IQ Sensor Net System WTW IQ Sensor Net VARiON Plus Ammonium Nitrate Sensor
Specifications
Specifications
| Specifications | Ammonium Measurement | Nitrate Measurement |
|---|---|---|
| Measuring method | Electrochemical | Electrochemical |
| Maximum Configuration | Common reference electrode, two measuring electrodes, one compensation electrode | Common reference electrode, two measuring electrodes, one compensation electrode |
| Integrable Electrodes | - | - |
| Reference Electrode | VARiON®Plus Ref | VARiON®Plus Ref |
| Measuring Electrode | VARiON®Plus NH4 | VARiON®Plus Ref |
| Compensation Electrode | VARiON®Plus K | VARiON®Plus Cl |
| Measuring range/Resolution | NH4-N: 1 ... 2,000 mg/l / 1 mg/l; 0.1 ... 100 mg/l / 0,1 mg/l; NH4+: 1 ... 2,580 mg/l / 1 mg/l; 0.1 ... 129.0 mg/l / 0,1 mg/l | NO3-N: 1 … 1,000 mg/l / 1 mg/l; 0.1 ... 100 mg/l / 0,1 mg/l; NO3-: 5 … 4500 mg/l / 1 mg/l; 0.5 ... 450.0 mg/l / 0,1 mg/l |
| Compensation Ranges | K+: 0.1 ... 1,000 mg/l / 0.1 mg/l | Cl-: 0.1 ... 1,000 mg/l / 0.1 mg/l |
| Measuring Accuracy in laboratory standard solutions | ± 5 % of measured value ± 0.2 mg/l in standard solutions | ± 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 | 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) | 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 | 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) | 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) | 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 | 2-wire shield cable with quick fastener to sensor |
| Electromagnetic Compatibility | EN 61326, Class B, FCC Class A; Intended for indispensable operation | EN 61326, Class B, FCC Class A; Intended for indispensable operation |
| Certifications | CE | 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 | 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) | Approx. 1.48 lb (670 g, without electrode, without sensor connection cable) |
| Warranty | VARiON®Plus 700 IQ: 2 years; Electrodes: 1 year for defects of quality | VARiON®Plus 700 IQ: 2 years; Electrodes: 1 year for defects of quality |
Solutions
