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Fisherbrand™ Handheld Digital Clinical Refractometer

Fisherbrand™ Handheld Digital Clinical Refractometers are portable, reliable and accurate for fast, reliable results to determine dehydration or total plasma protein levels in blood.

Catalog No. 12-561-354

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Includes: Digital refractometer, Rubber grip, prism cover, hard shell case, battery, Applicator, Manual



Fisherbrand™ Digital handheld Refractometers are designed to fit into the palm of your hands, and easy to operate. Their compact design allows them to be taken anywhere you need them to go with its IP65 ingress protection water and dust. .

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


  • Compact, lightweight design for easy portability
  • Automatic Temperature Compensation to prevent inaccurate readings due to temperature fulgurations.
  • Stainless steel prism well for great protection and easy cleaning
  • Easily switch between C°/ F° readings
  • IP65 rating for protection against water and dust
  • 589.3nm LED for easy readings in any low light situation, and increased accuracyPowered by a single AAA battery
  • Battery-saving mode automatically powers unit off after 1 minute of inactivity
  • Requires 4 to 5 drops sample size for micro-volume detection
  • AFM technology measures the sample 15 times, and displays the mean value
  • Large digital display, allows for easy-to-read measured values, temperature, and battery life all on the display
  • Removable grip for easy cleaning
  • Hanging strap to prevent accidentally dropping the unit
  • Single button calibration with distilled water
  • 4 rubber feet allow for the unit to sit firmly and securely on most surfaces without causing scratches to the unit or the surface it is sitting on
  • 1-Year warranty



Quickly and accurately get an indication of basic health parameters such as dehydration and blood plasma protein levels FisherBrand™ Handheld Digital Clinical Refractometers measures Total Serum Protein, Urine Specific Gravity, and Refractive Index, and ideal for use in quality control, research, and clinical laboratories.

Warranty and Services

1 year



Clinical Refractometer
1.3330 to 1.4200
Distilled water
SP. G. 0.001; S.P. 0.1; RI 0.0001nD
SP. G. 0.001; S.P. 0.1; RI 0.0001nD
2 sec.
Clinical; Veterinary; Drug testing; Dehydration
0.2 lb.
25 x 58 x 121 mm
121 mm
25 mm
58 mm
0°C to 40°C
1xAAA Battery
-0.1 to 12.0 Serum Protein, 1.000 to 1.050 Urine Specific Gravity
>0.2 mL
Urine SP. G. ±0.002; Serum P. ±0.2; Refractive Index ±0.0003nD
Digital refractometer, Rubber grip, Prism cover, Hard shell case, Battery, Applicator, Manual
90 g
0.98 in.
4.76 in.
2.28 in.
5 years optical and mechanical, 1 year electrical from date of purchase
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