Apera Instruments, TN420 Portable White Light Turbidity Meter, EPA 180.1 Compliant
$778.59
by Apera Instruments
Built with a tungsten filament lamp and uses the 90° scattering method, compliant with the U.S EPA 180.1 method Reading Error≤ ±2% of reading+ stray light in 0 to 1000 NTU (FNU) EPA-approved AMCO high-molecular polymer turbidity standard solutions (0, 20, 100, 400, 800 NTU), non-toxic and disposable, guaranteed one-year shelf life. Large screen with a user-friendly operation system