Xylem MULTI 3400i pH/Cond MULTI-PARAMETER METERS Manual de usuario descargar pdf (Pagina 38)

Operation pH/Cond 3400i

Calibration evaluation After the calibration, the measuring instrument automatically evaluates

the current status of the calibration. The evaluation appears on the dis-

play.

Determining the cell

constant

You can determine the cell constant (conductivity measuring cell Tetra-

Con 325) as follows:

Display Cell constant [cm

-1

]

0.450 ... 0.500 cm

-1

Eliminate the error according to

chapter 6 W

HAT TO DO IF...

Outside the range

0.450 ... 0.500 cm

-1

1 Press the <CAL> key repeatedly until the and CELL status

displays appear.

2 Press the <RUN/ENTER> key. The CAL display appears, as

well as

– the current, calibrated cell constant (with sensor symbol on

the display) or

– the fixed cell constant 0.475 1/cm (without sensor symbol

on the display). In this case, the measurement parameters

are initialized. See “Reset” on page 62.

3 Immerse the conductivity measuring cell in the control standard

solution, 0.01 mol/l KCI.

RCL

OO UpHUpH SalSal

Store

AutoAuto

AutoCal DIN

AutoCal TEC

LoBat

ARng

Tref20

Lin

nLF

SalSal

mg/lmg/l

mV/pHmV/pH

cmcm

°°

S/S/

cmcm

TDSTDS

mbarmbar

Time

Baud

Day.Month No.

Ident

Year

Time

Baud

Day.Month No.

Ident

Year

0077

cmcm

1/1/

Tref25

Cal

1 2 ... 33 34 35 36 37 38 39 40 41 42 43 ... 82 83

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