S461 TN
The S461TN probe is used for the optical measure of turbidity in pure and process waters up to 1000 NTU or 4000NTU. The probe uses the 90° scattered light method. By turbidity we mean the scattered component of a light beam which is diverted away from its original course by optically denser particles in the
medium e.g. solid matter particles. Measurements are made using the standardised 90° scattered light method in accordance with ISO 7027 / EN 27027. The measuring method is based on the Tyndall effect. The turbidity of the medium is determined from the amount of scattered light.
The transmitted infra-red light beam is scattered by the particles in the medium. The scattered beams are measured by scattered light receivers which are
fixed at an angle of 90 to the transmitted light. The measured scattered light signals are converted to frequency signals.
MAIN FEATURES
• Reliable concentration measurement using optical measuring process
• Infrared light pulsing beams scattering method
• AISI 316 and black rigid PVC sensor body (optional only AISI 316 or only PVC)
• No mechanically moving parts
• Measured value pre-processing in sensor resulting in low signal transmission sensitivity
• Immediate installation and easy manteinance
APPLICATIONS
• Measure of turbidity in pure and drinkable water
• Measure of turbidity in primary, industrial, recirculating water
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