Hanna-instruments HI 93703 Manual de usuario descargar pdf (Pagina 9)

9

NOTE: Wipe the cuvet thoroughly with a lint-

free tissue (HI93703-70) before in-

serting into the measurement cell.

The cuvet must be completely free of

fingerprints and other oil or dirt, par-

ticularly in the area where the light

goes through (approx. the bottom

2 cm/1").

• Place the cuvet into

the cell and check

that the notch on the

cap is positioned se-

curely into the

groove.

• The mark on the

cuvet cap should

point towards the

LCD.

• Press the READ key

and the LCD will dis-

play a blinking “SIP”

(Sampling in Pro-

cess). The turbidity

value will appear af-

ter approx. 20 sec-

onds.

51

LOGG ING

MICR OPRO CESSO R

TURB IDIT YMETE R

LOGG ING

MICR OPRO CESSO R

TURB IDIT Y

METE R

HI 93703-11

VIEWVIEW

STOSTO

CLRCLR

GLPGLP

CALCAL

DATEDATE

READREAD

ALTALT

OFF

ON

16

To check the date of last calibration, simply

press the GLP/CAL key. Press again to

toggle between date and time.

To make sure that the meter is calibrated, take

a measure of a standard solution.

The instrument can be calibrated at two or three

points and a monthly calibration is recom-

mended.

CALIBRATION PROCEDURE

• Turn the meter on and

wait for the display to

show "----".

• Press the ALT & CAL

buttons together. The

"CAL" message will

blink on the display 3

times. The meter then

enters the calibration

mode, displaying "0.00

cl" and prompting the

user to insert the 0.00

FTU standard.

• Place the 0.00 FTU stan-

dard in the cuvet holder

• Press CAL, SIP and

CL will start blinking

LOGG ING

MICR OPROC ESSOR

TURB IDITYMET ER

LOGG ING

MICR OPROC ESSOR

TURB IDITY

METE R

HI 93703-11

VIEWVIEW

STOSTO

CLRCLR

GLPGLP

CALCAL

DATEDATE

READREAD

ALTALT

OFF

ON

CALIBRATION

0.00

cl

sip

cl

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