Category: Spectroscopy | Subcategory: Spectrophotometer
Eppendorf BioPhotometer Plus
ITEM: 28263
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Features of the Eppendorf BioPhotometer Plus include:
- Bandwidth:5 nm at 230–340 nm, 7 nm at 405–650 nm
- Light Source: Xenon flash lamp
- Power Requirements: Approx. 20 W in operation, approx. 10 W in Standby mode
- Weight: 3 kg
- Optical system: Absorption single beam photometer with reference beam
- Light beam height: 8.5 mm
- Measuring wavelengths:230, 260, 280, 340, 405, 490, 550, 595, 650 nm
- Wavelength systematic error: ±1 nm at 230–280 nm, ±2 nm at 340–650 nm
- Photometric measuring range: 0 to 3 A (2 A at 340 nm); Dye Methods: 2 A at 550 nm/650 nm
- Photometric random error: ±0.002 A at 0 A; ±0.005 A at 1 A
- Photometric systematic error: ±1 % at 1 A
- Method dependent calculation:
- Absorbance
- Concentration via factor
- Concentration via calibration with 1 to 10 standards
- One-point calibration (1 standard)
- Linear regression (2 to 10 standards)
- Nonlinear regression (3rd degree polynom; 4 or 5 to 10 standards),
1 x, 2 x or 3 x determination
- Ratio 260/280, ratio 260/230, molar concentration, total yield
- For dye methods: FOI (frequency of incorporation)
- Calibration memory: For all calibration procedures
- Results memory: For 100 results with absorbance and ratio values, sample number, sample dilution, date and time
- Interface: RS232C, serial, PC connection optional
- Power supply:100–240 V, ±10 % 50–60 Hz, ±5 %
- Accessories: Thermal printer DPU 414, 40 characters/line; Secondary UVVIS filter set for verifying photometric and wavelength accuracy (NIST traceable)
- Cuvettes: UVette, Hellma TrayCell, and common rectangular cuvettes of suitable glass or plastic materials
- Dimensions (W x H x D):20 x 10 x 32 cm