Xylem MULTI 3400i pH/Oxi MULTI-PARAMETER METERS Uživatelský manuál stáhnout pdf (Strana 36)

Operation pH/ 3400i

4.4.4 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.

Criteria With identical measurement conditions, the following applies:

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

2 Activate the AutoRead function with <AR>. The current mea-

sured value is frozen (hold function).

3 Start AutoRead with <RUN/ENTER>.

AR flashes until a stable measured value is reached. This mea-

sured value is transmitted to the interface.

4 If necessary, start the next AutoRead measurement with

<RUN/ENTER>.

5 To terminate the AutoRead function: Press the <AR> key.

RCL

/pH

TDS

Tref20

Cal

Sal

AutoCal DIN

Lin

Tref25

nLF

AutoCal TEC

Auto

Store

LoBat

Time

Baud

Day.Month No.

Ident

Year

mbar

mg/l

ARng

Measured

parameter

Reproducibility Response time

D. O. concentra-

tion

better than 0.05 mg/l > 10 seconds

D. O. saturation

index

better than 0.6 % > 10 seconds

1 2 ... 31 32 33 34 35 36 37 38 39 40 41 ... 78 79

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