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DetailsDigital Hand- Held 'Pen' Refractometer Urine S.G Hand-Held Urine Specific Gravity Pen Refractometer utilizes the refractive index method to measure the specific gravity of urine. Extremely easy to use - simply dip the tip into the sample and press the "START" and the result appears in 2 seconds. The Pen means less pipetting of the sample and therefore saving valuable time
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Weight No Weight 4kg - 10kg No Special Offer No