The IRAffinity-1 offers the highest S/N ratio in its class* (30,000:1, 1-minute accumulation, neighborhood of 2,100 cm-1, peak-to-peak), a maximum resolution of 0.5 cm-1, and compact dimensions. Furthermore, the high-performance IRsolution software, which emphasizes operability, and analysis support programs (a foreign matter analysis program and a Japanese Pharmacopoeia compliance program) make it easier to perform data processing and analysis.