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1, wavelength range: 330-900nm

2, wavelength instruction: four digit LED display

3, wavelength readability: ±0.1nm

4, wavelength accuracy: ≤±1nm

5, wavelength repeatability: 0.5nm

6, monochromator: grating 1200 rope/mm

7, spectral bandwidth: 2nm

8, stray light: ≤ 3％t(at 360nm，with NaNO2)

9, transmittance range: 0.-100.0％(t)

10,transmittance accuracy: ±0.5％(t)

11,transmittance repeatability: ≤0.2％(t)

12,absorbance display: -0.172-2(A)

13,the way of printer’s output: thermal printer

14,stability: noise: ≤0.5％(t)/3min

             Dark current drift: ≤0.2%(t)/3min

             Light current drift: ≤0.5%(t)/3min

15,dimension: 456mm×375mm×220mm(W×D×H)

16,power supply voltage: AC220V±22V;frequency 50Hz±1Hz(supply voltage for foreign trade can be customized according to customer’s needs)