What is a good level of turbidity?
The WHO (World Health Organization), establishes that the turbidity of drinking water shouldn’t be more than 5 NTU, and should ideally be below 1 NTU.
What is a good turbidity level in water?
The EPA requires us to produce water with a turbidity measuring no higher than 0.3 Nephelometric Turbidity Units (NTU). As a member of the Partnership for Safe Water, we adhere to higher water quality standards so our finished drinking water is 0.1 NTU or below.
Does high turbidity mean clearer water?
Turbidity is a measure of how clear the water is. High turbidity means that there are a lot of particles suspended in the water and light cannot get through. Low turbidity means that there are fewer particles in the water and it is more clear.
What is the range of the Hach 2100P portable turbidimeter?
1.1 General Description The Hach Model 2100P Portable Turbidimeter (Figure 1 ) measures turbidity from 0.01 to 1000 NTU in automatic range mode with automatic decimal point placement. The manual range mode measures turbidity in three ranges: 0.01 to 9.99, 10 to 99.9 and 100 to 1000 NTU.
How does the model 2100P portable turbidimeter work?
1.3 Principle of Operation The Model 2100P Portable Turbidimeter operates on the nephelometric principle of turbidity measurement. This instrument meets the design criteria specified by the United States Environmental Protection Agency, Method 180.1.
How often should I calibrate my Hach 2100P?
1.4.4 Calibration The 2100P Portable Turbidimeter is calibrated with Formazin Primary Standard at the factory anddoes not require recalibration before use. Hach recommends recalibration with formazin once every three months, or more often as experience dictates.
What is the cat number for a turbidimeter?
Page 1 CAT. NO. 46500-88 PORTABLE TURBIDIMETER Model 2100P Instrument and Procedure Manual © Hach Company, 1991-2004. te/dk 3/04 8ed All rights reserved. Printed in the U.S.A.