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  • This product contains natural rubber latex which may cause allergic reactions.

  • For health reasons we are unable to accept returns or exchanges of hygiene products.

  • This item is considered dimensionally oversized parcel or requires truck delivery. Additional shipping charges will be calculated at time of order.

  • This item is classified as hazardous materials. Can ship ground only - restricted from air. Additional shipping surcharge will be added at time of order.

  • This product has a Bariatric rating.

  • If you have any questions please contact customer support at: 800.556.3326 or Email at:

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  • Urine SG: 1.000-1.050
  • Refractive Index: 1.3330-1.3660
  • Minimum Indication: 0.001, 0.0005
  • Accuracy: +/- 0.001, 0.0005
  • Automatic Temperature Compensation (ATC) Range: 10 ~ 30°C
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The MASTER-URC/Na only needs a single drop of sample to quickly and easily measure Urine Specific Gravity. The new plastic design is corrosion resistant against salty and acidic samples. The improved optics system offers higher contrast and better clarity, for easier readings.