Eppendorf D30 BioPhotometer - Manual (Page 70)

Technical data
Eppendorf BioPhotometer
® D30
English (EN)
70
11.4 Photometric properties
11.5 Further technical parameters
Measuring principle Single beam absorption photometer with reference beam
Light source Xenon flash lamp
Monochromator Holographic aberration-corrected concave grating
Beam receiver CMOS photodiodes
Wavelengths 230 nm, 260 nm, 280 nm, 320 nm, 340 nm, 405 nm, 490 nm, 562 nm,
595 nm, 600 nm
Wavelength selection Method-dependent, freely selectable
Spectral bandwidth ≤ 4 nm
Systematic wavelength error ±1 nm
Random wavelength error ≤ 0.5 nm
Photometric measuring range 0 A to 3.0 A at 260 nm
Reading accuracy ΔA = 0.001
Random photometric error ≤ 0.002 at A = 0
≤ 0.005 (0.5 %) at A = 1
Systematic photometric error ±1 % at A = 1
Stray light component < 0.05 %
Cuvette material For measurements in the UV:
Quartz glass or UV transparent plastic (Eppendorf UVette, 220 nm to
1600 nm)
For measurements in the visible range:
Glass or plastic material
Overall cuvette height Min. 36 mm
Height of the light beam in
the cuvette 8.5 mm
Key pad 22 foil keys
6 foil keys as softkeys
Result output Absorbance, concentration, restricted scan (absorbance wavelength
spectrum)
Additional, method-dependent data (ratio, background absorbances)
Display VGA TFT display 5.7”
Operator guidance language English, French, Spanish, Italian, German
Interfaces USB master: for USB stick and thermal printer DPU-S445
USB slave for connecting to a PC
Serial interface RS 232: for thermal printer DPU-414
Connected devices must meet the safety requirements specified in IEC
60950-1.