VX-3100
Portable Turbidity Analyzer
90° scattering with ratio detection0–1000 NTU±2% of reading plus stray light within the documented 0–2000 NTU statement
Sample and bench analysis
Laboratory water-quality instruments
Compare VX, VN and VI instruments by test program, sample type, optical method, vial, range and laboratory workflow.
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Measurement parameters covered
Confirm the measurement objective by parameter. Online parameters continue to a dedicated selection center.
NTUTurbidity
PCUColor
Cl₂Free and total chlorine
ClO₂Chlorine dioxide
pHpH
NH₄-NAmmonia nitrogen
NO₃-NNitrate / nitrite
CODChemical oxygen demand
THHardness / alkalinity
Fe / Mn / AlIron, manganese and aluminum
DODissolved oxygen
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Instrument families and models
These models come from the current product database. Confirm the exact range, probe, accessories and interfaces on the product page or during quotation.
VN-750
Portable Multiparameter Water Analyzer
LED and silicon photodiode; combined scattering/transmission pathConcentration, absorbance and % transmittanceTurbidity, color LR/HR, free chlorine, total chlorine, pH, ozone, combined chlorine, chlorine dioxide, total hardness, permanganate index, iron, manganese, aluminum and ammonia nitrogen
VI3200
Portable Color and Turbidity Analyzer
LED and silicon photodiode; combined scattering/transmission path0–500 PCU; platinum-cobalt method0.00–250 NTU; 90° scattering method
VX Series
Portable Water Quality Analyzer Series
SpectrophotometrySingle-parameter programs are selected by application and order codeLED and silicon photodiode; integrated scattering / transmission path
VN-1000
Portable Multiparameter Water Analyzer
100 documented programsTurbidity, color, free chlorine, total chlorine, chlorine dioxide, ozone, pH, dissolved oxygen, permanganate index, ammonia nitrogen, COD and more25 mm / 16 mm / 10 mm
VI-5C
COD, Nutrient and Turbidity Analyzer
0–20000 mg/L0–125 mg/L0–125 mg/L
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Not sure which type or model fits?
Send the water matrix, parameter, range, use location and interface requirement, and we will recommend a suitable configuration across the four instrument types.
Contact FUNEL
Tell us what you need to measure.
We will respond with a recommended configuration, supporting documentation and quotation.