Portable Turbidity meter,  has Principle Nephelometric Method (90)
2 to 5 points calibration, using formazin standards.
Selectable of 4 Turbidity units NTU, FNU, EBC, ASBC.
Single measurement mode, automatically identify and lock the measurement end.
Continuous measurement mode for indexing or matching vials.
Automatic Power OFF, effectively save battery energy consumption
Settings menu to customize the number of calibration points, date and time, display resolution etc...
Reset function, automatically restore the meter to factory default settings.
Expand memory to store or retrieve up to 100 sets of data.
USB communication interface, easy to transfer data or connect power adapter to the meter.
Automatic shutdown - After 15 minutes, If not in use
Carrying Case is Standard Supply

Principle  :  Nephelometric Method (90)
Turbidity Measuring range  : 0~1100 NTU/0~275 EBC/0~9999 ASBC
Display resolution :  0.01 (0~99 NTU), 0.1 (100~999 NTU), 1 (1000~1100 NTU)
Measurement accuracy :  ±2% (0~500 NTU), ±3% (501~1100 NTU)
Calibration point :  2 to 5 points (0.02, 10, 200, 500, 1000NTU)
Calibration Standard value : 200, 500, 1000 NTU
4 turbidity units :  NTU, FNU, EBC and ASBC.
Light source :  Infrared light-emitting diode, 850nm
Detector : Silicon photoelectric
 Stray light : < 0.02 NTU
Vial size :  60 (height) × 25 (diameter) mm
Sample Volume : (approx.) 30ml
Carrying Case  : Available
Auto-Power OFF : Yes
Display :  LCD
Data storage : 100 data readings
Ambient Temperature :  10 C~ 40 C
 Interface  : USB
Power supply type :  AA battery 3 cells or DC5V power adapter
Packing Dimension :  (LxWxH) 280 x 80 x250 mm
Net / Gross Weight : 300g / 1.5kg