Hanna-instruments HI 93414 Manual de usuario descargar pdf (Pagina 12)

SPECIFICATIONS

Turbidity

Range 0.00 to 9.99; 10.0 to 99.9 and 100 to 1000 NTU

Range selection Automatically

Resolution 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

Accuracy ±2% of reading plus 0.02 NTU

Repeatibility ±1% of reading or 0.02 NTU, whichever is greater

Stray Light < 0.02 NTU

Light Detector Silicon Photocell

Method Ratio Nephelometric Method (90°), ratio of scatter and

transmitted light; Adaptation of the USEPA Method 180.1

and Standard Method 2130 B.

Measuring mode Normal, Average, Continuous.

Turbidity Standards <0.1, 15, 100 and 750 NTU

Calibration Two, three or four-point calibration

Free and total Chlorine

Range Free Cl

0.00 to 5.00 mg/L

Total Cl

0.00 to 5.00 mg/L

Resolution 0.01 mg/L from 0.00 to 3.50 mg/L; 0.10 above 3.50 mg/L

Accuracy ±0.02 mg/L @ 1.00 mg/L

Detector Silicon photocell with 525 nm narrow band interference filters

Method 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 1 mg/L free chlorine, 1 mg/L total chlorine

Calibration One-point calibration

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Hanna-instruments HI 93414 Manual de usuario Pagina 12