Portable turbidity meter TES-138 series

for drinking water

Water Quality Testing Test Tap Water Food and Beverage water Other related water quality testing Auto-ranging from 0 to 1000 NTU (Nephelometric Turbidity Unit) Waterproof and dustproof with IP65-rated housing that floats Meets performance criteria as specified by ISO 7027 (DIN EN 27027) method Low battery alarm and auto shut off after 10 minutes of non use Large LCD display and backlight function Four point calibration for full-range accuracy Maximum/minimum, alarm and relative function Manual data memory and read function USB interface Range 0.01 to 9.99 NTU, 10.0 to 99.9 NTU, 100 to 1000 NTU Resolution 0.01 NTU, 0.1 NTU, 1 NTU Accuracy ±2% of reading ± 1 digit for 0.1 to 500 NTU ±3% of reading ± 1 digit for 501 to 1000 NTU Repeatability ±0.01 NTU or ±1% of reading, whichever is greater Response time Calibration standards 0.05 NTU, 20 NTU, 100 NTU, 800 NTU Light source Infrared LED Light Source life > 1,000,000 measurements Detector Silicon photodiode Stray light 800 measurements) Size 148 (L)x78 (W)x64 (H) mm / 5.83”x3.07”x2.52” Weight 256g (9oz) Accessories Instruction manual, Hard carrying case, 10-mL silicone oil, Lint-free cloth, four calibration standards, three sample vials, 4 AAA batteries, CD software (1386U), micro-USB cable (1386U)