HANNA® instruments Catálogo General v35

Glossary USP US Pharmacopoeia. USP <645> with Stage 1, 2 and 3 compliance is required for purified water and WFI (water for injection). Hanna offers instruments that are able to perform all three stages required by this standard. Some of these requirements are: Resolution of 0.1 μS/cm or better, accuracy at 1.3μS/cm of 0.1μS/cm, to be able to read with or without automatic temperature compensation, the cell constant be known with an uncertainty better than ±2%. UV Ultraviolet—electromagnetic radiationwith a wavelength shorter than that of VIS, but longer than X-rays (10-400 nm). VCO Voltage Controlled Oscillator. VIS The visible spectrum - is the portion of the electromagnetic spectrum that is visible (can be detected by) to the human eye (390 - 750 nm for typical human eye). WHO World Health Organization. 16 Glossary 16.16 | www.hannainst.com

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