/ RDLs
/ ISO 15926 Part 4: Core reference data - Edition 4
/ LEVEL MEASURING ELEMENT - OPTICAL REFRACTION
LEVEL MEASURING ELEMENT - OPTICAL REFRACTION
Definition
A <LEVEL MEASURING ELEMENT - OPTICAL REFRACTION> is a <LEVEL MEASURING ELEMENT - OPTICAL LASER> that uses the difference between the refractive index of the process fluid and the material of the sensing element to measure level