Features:
Handheld design and non-slip rubber handle for easy operation.
Built-in automatic temperature compensation(ATC) to get faster results.
With measurement level for direct reading.
Adjustable manual focus, easy to focus and calibrate.
Comes with a case, convenient for storage and portable for use.
Measure salt water or salinity of water, ideal for aquariums and marine monitoring.
Instant Reading Result: Just need 2-3 drops of solution and a few seconds, you can get accurate readings.

Specifications:
Color: Black + Silver + Blue
Material: ABS
*Measuring Range:
Salinity: 0-100 Specific Gravity: 1.000-1.070
Accracy: 1
ATC - automatic temperature compensation
Item Size: shown as picture
Package Size: Approx. 20.5 * 7.5 * 5.5cm / 8.1 * 3 * 2.2in
Package Weight: Approx. 230g / 8.11oz

Note:
1. After use, do not directly wash in water. Wipe with a clean soft cloth. The optical surface should not be scratched
2. The instrument should be stored in a dry place without corrosive gas.
3. Avoid missing parts.

Package List:
1 * Salinity Refractometer
1 * Slotted Screwdriver
1 * Cleaning Cloth
1 * Straw
1 * User Manual
1 * Packaging box