The degree of turbidity is a measure of water quality. A liquid is cloudy if it contains undissolved suspended matter (particles, bacteria etc). These particles scatter incident light in many directions. The light scattered at 90 degrees is measured = nephelometry, i.e. nephelometry is the measurement of turbidity. The clearer a liquid, the lower the turbidity. The units of turbidity are NTU = nephelometric turbidity units. Drinking water has max. of 5 NTU, sewage more than 2000 NTU.
- Battery power for over 5000 measurements
- Improved precision, ready to use and non toxic standards
- Portable, battery powered for on the spot analysis
For standard-compliant measurements according to EN ISO 7027 an IR LED (infrared) light source with a wavelength of 860 nm is prescribed. (IR models).
The USEPA Method 180.1 and also APHA-AWWA-WPCF require the use of a tungsten lamp emitting white light (T models).
Each Turbiquant® instrument requires the appropriate set of calibration standards for use. Must be purchased separately.
Certifications: ISO 7027 an IR LED (infrared) light source with a wavelength of 860 nm is prescribed (IR models). USEPA method 180.1 and also APHA-AWWA-WPCF require the use of a tungsten lamp emitting white light (T models). AMCO-AEPA-1® microspheres are primary standards conform with USEPA method 180.1. In compliance with EN ISO 7027, these standards count as alternative secondary standards to fresh formazine.
Informations de livraison: Each Turbiquant requires the appropriate set of calibration standards to be purchased separately.
Attention: No GLP function.