Hanna-instruments HI 83203-2008 Manual de usuario descargar pdf (Pagina 6)

10 11

POWER CONNECTION AND BATTERY MANAGEMENT

The meter can be powered from an AC/DC adapter (included) or from the built-in rechargeable battery.

Note: Always turn the meter off before unplugging it to ensure no data is lost.

When the meter switches ON, it verifies if the power supply adapter is connected. The battery icon on the

LCD will indicate the battery status:

- battery is charging from external adapter - battery fully charged (meter connected to AC/DC adapter)

- battery capacity (no external adapter) - battery Low (no external adapter)

- battery Dead (no external adapter)

OPERATIONAL GUIDE

• Turn ON the instrument via the ON/OFF power switch.

• The meter will perform an autodiagnostic test. During this test, the Hanna Instrument logo will appear on

the LCD. After 5 seconds, if the test was successful, the last selected method will appear on the display.

• In order to select the desired method press METHOD and a screen with the available methods will appear.

• Press   keys to highlight the desired method. Press Select.

METHOD SELECTION

METHOD REFERENCE TABLE

HI 83203 - AQUACULTURE

Method Method Page

description

1 Ammonia MR 16

2 Ammonia LR 18

3 Free Chlorine 20

4 Total Chlorine 23

5 Copper HR 26

6 Copper LR 28

7 Nitrate 30

HEALTH & SAFETY

The chemicals contained in the reagent kits may be hazardous if improperly handled. Read the

Material Safety Data Sheet (MSDS) before performing tests.

Safety equipment: Wear suitable eye protection and clothing when required, and follow instructions carefully.

Reagent spills: If a reagent spill occurs, wipe up immediately and rinse with plenty of water.

If reagent contacts skin, rinse the affected area thoroughly with water. Avoid breathing released vapors.

• It is possible to take multiple readings in a row, but it is recommended to take a new zero reading for

each sample and to use the same cuvette for zeroing and measurement when possible (for most precise

results follow the measurement procedures carefully).

• Discard the sample immediately after the reading is taken, or the glass might become permanently stained.

• All the reaction times reported in this manual are at 20°C (68°F). As a general rule of thumb, they

should be doubled at 10°C (50°F) and halved at 30°C (86°F).

REAGENT BLANK CORRECTION

• Some methods require a “reagent blank correction”. The blank and the sample are prepared exactly

in the same way, only the blank is deionized water instead of sample.

A blank cuvette may be used more than once: stability and storing conditions are described for each

method in the related chapter.

INTERFERENCES

• In the method measurement section the most common interferences that may be present in an average

wastewater matrix have been reported. It may be that for a particular treatment process other

compounds do interfere with the method of analysis.

Method Method Page

description

8 Nitrite HR 32

9 Nitrite LR 34

10 Dissolved Oxygen 36

11 pH 38

12 Phosphate HR 40

13 Phosphate LR 42

1 2 3 4 5 6 7 8 9 10 11 ... 24 25

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Hanna-instruments HI 83203-2008 Manual de usuario Pagina 6

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