: 32 °F … 104 °F (0 °C … +40 °C), storing temperature: 32 °F … 104 °F (0 °C … +40 °C) |
| Electrical connections | 2-wire shield cable with quick fastener to sensor |
| Electromagnetic Compatibility | EN 61326, Class B, FCC Class A; Intended for indispensable operation |
| Certifications | CE |
| Mechanical | Sensor body: V4A stainless steel 1.4571 Protective cup: POM Temperature sensor: V4A stainless steel 1.4571 Protection rating: IP 68 (0.2 bar, with installed electrodes) Electrode connector: POM |
| Weight | Approx. 1.48 lb (670 g, without electrode, without sensor connection cable) |
Calibration-free, reliable, DIN compliant – the optical FDO® oxygen sensors for the IQ SENSOR NET to regulate biological cleaning steps
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