Display/Keyboard - testo 230 Bedienungsanleitung

Instrument description
Display /keyboard
Display of measured value (pH / mV)
(°C for temperature measurements without
pH electrode)
Unit of temperature measurement
Probe recognition
• MAN .............electrodes without temp. sensor
• Symbol + AUTO...external temp. sensor
• AUTO ............electrode with temp. sensor
DIN/NBS buffer (display in calibration menu)
Battery control
When switching on: battery voltage
During operation: low battery warning
HOLD function/Auto-hold function
Display of calibration menu
Auto-off display
HOLD key (hold measured values or set values
with manual input function)
On - Off key
Page key (call up individual menus)
SELECT key (select menus or set values with
manual input function)
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