Used Good BIOCHROM S21 Libra

This instrument appears in good condition. It has no physical damage, the display is bright and the installed software (6091 ver. 1.1) appears to be working as it should. The lamp output energy is over 70% and instrument has a total hour count of 788 hours. No software or accessories are included other than that installed on the instrument. A manual is available at no charge from the manufacturer.

•Press to read (PTR) xenon lamp technology
•Reference beam compensation (RBC)
•Instrument performance validation (IPV) facility
•8-position sample charger as standard
•Rapid system operation


Wavelength range: 190 - 1100nm

Wavelength Accuracy: ± 1nm

Wavelength Reproducibility: ± 0.5nm

Spectral Scanning: Yes (up to 900nm)

Light Source: Xenon

Optical system: Reference Beam Compensation

Bandwidth: < 3 nm

Detector: Dual Solid State Silicon photodiode

Photometric Range: -3.000 -> 3.000A, -9999 -> 9999 conc. units, 0.1-> 200%T

Photometric accuracy: +/- 0.5% or +/-0.003A to 3A at 546nm

Photometric reproducibility: 0.5% of absorbance value

Stray Light: <0.05%T at 340nm

Zero Stability: ± 0.002A/h at 0A after warm up

Measurement Type: Fixed Wavelength, Abs/%T, Abs ratio, Abs difference, concentration (standard curve), concentration (factor), multiwave length, kinetics, Life Science Methods, cell density

Cuvette holder: Built in 8 cell changer, 4 position cell changer*, 6 and 8 position heated cell changers*, single cell holder*

Accessories: Flow cell*, Sipper (included)*, Cylindrical Cell holder*, Autosampler capability*

Temperature Control: