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Fisherbrand™ Handheld Analog Clinical Refractometer

When you need reliable, accurate readings of your Urine samples, the Fisherbrand™ Analog Clinical Refractometers delivers the value with the ability to read Serum Protein, Specific Gravity and Refractive Index all on a single scale.

$152.00 - $173.00


Type Clinical Refractometer
Scale Range 1.000 to 1.050 Urine Specific Gravity, 1 to 12 g/dl Serum Protein
Refractive Index 1.331 to 1.36
Sample Volume 1 mL
Calibration Distilled Water
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Includes: Calibration Screw Driver, Soft sided case, Applicator, Manual

Products 2
Catalog Number Temperature Compensation Price Quantity & Availability  
Catalog Number Temperature Compensation Price Quantity & Availability  
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Refractometers have been used for measuring the concentration of solutions for more than a century. Their primary purpose is to measure the degree at which light bends as it passes through a medium, and is used in a wide range of applications and industries as a quality control and diagnostic tool.

Fisherbrand Analog Refractometers are designed for simple operation and built with an all-metal construction for durability. Its industrial design is the most commonly used design among refractometer manufactures as it is a cost-effective model to build.

Each unit is inspected in the United States by a factory qualified technician under a rigid quality control process to ensure its accuracy, and performance.

Key Features:

  • Quickly calibrate the instrument with a turn of a screw, and distilled water
  • Comfortable eyecup blocks out ambient light and allows for crystal clear viewing of readings
  • Automatic temperature compensation prevents the need for constant re-calibration of the instrument. As the ambient temperature changes, the scale will automatically compensate for the difference in the degree of refraction. This ensures an accurate reading every time
  • All metal construction creates durability. NOTE: Model 12-561-340 comes without ATC
  • Footrest allows the instrument to be set on a flat surface without the worry of it rolling off working surfaces
  • Rubber hand grip is comfortable, easy to grasp. Its non-slip pattern grip reduces that chance of accidentally dropping the instrument
  • Double hinged daylight plates create two points of movement to allow for greater flexibility in movement; making it easy to add samples and clean
  • Portable, easy to use design.

Clinical Models:

Quickly and accurately get an indication of basic health parameters such as dehydration and blood plasma protein levels. Fisherbrand Analog Clinical Refractometers use three-scales to measure Total Serum Protein, Urine Specific Gravity, and Refractive Index. They are ideal for use in quality control, research, and clinical laboratories.

  • Urine Specific Gravity: 1.000ppt to 1.050ppt with granularity to measure down to 0.001ppt at a 0.002ppt degree of accuracy
  • Serum Protein: 1g to 12g with granularity to measure down to 0.2g/100mL at a 0.2g/100mL degree of accuracy
  • Refractive Index: 1.334nD to 1.360nD with granularity to measure down to .0005nD at a 0.0005nD degree of accuracy.

Warranty and Services

2 years



Clinical Refractometer
1.331 to 1.36
Distilled Water
0.881 lb.
172 x 39 x 39 mm
39 mm
204 mm
39 mm
1.000 to 1.050 Urine Specific Gravity, 1 to 12 g/dl Serum Protein
1 mL
0.002; 0.2 g/dl; 0.0005
0.002; 0.2 g/dl; 0.0005
Calibration Screw Driver, Soft sided case, Applicator, Manual
0.4 kg
1.535 in.
6.772 in.
1.535 in.
5 years optical and mechanical, 1 year electrical from date of purchase


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