Tenders are invited for Acquire Scientific Materials for the Benefit of the Higher Institute of Biotechnology of BéJa

Tenders are invited for Acquire Scientific Materials for the Benefit of the Higher Institute of Biotechnology of BéJa within the Framework of the Erasmus + Project (Biotechtunisia). 01 - Refrigerated Bench-Top Centrifuge - Qty 01 02 - Double Beam Uv-Visible Spectrophotometer - Qty 01 03 - Ultrasonic Homogenizer with Accessories - Qty 01 Refrigerated bench-top centrifuge: Minimum characteristics required: Capacity: 4 x 1000 ml minimum • Minimum number of 50 ml tubes: 40 • Minimum number of 15 ml tubes: 96 • Maximum speed: 4000 rpm at minimum • Acceleration gradient: 6 to minimum • Deceleration slope: 10 • Temperature Range (° C): Variable from –10 ° C to –40 ° C • Pre-cooling function: direct button control • Refrigeration circuit: Without CFC • Time range: 9:59 am; continued • Noise: <57dBA • Standards: IEC 61010-1, IEC 61010-2-020, 230 V only: EN 61326 • Certifications: UL Compliant, CE mark, biological safety certified, RoHS compliant, WEEE compliant • Drive system: Motor direct induction without carbon brushes • Unbalance detection system: Continuous vibration measurement, with correction of the mass of the rotor • Reading: a large screen with backlit display Delivered with : • Two rotors: 4 x Oscillating Bucket Rotor 1000 ml, ClickSeal lid (one containment cover biological), four adapters for 40 conical tubes of 50 ml, four adapters for 96 tubes 15 ml conicals, four adapter for 500 ml bottle, four adapters for 8 tubes 250 ml An angular aluminum rotor : capacity 30 x 2 ml, speed 15200 rpm, angle 45 ° • Bottles: Four Polypropylene Bottles from 1000 ml 3 x Bag of 25 Conical tube 50 ml 2 x Bag of 50 Conical tube 15 ml 5 x Bag of Tubes 2 ml (500 rooms) • System of change of the two Auto-Lock rapid rotors, single push of a button • Guarantee: at least 2 years for the device and five years for the rotor Training A training of at least one day in the premises of the user, when switching on and proper operation of the machine is obligatory. • The original technical documentation (prospectus and brochures) relating to the proposed offer is mandatory. Dual-beam UV-Visible spectrophotometer: Minimum characteristics required: • Double beam spectrophotometer with very stable optics • Integrated user interface • Meets the requirements of European Pharmacopoeia • Measurement modes: photometry, concentration, wavelengths multiples, spectrum scanning, kinetics, quantification, DNA / RNA and protein analysis. • Wavelength range: 190 to 1100 nm • Wavelength resolution: 0.1 nm • Wavelength precision: ± 0.3 nm (at 0.5 and 1 nm bandwidth); ± 0.5 nm (at 2, 4 and 5 nm band passerby) • Wavelength reproducibility : ± 0.2 nm • Spectral bandwidth: Variable 0.5, 1, 2, 4, 5 nm • Photometric range: - 0.3 to 3.0A 0 to 200% T • Photometric accuracy: ± 0.002A (0- 0.5A); ± 0.3% T (0-100% T) • Photometric reproducibility: ± 0.001 Abs (0 to 0.5 Abs); ± 0.002 Abs (0.5 to 1.0 Abs); 0.15% T (0- 100% T) • Resolution: 0.1% T, 0.001A • Stray light: <0.05% T at 220 and 360 nm • Noise: 0.0005A • Stability: ± 0.001 A / h at 500 nm after 15 min of preheating • Multi-wavelength: up to 10 wavelengths, up to 20 lengths waveform with PC software • Calculations: Ratio, difference, formulas with factors • Analysis interval: 0.1, 0.2, 0.5, 1, 2 or 5 nm • An analysis: Peaks and valleys automatic, zoom, addition, subtraction, peak ratios, smoothing, wavelength table, derivatives, overlay with PC software • Kinetics: Up to 12 hours with time intervals of 0.1, 0.2, 0.5, 1, 2, 5, 10 or 30 seconds • Quantization points: Up to 3 wavelengths • Quantization calibration: Blank with up to 10 standards or factor • Concentration range: 0- 99999 • Calibration: White with standards or postman • DNA RNA and protein: Ratio DNA / RNA, concentration, correction A320 • Light source: Tungsten lamps halogen and deuterium • Lamp change: Table of selection from 325 to 370 nm • Outputs: USB • Operating system: Windows 2000, XP, Vista, Windows 7 • PC software included as standard Delivered with : • A single 10 x10 cuvette holder mm in sample and reference position • Instruction manual • Power cables • PC software on CD-ROM with cable USB and nail connection • 4 GB USB stick • 2 x quartz cuvettes, 4 x quartz cuvettes glass and dust cover, 230V power supply • Guarantee: 1 year minimum Training A training of at least one day at the users premises, is the start-up and the good machine operation is obligatory • The original technical documentation (prospectus and brochures) relating to the proposed offer is mandatory Ultrasonic homogenizer with accessories: Minimum characteristics required: • Treated volume: 0.5 - 500 ml • Power: 500 watts to minimum • Programmable: from 1 second to 10 hours • Overload protection • Pulse mode: from 1 second to 59 seconds • Energy display on screen: in watts and joules • Operating frequency: 20 kHz • Dimensions (generator): 203 x 387 x 216 mm (L x W x H) • LCD display with display the following parameters: Selected amplitude Output power delivered to the probe in watts and in the form of percentage of total power Duration of the treatment selected Actual processing time Time elapsed Adjustment and display of Temperature Pulse duration Energy accumulated in joules delivered to the probe • Key from 0 to 9 to enter the figures • Includes: a generator, a converter, one 13 mm probe (1/2 ”) for the treatment of samples with volumes of 10 to 250 ml, cables, wrench set, manual Comes with Accessories: • Micro-tip probe: diameter the 3 mm (1/8 ") bit for the treatment of volumes ranging from 0.5 to 15 ml • Micro-tip probe: diameter 6 mm (1/4 ") bit for the treatment of volumes ranging from 5 to 50 ml • Probe: diameter of the tip 19 mm (1/4 ”) for processing volumes ranging from 25 to 500 ml • Soundproof enclosure: external dimension: 343 x 775 x 330 mm (LxWxH), includes a Rod support and mounting system of the internal converter • Guarantee: 2 years minimum Training A training of at least one day at the users premises, when switching on and the correct machine operation is obligatory. The deadline for receipt of tenders is set for 01/17/2022 at 10 a.m. On this date, the online procedure will be closed and no offer can be accepted. [Disclaimer: The above text is machine translated. For accurate information kindly refer the original document.]