Temperature and salinity refractometer to measure the salinity of the water plus the temperature.

Salinity Refractometer + temperature.

Features:

• Application: To measure seawater (marine aquarium)
• Range: 0-50 PSU - 0 to 150 ppt - 1.000 to 1.114 SG (20/20)
• Resolution: 1 Psu / 1 ppt / 0.001 SG / 0.1 ° C
• Digital calibration with a drop of distilled water (key pres. "Zero)"
• Automatic Temperature Compensation
• Battery: 1 x 9V Alkaline (5000 h of operation)
• Auto close after 3 mn unused