Hanna Instruments HI 93710 User Manual

Page 21

HI 93744

pH/Total Hardness/Iron Low Range

The HI 93744 meter measures the pH, the Magnesium (Mg), Calcium

(Ca) and Total Hardness and the Iron (Fe) content in water and

wastewater.

SPECIFICATIONS

Range

pH 5.9 to 8.5

Fe 0 to 400 µg/L

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

Fe 1 µg/L

Hardness 0.01 mg/L

Accuracy

pH ±0.1

Fe ±10 µg/L ±8% of reading

Hardness ±0.11 mg/L ±5% of reading

Typical EMC pH ±0.2

Deviation

Fe ±1 µg/L

Hardness ±0.02 mg/L

Light Source

Light Emitting Diode @ 555 nm

Method

For pH, Phenol red method. The reaction be-

tween pH and the reagent causes a red tint in

the sample.

For Iron, Adaptation of the TPTZ Method. The

reaction between iron and the reagent causes a

blue tint in the sample.

For Hardness, adaptation of the Standard Meth-

HI 93744

Hardness/Iron LR/pH

This manual is related to the following products: