Digital Clinical USG Refractometer
For measuring the specific gravity of human urine, Serum Protein
& refractive index
USG refractometer Features of the CliniCheck 
UrSg Digital Refractometer

  • Measure USG, Serum Protein & Index
  • Easy operation just put the sample into the well - push the button
  • 5 Digit Display - no scrolling needed.
  • Very portable fits in your pocket
  • laboratory-grade performance
  • Easy wipe clean up sculpted well
  • Small sample volume only 0.1 ml
  • Convenient 2 x AA standard batteries 10,000 measurements

The Clinic-Chek is a multi-scale clinical refractometer ideally suited for the medical clinic, laboratory, and for athletic/wrestling hydration measurement.  Three measurements scales in one model allows more flexibility and cost savings to you.  The Clinic-Chek is more accurate than hydrometers and test strips.

The Clinic-Chek is easy to operate and provides quick results. Its LCD digital display is easy to read and removes the subjectivity of shadow line interpretation across a small scale used in conventional handheld refractometers.  Reading errors are eliminated with this easy-to-use clinical refractometer.

Measure body fluids (Urine and Blood Serum) without placing the sample near your face as required with other optical manual models.  This measurement is safer and more convenient.

Specifications for the Digital Clinical Refractometer
Model CliniCheck
Prism material Glass
Range and scales

Urine S.G 1.000 ~ 1.040
0.0 to 15.0 g/100mL Serum Protein
1.3300 TO 1.4465 Refractive index


0.005 Urine Specific Gravity
0.1 g/100mL Serum Protein
0.0002 refractive index

Calibration Distilled Water
Measuring time < 3.0 seconds
Minimum sample ~ 0.3 mL (2-3 droplets)
Temperature range 10 - 35 degs C
Power 2 x AA ~ 10000 measurements
Dimensions 2.1" x1.1" 3.9”, (54 x 27 x 100 mm)
Weight 100 g 3.5oz
Ratings IP65 water resistant, CE, RoHS, WEEE compliant
Ordering Information electronic Urine SG Refractometers
Model Description Part No Price USD Order Online
CliniCheck Digital clinical refractometer as shown including case, and manual. RC13940021 $325.00 Add item to shopping cart
Holster Holster/Pouch option.
(A storage case is included with the unit)
RC13940021-H $15.00  

Topac Inc 231 CJC Highway, Cohasset MA 02025 USA
Tel: 781 740 8778 Fax: 781 740 8779 e-mail:

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