TN420 Portable White Light Turbidity Meter, EPA 180.1 Compliant

Specification Description Measurement Method 90° scattering measurement, U.S EPA180.1 compliant Light Source Tungsten filament lamp Measuring Range 0 to 1000 NTU (FNU), automatic range switch 0.01 to 19.99 NTU(FNU) 20.0 to 99.9 NTU(FNU) 100 to 1000 NTU(FNU) Accuracy ≤ ±2% of reading+ stray light Repeatability ≤ ± 1% of reading or 0.02 NTU(FNU) (the greater of the two) Resolution 0.01/0.1/1 NTU (FNU) Stray Light ≤0.02 NTU (FNU) Calibration Standard AMCO Polymer or Formazin Solution：0, 20, 100, 400 and 800NTU (FNU) Detector Silicon photovoltaic Measuring Mode Normal measurement and average measurement Display TFT color screen Sample Vial Φ25×60 mm，high borosilicate glass with lid Sample Vial Volume 18 ml Power supply 3.7V Rechargeable lithium battery Working Condition Temperature: 0 to 50°C (32°F to 122°F); Relative humidity： 0 to 90% at 30°C, 0 to 80%at 40°C, 0 to 70% at 50°C, no condensation Instrument sealing grade IP67 Certificates ISO9001:2015 and CE Limited Warranty 2 years Dimension and Weight Meter: (90×203×80) mm/385g Test Kit: (310×295×110) mm/1.5kg Specification Description Measurement Method 90° scattering measurement, U.S EPA180.1 compliant Light Source Tungsten filament lamp Measuring Range 0 to 1000 NTU (FNU), automatic range switch 0.01 to 19.99 NTU(FNU) 20.0 to 99.9 NTU(FNU) 100 to 1000 NTU(FNU) Accuracy ≤ ±2% of reading+ stray light Repeatability ≤ ± 1% of reading or 0.02 NTU(FNU) (the greater of the two) Resolution 0.01/0.1/1 NTU (FNU) Stray Light ≤0.02 NTU (FNU) Calibration Standard AMCO Polymer or Formazin Solution：0, 20, 100, 400 and 800NTU (FNU) Detector Silicon photovoltaic Measuring Mode Normal measurement and average measurement Display TFT color screen Sample Vial Φ25×60 mm，high borosilicate glass with lid Sample Vial Volume 18 ml Power supply 3.7V Rechargeable lithium battery Working Condition Temperature: 0 to 50°C (32°F to 122°F); Relative humidity： 0 to 90% at 30°C, 0 to 80%at 40°C, 0 to 70% at 50°C, no condensation