User Manual
www.SereneLifeHome.com2
Please read this manual
completely before operation
INDEX
1. Introduction
2. Meter Description
3. Display Layout
4. Battery Installation 
 and Replacement
5. Operation
6. Maintenance, Storage and 
 Calibration
7. Troubleshooting
8. Name and Content of Toxic
 or Harmful Substances
9. Device and Label symbols
10. Features and Technical Specs
11. Limited Warranty
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