Hanna-instruments HI 83740 Manual do Utilizador descarregar pdf (Página 8)

DISPLAY ELEMENTS DESCRIPTION

1) Four digit main display.

2) Battery icon: appears when the battery voltage is getting low.

3) The hourglass icon: appears during the countdown.

4) Status information.

5) Measurement unit.

6) Lamp status indicator.

7) Four digit secondary display.

1) Lid

2) Cuvet Holder

3) Liquid Crystal Display (LCD)

4) ON/OFF key, to turn the meter on and off

5) ZERO key, to zero the meter

6) TIMER key, to activate a countdown

7) READ key, to perform measurement

8) Power Socket 12V to 20V DC 2.5 Watt

FUNCTIONAL DESCRIPTION

FRONT

REAR

INSTRUMENT DESCRIPTION

• Turn the instrument on by pressing ON/OFF.

MEASUREMENT PROCEDURE

20 mL

15 mL

#1 #2

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

• Use the 3 mL plastic pipette to fill two glass vials with

15 mL of wine sample (up to the mark).

Note: The liquid in the vial forms a convexity on the

top; the bottom of this convexity must be at the same

level of the mark.

• Use a clean 1 mL pipette to add 5 ml of Reagent A to

the first vial (#1)

• Use the second 1 mL pipette to add 5 ml of Reagent B

to the second vial (#2)

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Hanna-instruments HI 83740 Manual do Utilizador Página 8