Tanco Nephelometer digital(range 0 to 20 NTU)
(6 reviews)* Display 31/2 digit LED display .
* Range 0 to 200 JTU 0 to 1000 JTU 2 Ranges .
* Accuracy ± 3% FS digit.
* Tungsten Lamp Supplied with glass test tubes.
* Workable on 220/230 volts A.C.