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Range
+ Non Ratio Mode: 0.00 to 9.99; 10.0 to 40.0 NTU; 0.0 to 99.9; 100 to 268 Nephelos
0.00 to 9.80 EBC
+ Ratio Mode: 0.00 to 9.99; 10.0 to 99.9; 100 to 4000 NTU 0.0 to 99.9; 100 to 26800 Nephelos 0.00 to 9.99; 10.0 to 99.9; 100 to 980 EBC
+ Free and Total Cl: 0.00 to 5.00 mg/L (ppm)
Resolution
+ Non Ratio Mode: 0.01; 0.1 NTU; 0.1; 1 Nephelos; 0.01 EBC
+ Ratio Mode: 0.01; 0.1; 1 NTU; 0.1; 1 Nephelos; 0.01; 0.1, 1 EBC
+ Free and Total Cl: 0.01 mg/L (ppm) from 0.00 to 3.50 mg/L (ppm)
0.10 above 3.50 mg/L (ppm)
Accuracy @25°C
+ Turbidity: ±2% of reading plus 0.02 NTU (0.15 Nephelos; 0.01 EBC)
±5% of reading above 1000 NTU (6700 Nephelos; 245 EBC)
+ Free and Total Cl: ±0.03 mg/L or ±3% of reading
(whichever is greater)
Method
+ Turbidity: Nephelometric method (90°) or Ratio Nephelometric Method (90° & 180°), Adaptation of the USEPA Method 108.1 and Standard Method 2130 B
+ Free and Total Cl: adaptation of the USEPA Method 330.5
and Standard Method 4500-Cl G.
Light Detector
+ Turbidity: silicon photocell
+ Free and Total Cl: silicon photocell with 525 nm narrow band interference filters
Standards
+ Turbidity: <0.1, 15, 100, 750 and 2000 NTU
+ Free and Total Cl: 1.00 mg/L free/total chlorine
Calibration
+ Turbidity: two, three, four or five-point calibration
+ Free and Total Cl: one-point calibration
Turbidity Range Selection: automatic
Repeatability: ±1% of reading or 0.02 NTU (0.15 Nephelos; 0.01 EBC) whichever is greater
Stray Light: < 0.02 NTU (0.15 Nephelos; 0.01 EBC)
Measuring Mode: normal, average, continuous
Light Source/Life: tungsten filament lamp / greater than 100,000 readings
Display: 40 x 70 mm graphic LCD (64 x 28 pixels) with backlight
Log Memory: 200 records
PC Interface: USB
Environment: 0°C (32°F) to 50°C (122°F); max 95% RH non-condensing
Power Supply: 230 V/50 Hz or 115 V/60 Hz 20 W; auto-off after 15 minutes of non-use
Dimensions: 230 x 200 x 145 mm (9 x 7.9 x 5.7”)
Weight: 2.5 Kg (88 oz.)
Order Information: HI 83414-02 (230V) are supplied with sample cuvettes and caps (5), calibration cuvettes for turbidimeter and colorimeter (HI 83414-11), silicone oil (HI 93703-58), cloth for wiping cuvettes, scissors, power cord and instruction manual.
