Portable turbidity meter TN400

• Generates QUICK & ACCURATE Turbidity test results • Large clear TFT Color Screen with Intuitive graphic and text Technical parameters Measuring Method :ISO 7027 compliant nephelometric method (90°) Measuring Range :0 to 1000 NTU, automatic range selection: 0.01 to 19.99 NTU 20.0 to 99.9 NTU 100 to 1000 NTU Resolution :0.01 / 0.1 / 1 NTU Reading Error :≤ ±2% of reading ±stray light Repeatability :≤ ±1% of reading or 0.02 NTU (whichever is greater) Calibration Standards - :0.02 NTU, 20.0 NTU, 100 NTU, 800 NTU (Polymer) Light Source - :Infrared light emitting diode (850nm wavelength) Detector - :Silicon photovoltaic Display - :TFT Color screen Sample Vials - :ø25×60 mm, high borosilicate glass with screw cap Sample Volume - :18 ml Operating Temp. - :0 to 50˚C (32 to 122˚F) Power Supply - :4× AA Alkaline Batteries IP Rating - :IP67 Dimension/Weight - :Meter: (90×203×80)mm / 385g; Carrying Case: (310×295×110)mm / 1.5kg Quality and Safety Certificate - :ISO 9001:2008 & CE