
Ion-selective measurements directly in process – reliable 24 hours a day
The new highly variable ionic sensor VARiON allows:
• The continuous measurement of ammonium – with online compensation of potassium ion interference by using potassium ISE.
• On-line compensation for nitrate – chloride as interference ion.
• The third available slot can be used for an additional measuring electrode – this allows a simultaneous measurement of ammonium and nitrate with only one sensor (2 in 1)
For measurement or compensation, simply insert the suitable electrode into the sensor, everything else is working automatically. The display shows the already compensated values. These values are available via the 0/4–20 mA analog outputs or via the digital output PROFIBUS or Modbus.
The following VARiON variants are available as ready to start sets:
1 Ammonium measurement, compensated
2 Nitrate measurement, compensated
3 Ammonium measurement, compensated, with additional nitrate measurement
4 Nitrate measurement, compensated, with additional ammonium measurement
MIQ/VIS
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Connection module for UV/VIS sensors, controls the valve module (MIQ/CHV, 900109) for air cleaning
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NiCaVis 700/5 IQ
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UV Nitrate COD/TOC/BOD, 5 mm path length, 15 meter cable, requires MIQ/VIS, 0-25 mg/l NO3, 0-800 mg/l C
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VARiON 700 IQ-SK
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Protective hood for VARiON sensor electrodes
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VARiON Case
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Maintenance and calibration case for VARiON 700 IQ
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VARiON Epack
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Spare parts kit, 1 box spanner for electrodes, 1 blind plug, 3 spare o-rings, 1 vessel for wet storage
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VARiON Plus 700 IQ
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VARiON Plus Ammonium/Nitrate Armature, requires ion selective electrodes, reference and compensating electrodes listed below
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VARiON Plus Cl
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VARiON Plus Chloride electrode for compensating nitrate measurement (1-2 per year)
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VARiON Plus K
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VARiON Plus Potassium electrode for compensating ammonium measurement (1-2 per year)
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VARiON Plus NH4
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VARiON Plus Ammonium electrode (1-2 per year)
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VARiON Plus NO3
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VARiON Plus Nitrate electrode (1-2 per year)
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VARiON Ref
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VARiON Reference electrode (1 per year)
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VARiON/ES-1
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Multiple standard 1 (low concentration) for NH4, NO3, K and Cl
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VARiON/ES-2
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Multiple standard 2 (high concentration) for NH4, NO3, K and Cl
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ViSolid 700 IQ
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Suspended Solids Sensor for IQ System, Cable Required
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VisoTurb 700 IQ
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Turbidity Sensor for IQ System, Cable Required
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