2
Overview
Introduction
Thank you for selecting the METRIA M21 benchtop pH meter. This manual provides a step-by-step guide to help you operate the
meter, please
carefully read the following instructions before use.
Unpacking
Before unpacking, ensure that the current work environment meets the following conditions.
•
Relative humidity is less than 80%.
•
Ambient temperature is greater than 0°C/32°F and less than 50°C/122°F.
•
No potential electromagnetic interference.
The following list describes the standard components of meter. After the unpacking, please check all components are complete.
If any are
damaged or missing, please contact the supplier.
• 210 pH meter
• pH buffer sachets
• Electrode arm
• DC9V power adapter
• pH electrode
• Temperature probe