Measuring Method  ISO 7027 compliant nephelometric Method(90°)
Measuring Range 0 ~ 1000 NTU, automatic range selection: 0.01~19.99 NTU, 20.0~99.9 NTU, 100~1000 NTU.
Resolution 0.01 / 0.1 / 1 NTU
Indication Error ≤ ±2 % of reading±stray light
Repeatability ≤ ± 1% of reading or 0.02 NTU, subject to whichever is greater
Calibration Standards 0.02 NTU, 20.0 NTU , 100 NTU, 800 NTU(Polymer)
Light Source Infrared-emitting diode(850nm wavelength)
Detector Silicon photovoltaic
Display TFT Color screen
Sample Vials Φ25×60 mm, high borosilicate glass with screw cap
Sample Volume 18 ml
Operating Temp. Range 0~50℃
Power Supply 4x “AA” Alkaline Batteries
IP Rating IP67