Sample Measurement; Ph Measurement; Mv Measurement; Settings - Mettler Toledo SevenEasy S20 Bedienungsanleitung

Measurement
5.

Sample Measurement

5.1

pH measurement

Place electrode in sample and press
The display shows the pH of the sample. The automatic endpoint A is the meter's default setting. When
the sensor output has stabilized, the display freezes automatically, and
The automatic endpoint algorithm is 0.1 mV per 5 seconds.
By pressing and holding the
manually endpoint a measurement, press
5.2

mV measurement

To perform a mV measurement, follow the same procedure as for pH measurement. To see the mV
value during pH measurement, simply press
5.3

Settings

5.3.1

ATC

For better accuracy, we recommend the use of either a built-in or a separate temperature probe. When
a temperature probe is used, the symbol ATC and the sample temperature are displayed.
5.3.2

MTC

When the meter does not detect a temperature probe, it automatically switches to manual temperature
compensation mode, and MTC appears.
To set the MTC temperature, press
temperature of your sample. Press the
5.3.3

Data output

If a PC or printer is connected, every endpointed reading is sent to PC or printed through the RS232
interface.
By pressing and holding the
it has endpointed.
8
to start the measurement: the decimal point flashes.
key, you can switch between auto and manual endpoint mode. To
, the display freezes and
.
to start, use and
key to confirm your setting. The default setting is 25 °C.
key appears. The meter sends out a reading every second until
appears.
appears.
to increase or decrease the value to the
METTLER TOLEDO SevenEasy