Libra S70. Stand alone European Pharmacopoeia compliant scanning UV/Visible spectrophotometer with Colour Touchscreen and USB interface for data/method storage. Double beam optical configuration

Specification	Data
Type	UV/Vis
Wavelength Range	190 - 1100nm
Wavelength Accuracy (+/-)	± 0.3nm across wavelength range
Wavelength Reproducibility (+/-)	± 0.1nm
Lamp Source	Deuterium/Tungsten
Beam	Double Beam
Optical System	Czerny-Turner Monochromator
Bandwidth	1nm
Detector	Dual Solid State Silicon photodiode
Photometric Range	-4.000A to 4.000A
Stray Light	<0.025%T at 220nm (NaI), <0.025%T at 340nm (NaNO2), <1%T at 198nm & 200nm (KCl)
Zero Stability	± 0.0003 A/hr at 500nm in precision mode
Baseline Flatness	± 0.001A 220 to 900nm
Measurement Type	Fixed Wavelength, Abs/%T, Abs ratio, Abs difference, concentration (standard curve), concentration (factor), multiwavelength, kinetics, Life Science Methods, user log-on, Equation editor
Cell Compatibility	Cuvette, Microcell*, Variable Pathlength Cell*
Other Sample Containers	Test Tube*
Cell Holder	Dual (sample and reference), 8 cell changer*, 5 position heated cell changer*, variable pathlength cell holder*
Accessory Options	Film holder*
Temperature Control	Temperature controlled cell changer*, Water Jacket*
Method Storage	Up to 90 on-board, unlimited via USB
Regulatory Compliance	European Pharmacopoeia, IQ/OQ*, 21CFR part 11*
Printer	Thermal built in*, External via Export*
Data Output	Store, Print*, USB Drive*, Export to PC, PC Control*
Display	Colour Touchscreen
Export/ Data Storage	Internal Memory, USB Drive*, Bluetooth*, USB cable to PC
Data Interface	USB
Languages	English, French, German, Spanish
Power Requirement	100-240V AC, 50/60Hz, 150VA
Weight	18Kg (39.7lb)
Dimensions (WxDxH)	535 x 440 x 335mm (21.3 x 18.1 x 13.2 inches)
Certification	CE
Noise	<0.002A peak to peak, 0.0005A RMS near 2A at 500nm. <0.00005A RMS at 0A at 500nm over 20 measurements
Photometric Accuracy	± 0.002A at 0.5A, ± 0.004A at 1A, ± 0.006A at 2A at 440nm, 456nm, 546.1nm, 590nm, 635nm ± 0.005A using 60mg/L K2Cr2O7
Photometric Reproducibility	± 0.002A at 1A
Scan Speed	>2400 nm/min
Spectral Scanning	Yes (up to 1100nm)

Designed for busy multi-user laboratories
The Biochrom Libra S70 model is s robustly designed to deliver reliable, low maintenance UV/Visible spectrophotometry in environments with multiple users in a regulated environment such as method development. Users can quickly and easily walk up to the instrument, set up a sample, select the appropriate measurement protocols and collect the results. Store data and methods onboard the instrument or use the convenient USB port that enables individual users to load personal methods and transport data. 21CFR Part 11 compliance via the optional Resolution software.

Easy to use
Colour touch screen user interface with menu driven software and simple intuitive icons is easy to both use and to learn. Results can be easly transported to a remote PC by memory stick for analysis later, or link to a PC directly with PVC software (included). Full PC control with Resolution software

Built in Software
Full suite of software applications provided as standard with real choice of data export methods. Trace Manager enables you to manipulate  data stored on the instrument or USB memory stick. Multi level user log on facility allows supervisors to restrict access to software functionality allowing secure methods to be set up.
Software Modules  Function
Single Wavelength Measurement  Fixed wavelength, Abs/%T, and Concentration (factor)
Wavelength
Scanning  Sample overlays, automatic feature detection and post run data manipulation
Concentration Standard Curve  Quantitation using calibration curves with multiple standards and a choice of curve fits
Kinetics  Serial (or parallel measurements with optional cell changer) including sample overlays and post run data manipulation
Life Science
Methods  DNA, RNA & Oligo concentration and purity measurement with optional wavelength scanning. CyDyeTM DNA quantitation. Tm calculation. Protein concentration by direct UV measurement or Bradford, Biuret, Lowry or BCA colorimetric methods
Equation Editor  Turn your instrument into a "custom application analyzer" by setting up stored methods including calculations based on measured sample data, for example: Absorbance difference and ratios.

Easy to Connect
Two USB ports are provided as standard. One is conveniently located by the user touchscreen to enable USB memory sticks (flash-drives) to be be used to both store data and methods in secure and ASCII formats. Particularly useful for laboratories wishing to clone methods between multiple instruments. The other USB port is on the side of the instrument is used for PC communication, control, software update and print via computer (PVC). All stand-alone Biochrom Libra instruments offer users a choice in export and print functionality with selection parameters stored as part of any method.

   Export to PC via USB cable (standard)
   Built in printer (optional)
   Export to a PC via Bluetooth (optional)
   Full PC control with Resolution Software (included)

Resolution PC Software
Supplied with the Biochrom Libra S70 Resolution PC software offers users extra flexibility on data collection and manipulation. Resolution has the power to work in the way you want and includes modules for fixed wavelength, wavelength scanning, kinetics and quantitation measurements plus a validation routine for checking instrument performance. Data export options include Microsoft Word and Excel� plus Adobe� PDF formats. Optional upgrade modules are also available including Resolution Life for Nucleic Acid and protein measurement and Resolution CFR for 21 CFR part 11 compliance.

Superb Optical Design
High energy throughput double beam optical system with fixed 1nm bandwidth gives users the flexibility and performance to measure demanding sample types whilst ensuring EP Compliance.

Cell Holders
The Biochrom Libra S70 is supplied with 10mm pathlength cell holders in sample and reference positions

Accessories
The sample compartment is designed for use with a wide range of accessories. All are designed to be easily changed by users with the minimum of tools. See Biochrom Libra Double Beam Accessories for a full list of optional accessories with order codes.