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The DR-M4/1550 is a digital Refractive Index (nD) Abbe refractometer that is designed for Refractive Index or Abbe number (νd or νe) to be measured at different wavelengths ranging from 450 to 1,550nm, and display on the LCD. Measurement can be achieved by matching the boundary line with the intersection point of the cross hairs. This refractometer is connectable with optional digital printer DP-63 (B).
Specifications | |
Range | Refractive index (nD) : 1.5219 to 1.9155 (at 450nm), 1.4700 to 1.8700 (at 589nm), 1.4561 to 1.8544 (at 680nm), 1.4310 to 1.8259 (at 1,100nm), 1.4215 to 1.8136 (at 1,550nm) |
Resolution | Refractive index (nD) : 0.0001, Abbe number : 0.1 |
Accuracy | Refractive index (nD) : ±0.0002 |
Power | AC adapter |
Unit Dimensions | 310 x 290 x 130 mm |
Unit Weight | 6000 g |