Model | uniSPEC 4 | |
Wavelength range | nm | 190 to 1100 |
Bandwidth | nm | 1.8 |
Wavelength accuracy | nm | ±0.3 |
Wavelength repeatability | nm | ±0.2 |
Wavelength setting | Automatic | |
Photometric accuracy | %T | ±0.3 |
Photometric repeatability | %T | ±0.2 |
Photometric ranges | Abs | -0.3 to 3 Abs (absorption units) |
%T | 0 to 199.9% T (transmission) | |
C | 0 to 9999 C (concentration) | |
Photometric stability (at 500nm) | A/hour | ±0.002 |
Straylight | %T | ≤0.05 (at 220nm, 360nm) |
Measurement modes | Kinetics, scanning, quantitative analysis, multi-wavelength, DNA/protein analysis | |
Optical system | Single-beam; grating 1200 lines per mm; silicone photodiode detector | |
Scanning speed | nm/minute | 1 to 1000 |
Scanning interval increments | nm | 0.1, 0.2, 0.5, 1, 2, 5 |
Data storage memory | 200 calibration curves | |
Dimensions H x W x D | mm | 225 x 460 x 360 |
Weight | kg | 18 |
With software CD allowing complete control of the instrument from the user’s P.C., manual 4-position cell changer to hold 10mm pathlength cells and instruction manual. For 110V 60Hz or 220V 50Hz single phase supplies.