The Fisher Scientific Analog Lighted Clinical Refractometer has a unique design which incorporates LED technology to illuminate the scale without the need of ambient light. With the ability to read Serum Protein, Specific Gravity and Refractive Index all on a single scale, it makes it the ideal choice.

Scales:                                                           
Urine Specific Gravity:
* Range 1.00-1.050 SG
* Minimum Division: 0.005 SG
* Accuracy: +/1 0.005 SG

Serum Protein:
* Range: 0-12 g/dl
* Minimum Division: 0.20 g/dl
* Accuracy: +/1 0.20 g/dl

Refractive Index:
* Range: 1.330-1.360 RI
* Minimum Division: 0.0005 RI
* Accuracy: 0.0005 RI