Laboratory Instruments
　

SP-3000 UV-VIS Spectrophotometer
　

Operating Mode
　
  • Fixed wavelength Mode
    1.Measurement at a user-selected fixed wavelength.
    2.Quantitation using the K-factor method
    3.Photometric mode: Choice of %T and Abs.
  • Survey scan Mode
    1.Automatic Peak and Valley Pick.
    2.Addition and Subtraction
    3.Spectrum Overlay
    4.Zoom.
    5.Trace.
    6.Spectral storage
  • Standard Mode
    1. 1st ~ 4th derivative methods.
    2. Automatic concentration calculation by K-factor, single-point calibration curve.
    3.Curve fitting and editing.
    4.Method Storage
  • Kinetics Mode
    1.Reaction rate calculation and recalculation.
    2.Tabulation of results
    3.Export of time-course data via RS-232C port
  • Multicomponent Mode
    1.Up to 8 components can be simultaneously quantitated.
    2.Arithmetic calculation between a value.
    3.Up to 8cell and Multiwavelengths combination.
  • DNA/Protein Mode
    1.260/280nm, 280/260nm ratio or two user selected wavelengths
    2.Correct background at 320nm
　

Specifications
　

Wavelength Range

190 ~ 1100nm
　

Spectral Bandwidth

1nm
　

Wavelength Display

Readable to 0.1nm
　

Wavelength Accuracy

‐0.2nm (with automatic wavelength correction)
　

Data Bunching Interval

0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0 and 2.0nm
　

Wavelength Reproducibility

‐0.1nm
　

Stray Light

Less than 0.05% (at 220nm and 340nm)
　

Photometric Range

Absorbance : -0.3 ~ 4Abs
　

Photometric System

Split-beam optics, Dual detectors
　

Photometric Accuracy

‐0.002Abs. at 0.5Abs. ‐0.005Abs. at 1Abs.
　

Photometric Reproducibility

‐0.002Abs. at 1.0Abs.
　

Baseline Flatness

‐0.001Abs (2nm bandwidth, middle scanning, 1100 ~ 200nm)
　

Baseline Correction

Automatic
　

Wavelength Slew Rate

About 4000nm/min
　

Light Source

50W halogen lamp (1000 hrs life) and D2 lamp (2000 hrs life)
　

Monochromator

An aberration reduced holographic concave grating using 1200L/mm
　

Auto Zero Function

By a single stroke of AUTO ZERO key
　

Display Graphic

LCD 6", adjustable viewing angle and contrast control
　

Sample Compartment

Automatic rotative 8 position cell holder
　

Interface Ports

RS-232C and Centronics ports
　

Power Requirements

85~260V~, 50/60Hz, Selected automatically
　

Dimensions

550(W) X 240(H) X 400(D)mm
　

Weight

25kg
　

Optional Accessories
　

Number

Description.

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30001

Printer
　

30002

Film Holder
　

30003

Flow-thru Cell System
　

30004

Temperature Control Module
　

30005

Standard Quartz Cell
　

30006

500 Micro Quartz Cell
　

30007

1000 Micro Quartz Cell
　

Continuing research and improvements may result in specifications change at any time.