UV-Vis spectrophotometer (large screen scanning type, eight-cell) ELISA reader (10.4-inch true color LCD display, touch screen, 320-1000NM) ELISA reader (LCD display, key input) Visible spectrophotometer (large LCD screen, manual wavelength setting) UV-Vis spectrophotometer (double beam, spectral bandwidth adjustable in five levels) UV-Vis spectrophotometer (double beam, spectral bandwidth adjustable in six levels) UV-Vis spectrophotometer (double beam, spectral bandwidth 2NM) Thermal printer (matching Deutsche Post ELISA reader) Visible spectrophotometer (large screen LCD, stability ±0.001A/30MIN) Microplate reader (8-hour color LCD display, touch screen input) UV-visible spectrophotometer (large screen scanning type, spectral bandwidth 1.8NM) UV-Vis spectrophotometer (practical scanning, quadruple pool, spectral bandwidth 2NM) BIOPHOTOMETER D30 Nucleoprotein Assayer BIOPHOTOMETER D30 Nucleic Acid Protein Analyzer Standard Filter System IMARK microplate reader (can be equipped with 8 filters, three-stage vibration, original Bole) UV-Vis spectrophotometer (practical, spectral bandwidth 4NM or 2NM optional) UV-Vis spectrophotometer (practical scanning type, spectral bandwidth 2NM) Visible spectrophotometer (LED digital display, manually set the wavelength)