About This

• It is designed for the measurement of seawater or low concentrated saltwater.
• Dual scale: 0-100‰ salinity and corresponding specific gravity 1.000-1.070
• Automatic temperature compensation function minimizes the effect of the temperature on testing result.
• Easy to Use: It's very easy to use even for new users. And no battery needed.
• Ideal for marine fishkeeping aquarium, saltwater pool, marine monitoring,lab,agricultural, gardening and educational purposes.