Thr/Hyd 30-50a 0-150f Mercfree. ,Each

Details:

Combined form, mercury-free hydrometers^ for petroleum testing. Range: 30 to 50[degree]api. Subdivisions: 0.2[Degree]api. Thermometer range: 0 to 150[degree]f. Temperature standard: 60[degree]f. Approximate length: 380mm. Thermometers are filled with organic red liquid and contain no mercury.