Specifications 
Condition: 100% brand new 
Type: Refractometer 
Length: 170mm 
Measuring Ranges: 0 to 100 ppt / 1.000 to 1.070 Specific Gravity 
Precision: 1 ppt / 0.001 Specific Gravity 

Warning: 
1. Accurate measurement depends on careful calibration. 
The prism and sample must be at the same temperature for accurate results. 

2. Do not expose the instrument to damp working conditions. 
And do not immerse the instrument in water. If the instrument becomes foggy， water has entered the body. 
Call a qualified service technician or contact your dealer. 

3. Do not measure abrasive or corrosive chemicals with this instrument. 
They can damage the prism\'s coating. 

4. Clean the instrument between each measurement using a soft， damp cloth. 
Failure to clean the prism on a regular basis will lead to inaccurate results and damage to the prism\'s coating. 

5. This is an optical instrument. It requires careful handling and storage. 
Failure to do so can result in damage to the optical components and its basis structrue. 
With care， this instrument will provide years of reliable service.

Package Includes 
1 x Salinity meter 
1 x Mini screw driver 
1 x Pipette 
1 x English Instruction manual 
1 x piece of cloth 
1 x portable box