Densimetro bianco e nero con campo di prova 0~4,5D errore di ripetibilità ±0,03D
Small size, light weight, easy to operation and carry, high precision and stable. Nonlinear fitting technique can rise the precision. Repeatability error ： ±0.03D. Deviation ： (0.00D ～ 3.00D)±0.03D/ (3.00D ～ 4.00D)±0.04D/ (4.00D ～ 4.50D)±0.05D.