Hanna-instruments HI 93710 Manual de usuario descargar pdf (Pagina 11)

HI 93725

pH & Total Hardness

HI 93725 - pH & Total HardnessHI 93725 - pH & Total Hardness

HI 93725 - pH & Total Hardness

The HI 93725 meter measures pH and Magnesium/Calcium and Total

Hardness content in water and wastewater.

SPECIFICATIONS

Range pH 5.9 to 8.5

Mg Hardness 0.00 to 2.00 mg/L

Ca Hardness 0.00 to 2.70 mg/L

Total Hardness 0.00 to 4.70 mg/L

Resolution pH 0.1

Hardness 0.01 mg/L

Accuracy pH ±0.1

Hardness ±0.11 mg/L ±5% of reading)

Typical EMC pH ±0.1

Deviation Hardness ±0.02 mg/L

Light Source Light Emitting Diode @ 555 nm

Method For pH, Phenol red method. The reaction with

reagent causes a red tint in the sample.

For total hardness, adaptation of the Standard

Methods for the Examination of Water and

Wastewater, 18

edition, Calmagite/colorimet-

ric method. The reaction between hardness and

reagents causes a maroon tint in the sample.

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Hanna-instruments HI 93710 Manual de usuario Pagina 11