Labart Salinity Hand Refractometer
Product Details:

Minimum Order Quantity	1 Piece
Brand	Labart
Usage/Application	Salt,Aquarium Purposes
Measurement BRIX	0-100
Accuracy	+/-0.1%
Temperature Range	0 To 20 Degree
Brix Value	0-100 PPT

Hand Held salinity meter with dual specific gravity and part per thousand (0/100) scales. Designed specifically for aquariums, this unit is ideal for rapid, accurate salinity determinations. Fully automatic temperature compensation(ATC) over the range of 10 to 30C eliminates the need for temperature compensation charts. High contrast white on blue for easy readability. Includes soft-side carrying case.
Directions for use:
Using a soft cloth to clean the prism and testing prism, take a few drops of solution, put it on the prism, close the cover plate, escape from bubbles, to make the solution over the surface of the prism.
Put the instrument into the version of alignment or light department, eyes can observe the field through Eyepiece. Rotate eyepiece to adjust hand wheel. to make the field of view of blue and white points clear. The scale of the demarcation line is the density of the solution.
Calibration and correction of temperature:
It must revise Zero before measure. First, take few drops of distilled water,put it on the detection prism,and then screw the bolt of Zero so that makes it reach 0%, Second,clean the detection prism to inspection. Some models of instruments have to take place standard liquids of distilled water to revise.