A glass instrument for measuring the density and saturation of salt inseawater.
A ballasted float carrying a scale that indicates density asrelated to fresh water. Zero is 1,000; the density of seawater is about1,026, but varies, in different areas between 1,000 and about 1,040.
Code | Graduation | Length mm |
651344 | 1000-1040 | 250 |
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