EUTECH INSTRUMENTS alpha-pH 2000D Instrukcja Obsługi Pobierz pdf (Strona 37)

32 Thermo Scientific Alpha pH 560

From pH measurement mode press ENT key to enter setup

mode as described in page 24. The LCD shows the first screen

of setup mode (OFS). Press ▲ or ▼ key to select buffer

settings screen (bUFF).

Press ENT key to access buffer settings (bUFF).

Selecting buffer group: The lower display shows the last

configured buffer group. Press ▲ or ▼ key to select the

required buffer group (‘USA’ or ‘nST’).

Press ENT key to confirm your selection. The pH Controller

reverts to bUFF screen.

Press ▲ or ▼ key to access other setup screens or Press ▲ and ▼

key simultaneously (escape) to return to measurement mode.

Configuration settings let you configure the pH Controller to different

measurement & operation modes, enable/disable backlight of the LCD

& reset the pH Controller to factory defaults.

Asymmetrical Operation Mode (ASY):

This is the default mode of operation of the pH Controller, which is

suitable for most applications where sample (or process) liquid is not

interfered by adjacent electrical noise.

Symmetrical Operation Mode (SY):

This is mode of operation is recommended for applications where

sample (or process) liquid is subjected to high electrical interference and

therefore the pH reading becomes unstable. When the pH Controller is

set to symmetrical mode, you should immerse the potential matching

pin (PMP) in the sample (or process) liquid or use a pH electrode with

built-in potential matching pin. The ‘MEAS’ indicator blinks when the

pH Controller is set to Symmetric mode.

Configura

ion

Settings

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EUTECH INSTRUMENTS alpha-pH 2000D Instrukcja Obsługi Strona 37