Restore Factory Settings; Temperature Compensation; Prior To Use - Metria M21 Manual De Instrucciones

Restore factory settings

The (Reset) option is used to restore the meter back to default settings. If enabled, all of the calibration data and selected
options will be deleted or reset, the meter must be recalibrated.
1. Press and hold the
2. Press the Enter key until the display shows
Press the  /  key to select the
3.

To exit the setup menu without saving changes, press the Meas key.
7

Temperature Compensation

Temperature Compensation
For better accuracy, we recommend the use of either a sensor with a built-in or a separate temperature probe for the calibration
and measurement.
Automatic temperature compensation:
Connect the temperature probe to the meter (Refer to page 5 "Connection"). The ATC icon immediately appears on the display,
the meter is now switched to the automatic temperature compensation mode.
Manual temperature compensation:
If the meter does not detect a temperature probe, the °C icon will show on the display indicating that the meter is switched to
the manual
temperature compensation mode. To set the temperature value, follow the steps below.
1. Press the °C key to enter the temperature setting.
Press the  /  key to set the temperature value, press the Enter key to confirm.
2.

Press the  /  key once, the setting value will increase or decrease by 0.1. Press and hold the key, the setting value will
increase or
decrease by 1.

Prior to Use

Remove the protective cap from the bottom of the pH electrode. If the glass sensitive membrane has dried out, soak the electrode
in 3M KCL
solution for at least 30 minutes.
key for 3 seconds to enter the setup menu.
/ , press the Enter key to confirm.
ATC
/ .
°C