Hydrometers, density, series M50 , BS718:1991 Range Span 0.050g/ml, length = 270mm, divisioned in 0.001 g/ml, adjusted at 20 C. For medium surface tension Range 1.45 to 1.50(g/ml)
Hydrometers, density, series M50 , BS718:1991 Range Span 0.050g/ml, length = 270mm, divisioned in 0.001 g/ml, adjusted at 20 C. For medium surface tension Range 1.45 to 1.50(g/ml)