Digital Urine Refractometer DUR51
Refractometer using linear CMOS sensor with high precision and great repeatability.
The exterior shell is made of high-performance waterproof and anti-shock material.
The product has low consumption – one No.7 battery supplies enough charge for 15.000 measurements.
This product is small and portable and is suitable for daily health care, food and beverage industry procurement, medical care, automotive and other industries.
Specification :
| Model | Type | Parameter | Range | Accuracy | Precision |
| DUR51 | Clinical | URINE SP.G.(sg) | 1.000-1.050 | 0.001 | ±0.002 |
| Serum P. | -0.1-12.0 | 0.1 | ±0.2 | ||
| Refractive lndex | 1.3330-1.4420nD | 0.0001nD | ±0.0003nD |
Fast, Accurate Urine Specific Gravity Testing with the Digital Urine Refractometer DUR51
Streamline clinical and veterinary diagnostics with the Digital Urine Refractometer DUR51—a handheld, precision instrument designed exclusively for rapid, non-invasive measurement of urine specific gravity (USG) and total protein in human and animal samples. Eliminating the need for reagents, strips, or centrifugation, the DUR51 delivers lab-quality results in seconds with just 2–3 drops of urine, making it ideal for hospitals, clinics, veterinary practices, and field testing.
Engineered for Clinical Reliability and Ease of Use
The DUR51 Digital Urine Refractometer uses advanced optical sensing and automatic temperature compensation (ATC) to provide highly accurate readings across a clinically relevant range:
Urine Specific Gravity: 1.000–1.060 (±0.001)
Total Protein: 0–12 g/L (±0.2 g/L)
Its waterproof (IP65), compact design features a scratch-resistant sapphire prism, backlit digital display, and one-button operation—ensuring reliable performance even in fast-paced or mobile settings.
- Clinical-Grade Accuracy – ±0.001 for USG, meeting clinical standards for hydration and kidney function assessment.
- Automatic Temperature Compensation (ATC) – Compensates for sample temperature (10–40°C) for consistent results.
- Reagent-Free & Non-Destructive – No strips, chemicals, or sample waste; ideal for point-of-care use.
- IP65 Waterproof & Durable – Resists splashes, dust, and daily clinical wear.
- Long Battery Life (5,000+ Tests) – Auto-off function; uses standard CR2032 battery.
- Easy to Clean & Calibrate – Rinse with water; one-point calibration using distilled water.
Trusted in Human and Veterinary Medicine
Urine specific gravity is a key indicator of renal concentrating ability, hydration status, and overall metabolic health. The DUR51 enables:
Rapid triage in emergency departments
Monitoring of chronic kidney disease (CKD)
Dehydration assessment in athletes or elderly patients
Urinalysis in veterinary clinics (dogs, cats, livestock)
Its speed, accuracy, and simplicity make it a preferred alternative to dipsticks and hydrometers—reducing errors and improving workflow efficiency.
Whether you’re in a hospital ER, a mobile vet unit, or a remote clinic, the Digital Urine Refractometer DUR51 puts reliable renal assessment at your fingertips.
Test smarter. Diagnose faster. Care better.


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