Caracter\u00edsticas del producto<\/b>
\n\u25c6 Dual-beam proportional monitoring optical system, 1200 lines\/mm high-performance imported grating
\n\u25c6 The instrument adopts an 8mm optical base and a suspended optical system design,which is solid and reliable, ensuring that all parameters meet high standards
\n\u25c6 The instrument adopts modular design, with distinct functional areas, facilitating identification and maintenance
\n\u25c6 The instrument uses a 128*64 dot matrix liquid crystal display, capable of displaying multiple sets of data per screen
\n\u25c6 It adopts a sine screw structure, with a unique and advanced design, providing high precision
\n\u25c6 It uses a professionally optimized circuit system, low power consumption, energy saving, and the lifespan of the lamp source can be extended by one-third
\n\u25c6 It adopts a classic optical path design, with strong energy at the end points of the light path and high resolution, and the instrument is compact in size.
\n\u25c6 The instrument uses a digital processing system for precise processing of photoelectric conversion, electrical signals, and digital signal conversion
\n\u25c6 The unique air circulation system ensures that the internal temperature of the instrument is relatively balanced, maintaining the stability of the working environment of the internal components
\n\u25c6 The large sample chamber can accommodate 5-100mm cuvettes and supports various accessories required for testing
\n\u25c6 The flange base type deuterium lamp and socket type tungsten lamp design allows for lamp replacement without optical adjustment
\n\u25c6 The fully sealed structure and the SiO2 protective film on all optical mirrors completely reduce the influence of external gases and the environment on optical components
\n\u25c6 It uses a digital touch film keyboard for convenient user input of wavelength,concentration, time, etc.
\n\u25c6 The standard equipment includes ScanSoft’s scanning software, which can directly complete photometric measurement, quantitative testing, qualitative testing, kinetic testing,multi-wavelength testing, DNA\/protein testing, and data mapping processing.<\/p>\n
Product Functions<\/b><\/p>\n
System functions<\/b>
\n\u25c6 Storage Function: It can store 200 sets of data and standard curves. The data can be read directly through page turning. They can be called up at any time by the serial number and the data can be retained even after power loss.
\n\u25c6 Printing Function: It can be directly connected to a printer to print the test data and curves.
\n\u25c6 Online Function: Utilizing the USB data port, it is possible to easily select and configure software to achieve online operation.
\n\u25c6 Self-check Function: Upon startup, it conducts self-checks on various key parameters and main components to ensure that the instrument always operates under a normal system onfiguration.
\n\u25c6 Self-calibration Function: The instrument has wavelength calibration and dark current correction functions, which can eliminate deviations caused by long-term use and ensure the accuracy of the instrument’s measurements.
\n\u25c6 Other System Functions: Light source switch, automatic light source switching settings,time settings, factory reset, etc.
\nTesting Function
\n\u25c6 Basic Functions: Transmittance, absorbance, concentration, energy, etc. measurement functions
\n\u25c6 Standard Curve: Can establish a standard curve through single-point sampling or multi-point sampling, and use the newly created standard curve to quantify sample concentrations
\n\u25c6 Coefficient Method: Can determine sample concentrations by directly inputting the coefficients of the curve equation<\/p>\n
Product Specifications<\/b>
\nWavelength range: 190 – 1100 nm
\nSpectral bandwidth: 2 nm
\nWavelength accuracy: \u00b10.8 nm
\nWavelength repeatability: \u22640.2 nm
\nWavelength setting: Automatically set wavelength, with wavelength resolution of 0.1 nm
\nAbsorbance accuracy: \u00b10.3%T (0 – 100%T)
\n\u00b10.002 Abs (0 – 0.5 Abs)
\n\u00b10.004 Abs (0.5 – 1.0 Abs)
\nAbsorbance repeatability: \u22640.15%T (0 – 100%T)
\n\u22640.001 Abs (0 – 0.5 Abs)
\n\u22640.002 Abs (0.5 – 1 Abs)
\nScattered light: \u22640.1%T
\nBaseline drift (stability): \u00b10.002 A\/h
\nBaseline straightness: \u00b10.002 A
\nMeasurement mode: Transmittance T, Absorbance A, Concentration C,Energy E
\nNoise level: \u00b10.001 A
\nAbsorbance range: 0 – 200%T, -0.3 – 3.0 Abs, 0 – 9999 C
\nScan speed: Three adjustable speeds: high, medium, and low
\nKeyboard: Digital touch film keys
\nData output: USB interface
\nPrint output: Parallel port, micro printer; PC printer (for connection)
\nDisplay system: 128*64 dot matrix large screen LCD
\nDetector: Imported silicon photodiode
\nLight source: Imported long-life deuterium lamp, tungsten lamp
\nDimensions: 460*380*180 mm
\nPower supply: AC 220V\/50Hz or 110V\/60Hz
\nWeight: 18 Kg<\/p>\n
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\nAST-1900 Espectrofot\u00f3metro ultravioleta-visible<\/a><\/p>","protected":false},"excerpt":{"rendered":"