XF263
General-purpose industrial pH sensor
0–14 pH0–100 °C0–3 bar, 6 bar max
Continuous measurement
Online water-quality instruments
Select continuous sensors and analyzers by measured parameter, range, water matrix, installation and control interface.
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Measurement parameters covered
Confirm the measurement objective by parameter. Online parameters continue to a dedicated selection center.
pHIndustrial pH sensors↗ORPOxidation-reduction potential↗ECConductivity measurement↗DODissolved oxygen measurement↗NTUTurbidity measurement↗Chl-aChlorophyll-a measurement↗BGABlue-green algae measurement↗SDWater transparency measurement↗PCUWater color measurement↗NH₄-NAmmonia nitrogen measurement↗NO₃-NNitrate nitrogen measurement↗OIWOil-in-water measurement↗IONIon analysis↗SS / MLSSSuspended solids and sludge concentration↗Cl₂Residual chlorine measurement↗CODCOD and organic matter measurement↗
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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.
Configured online system
Online Conductivity Analyzer
Conductivity: 10–5000 µS/cm; temperature: 0–80°CConductivity: ±1% or ±1 µS/cm, whichever is greater; temperature: ±0.5°C≤0.6 MPa
PFDO-800
Fluorescence Dissolved Oxygen Online Analyzer
0–20 mg/L0–200%0–45°C
PTU-800
Wide-Range Online Turbidity Analyzer
Infrared 90° scattered light0.01–100 NTU; 0.01–4000 NTU±2% of reading or ±0.1 NTU, whichever is greater
PSS-800
Wide-Range Suspended Solids / Sludge Analyzer
Combined infrared absorption and dual-beam scattered light0.01–20000 mg/L; 0.01–45000 mg/L; 0.01–120000 mg/L±5% of reading; dependent on sludge homogeneity
CL-201
Free / Total Chlorine and Active Oxygen Analyzer
DPD colorimetry0–10 mg/L0–5 mg/L: ±5% or ±0.03 mg/L, whichever is greater; 5–10 mg/L: ±10%
PINH3-900
Online Ammonia Nitrogen Analyzer
Ammonium ion-selective electrode with pH and temperature compensationNH₄-N 0.1–3000 mg/LK⁺ 0.5–5000 mg/L
PUVNO3-900
Online UV Spectral Nitrate Analyzer
210 nm UV spectral absorption0.1–100.0 mg/L0.1–50.0 mg/L
PCH-800A
Online Chlorophyll-a Analyzer
Chlorophyll-a fluorescence0–500 µg/L±5% of the signal level corresponding to a 1 ppb rhodamine B sample
PBA-800A
Online Blue-Green Algae Analyzer
Blue-green algae pigment fluorescence0–300,000 cells/mL200 cells/mL
PCT-600
Online Color Analyzer
Visible-light photometry; platinum-cobalt color scale0–100 degrees (Pt-Co scale)±10% or ±1 degree, whichever is greater
POIL-800
Wide-Range Online Oil-in-Water Analyzer
UV fluorescence of petroleum and aromatic compounds0–100 mg/L (NDSA)±5% of reading or ±0.15 mg/L, whichever is greater
PISE-900
Online Multi-Ion Analyzer
One or two selectable ion-selective electrodes with standard pH and temperature electrodes; up to four measured parametersNH₄-N 0.1–3000 mg/LNO₃-N 0.5–3000 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.