Click here for Ordering Information of the Infrared TurbidimetersNEW TO ORBECO-HELLIGE
FAMILY OF TURBIDIMETERS

Model 965-IR & 966-IR
Infrared(IR) Turbidimeters

Model 965-IR Bench-top Infrared Turbidimeter
Ordering Information & Specification Sheet
New model 966-IR Portable and 965-IR Bench-top Turbidimeters fully meet worldwide ISO 7027 requirements. Using a long life IR (infrared) LED (860nm wavelength), Orbeco-Hellige IR turbidimeters accurately measure turbidity from 0-1000 FNU/NTU over 3 ranges. Readings are unaffected by color thereby making Orbeco IR turbidimeters ideal when testing the turbidity of all liquids, whether clear or colored.

Model 966-IR
Portable Infrared Turbidimeter
Portable Model 966-IR and Bench-top model 965-IR Infrared Turbidimeters are low in cost, highly accurate and simple to use. Both models fully comply with ISO 7027 turbidity measurement standards. Using a long life, constant output infrared LED (860mn wavelength) light source, Orbeco-Hellige IR turbidimeters accurately measure turbidity from 0-1000 FNU/NTU over 3 ranges. Both models detect scattered light by means of a photo-detector positioned 90° from the incident light beam. Supplied with 0 and 40 NTU standards for easy calibration. Automatic shut-off on the Portable Model 966-IR its battery life.
IR Turbidimeters Measure Turbidity in Both Colored and Clear Liquids
Testing turbidity in liquids with color is quick ‘n’ easy with Orbeco-Hellige IR turbidimeters. Using a constant output, infrared LED light source, Orbeco-Hellige IR turbidimeter readings are unaffected by color. This makes them ideal for measuring turbidity in water and wastewater and to control quality in processing pharmaceuticals, foods and beverages, beer and wine, cosmetics, textiles and a wide range of similar applications.


Uses and Applications

Orbeco-Hellige turbidimeters are ideal for on-site or laboratory testing
for a wide variety of applications and industries.


  • Drinking Water
  • Municipal and Industrial water/wastewater treatment.
  • Quality control in processing food, beverages,cosmetics,textiles,pharmaceuticals,plastics, lumber and paper products, etc.
  • Ecological studies for environmental applications including hazardous spills, irrigation silt, etc.
  • Chemical analysis of water containing barium, sulfate, nitrate, silver, chloride, etc. by turbidimetric chemical methods.
  • Storm water runoff testing.
  • Lakes, rivers and streams.
  • Sulfate testing in power generation, by turbidimetric analysis.
  • Monitoring oil leakage in power and marine boilers.

  • Click here to download specifications sheet (pdf)
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