Highly accurate turbidity standards composed of suspended microspheres, suitable for Instrument calibration and control of all turbidity meters. Stable, shelf life of 2 years (from Date of Manufacturing). NIST traceable, US EPA approved and tested in compliance with ISO 7027. HDPE bottles of 100 ml.
Ratio range for Ratio Turbidity Measuring instruments. Measure of the scattered light from the sample at a 90° angle from the incident light, plus at additional angles (several detectors).
