Hanna Instruments hi 93741 用户手册

HI 93745

Chlorine/pH/Iron LR/Hardness

HI 93745

pH/Free & Total Chlorine

Total Hardness/Iron Low Range

The HI 93745 meter measures the pH, the Magnesium (Mg), Calcium
(Ca) and Total Hardness, the Free and Total Chlorine (Cl

) and Iron (Fe)

contents in water and wastewater.

SPECIFICATIONS

Range

pH 5.9 to 8.5

Free Cl

0.00 to 2.50 mg/L

Total Cl

0.00 to 3.50 mg/L

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

0.01 mg/L

Fe 1 µg/L

Hardness 0.01 mg/L

Accuracy

pH ±0.1

±0.03 mg/L ±3% of reading

Fe ±10 µg/L ±8% of reading

Hardness ±0.11 mg/L ±5% of reading

Typical EMC pH ±0.1

Deviation

±0.01 mg/L

Fe ±1 µg/L

Hardness ±0.02 mg/L

HI 93711-0

Total Cl

DPD

1 packet

HI 93722-0

Cyanuric Acid Powder Reagent

1 packet

Liquid version (chlorine):

HI 93701A-F Free Chlorine

DPD1 indicator

3 drops

HI 93701B-F Free Chlorine

DPD1 buffer

3 drops

HI 93701A-T Total Chlorine

DPD1 indicator

3 drops

HI 93701B-T Total Chlorine

DPD1 buffer

3 drops

HI 93701C-T Total Chlorine

DPD3 solution

1 drop

REAGENT SETS

HI 93701-01 Reagents for 100 free chlorine tests
HI 93701-03 Reagents for 300 free chlorine tests
HI 93701-F Reagents for 300 free chlorine tests (liquid version)
HI 93701-T Reagents for 300 total chlorine tests (liquid version)
HI 93710-01 Reagents for 100 pH tests
HI 93710-03 Reagents for 300 pH tests
HI 93711-01 Reagents for 100 total chlorine tests
HI 93711-03 Reagents for 300 total chlorine tests
HI 93722-01 Reagents for 100 cyanuric acid tests
HI 93722-03 Reagents for 300 cyanuric acid tests
For other accessories see page 48.

MEASUREMENT PROCEDURE

• Turn the meter on by pressing ON/OFF.

• The meter will automatically default to pH mea-

surement mode.

• When the LCD displays “- - -”, it is ready.

pH MEASUREMENTS

In order to perform pH measurements, follow the procedure on
page 46.

CHLORINE MEASUREMENTS

• Press SET once to select the chlorine scale. “C” will appear on the

LCD.

OFF

SET

C 104
pH/Cl/Cyanuric A.