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Range
+ Turbidity: 0.00 to 9.99; 10.0 to 99.9 and 100 to 1000 NTU
+ Free and Total Cl2: 0.00 to 5.00 mg/L
Resolution
+ Turbidity: 0.01 NTU from 0.00 to 9.99 NTU; 0.1 NTU from 10.0 to
99.9 NTU; 1 NTU from 100 to 1000 NTU
+ Free and Total Cl2: 0.01 mg/L from 0.00 to 3.50 mg/L; 0.10 above
3.50 mg/L
Accuracy @25°C
+ Turbidity: ±2% of reading plus 0.02 NTU
+ Free and Total Cl2: ±0.03 mg/L ±3% of reading (whichever is greater)
Method
+ Turbidity: Ratio Nephelometric Method (90°), ratio of scattered and
transmitted light; adaptation of the USEPA Method 180.1 and Standard
Method 2130 B
+ Free and Total Cl2: adaptation of the USEPA Method 330.5 and
Standard Method 4500-Cl G. The reaction between chlorine and DPD
reagent causes a pink tint in the sample.
Standards
+ Turbidity: <0.1, 15, 100 and 750 NTU
+ Free and Total Cl2: 1 mg/L free chlorine, 1 mg/L total chlorine
Calibration
+ Turbidity: two, three or four-point calibration
+ Free and Total Cl2: one-point calibration
Light Detector
+ Turbidity: silicon photocell
+ Free and Total Cl2: silicon photocell with 525 nm narrow band
interference filter
Turbidity Range Selection: automatic
Stray Light: < 0.02 NTU
Measuring Mode: normal, average, continuous
Light Source: tungsten filament lamp
Lamp Life : greater than 100,000 readings
Log Memory: 200 records
Serial Interface: USB or RS 232
Environment: 0°C (32°F) to 50°C (122°F); max 95% RH non-
condensing
Power Supply: 1.5V AA alkaline batteries (4) or AC adapter; auto-off
after 15 minutes of non-use
Dimensions / Weight: 224 x 87 x 77 mm / 512 g (18 oz.)
Order Information: HI 93414-01 (115V) and HI 93414-02 (230V) is supplied with sample cuvettes and caps (5), calibration cuvettes for turbidimeter, calibration cuvettes for colorimeter, silicone oil, cuvette wiping tissue, scissors, batteries, AC adapter, instructions and rugged carrying case.
