• Digital refractometer for a more accurate Urine Specific Gravity (USG) reading
• Delivers a nearly instantaneous result of USG
• Automatically calibrates itself to water and is ready to use in seconds
• LCD display is easily read, even with dim light

While urine colour works well as a quick and easy guide, a far more accurate reading can be attained by using a Refractometer. The ATAGO Pen Refractometer (Model No. 3471) is designed to measure USG (Urine Specific Gravity), being a more effective and efficient way to assess hydration status.

Lighter coloured urine is more dilute (i.e. it has less molecules per volume), and has a specific gravity closer to that of water (1.00), indicating a good hydration status. Dark coloured urine results from having more molecules per volume (higher USG) and indicates dehydration.