Instrument characteristics

*Host Chinese operating system, 7-inch color touch screen display

*The spacious touch screen can display multiple sets of data, menu display, and can directly display graphs

*Huge memory space, capable of storing multiple sets of data and curves

*Automatic adjustment0Adjustment100%function

*Automatic wavelength adjustment

*Color filter automatic switching

*Wide sample pool（5mm～100mm）

*Capable of measuring standard curves using up to ten standard samples

*Can be directly inputtedK、BEstablishing standard curves for quantitative measurement of factors

*Can directly input standard samples and corresponding concentration values to establish a standard curve for quantitative measurement

*Standard curve parameters for power-off saving measurement settings

*Equipped with a universal parallel printing interface, it can print title bars, measurement data, curve parameters, curve standard sample points, and curves

*Support external USB storage and transmission of experimental data

Technical indicators and basic parameters

*Optical path structure:C-Ttype

*Wavelength range: 190～1100nm

*Spectral bandwidth:2nm

*Wavelength accuracy: ±0.5nm

*Wavelength reproducibility: ≤0.2nm

*Transmittance accuracy:±0.3%τ

*Transmission density repeatability:0.15%τ

*Stray light: ≤0.04%τ(220nm NaI，340nm NaNO2)

*Stability:0.001A/h（500nmAfter preheating)

*Measurement methods: transmittance, absorbance, concentration, energy

*Wavelength adjustment: automatic adjustment

*Luminous range: -0.3～3A

*Display mode: 7-inch color touch screen

*Detector: Imported silicon photodiode

*Light source: imported deuterium lamp, imported tungsten lamp

*Power Supply:AC220V/50Hzperhaps

*110V/60HzPower:

*120W480Instrument size:350××

*220mmNet weight of the host: