Hanna-instruments HI 98703 Manual de usuario descargar pdf (Pagina 23)

TWO-POINT CALIBRATION

• Turn the instrument on by pressing ON/OFF.

When the LCD displays dashes, the instrument

is ready.

• Enter calibration mode by pressing CAL.

The display will show “CAL P.1” and no

suggested value. This first point is used to

check the optical system.

• Place the <0.1 NTU standard cuvette into

the holder and ensure that the cuvette mark

is aligned with the sign on the instrument

top.

• Close the lid and press READ u. The display

will show blinking dashes and the icons for

cuvette, detectors and lamp will appear during

measurement. Alternatively, press LOG/CFM

to skip the first point.

• The second calibration point (15.0 NTU) is

then displayed on the primary LCD, “CAL P.2”

on the secondary LCD, and “READ” tag will

blink.

• If the prepared formazin is used, edit the

displayed value by pressing s or t keys

until the display shows the correct value.

• Remove the first standard cuvette and place

the 15.0 NTU standard cuvette (or the

prepared one) into the holder and ensure

that the cuvette mark is aligned with the

sign on the instrument top.

• Close the lid and press READ u. The display

will show blinking dashes and the icons for

cuvette, detectors and lamp will appear during

measurement.

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 39 40

Sin comentarios

Hanna-instruments HI 98703 Manual de usuario Pagina 23