Xylem MULTI 3400i pH/Oxi MULTI-PARAMETER METERS Manual de usuario descargar pdf (Pagina 18)

Operation pH/ 3400i

4.2.2 Measuring the pH value

AutoRead AR

(drift control)

The AutoRead function (drift control) checks the stability of the mea-

surement signal. The stability has a considerable impact on the repro-

ducibility of the measured values.

For identical measurement conditions, the following criteria apply:

1 Perform the preparatory activities according to section 4.2.1.

2 Immerse the pH electrode in the test sample.

3 Press the <▲> <▼> keys until pH appears in the status display.

The pH value appears on the display.

4 When measuring without a connected temperature sensor:

Options:

z Determine the current temperature using a thermometer

and, while keeping the <RUN/ENTER> key depressed, en-

ter this temperature value with <▲> <▼>.

z TP display indicator not displayed, socket for the second

probe is free:

Connect the second probe (Oxi) and immerse it in the same

test sample. TP flashes, the temperature is automatically

measured using the second probe.

Tref20

Lin

Cal

SalOU

mg/l

mV/pH

Sal

AutoCal DIN

Tref25

nLF

AutoCal TEC

RCL

Auto

Store

LoBat

ARng

Time

Baud

Day.Month No.

Ident

Year

mbar

TDS

Reproducibility Response time

Better than 0.02 > 30 seconds

1 Call up the pH measuring mode with <M> and <▲> <▼> .

2 Activate the AutoRead function with <AR>.

The current measured value is frozen (hold function).

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 78 79

Comentarios a estos manuales

Sin comentarios

Xylem MULTI 3400i pH/Oxi MULTI-PARAMETER METERS Manual de usuario Pagina 18

Comentarios a estos manuales

Relacionado con productos y manuales para Herramientas Xylem MULTI 3400i pH/Oxi MULTI-PARAMETER METERS