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TECHNICAL EVALUATION REPORT BY TECHNICAL COMMITTEE TENDER NO. : USM/IDB/P2/2010/V2 School Name of Equipment Quantity (ies) Estimated Price Bidder Code Make/Model/ Accessories : : : : Country Of Origin Delivery Period United States of America 10-12 weeks School Of Civil Engineering Electrochemical and Impedance Analyzer 1 RM152,000.00 Technical and Critical Characteristics to be taken into account by Evaluation Committee A. P2V2/12/18 Princeton Applied Research Model: VersaStat 4-400 ITEM ELECTROCHEMICAL AND IMPEDANCE ANALYZER Not comply with technical specifications. B. DESCRIPTION i. Lower compliance voltage of The tenderer is required to supply an electrochemical and impedance -± 12V, ± 30V required analyser capable of performing both qualitative and quantitative analyses of corrosion activities including corrosion of steel in concrete. C. P2V2/18/18 METROHMAUTOLAB AUT302N. FRA.v The 3 months Netherlands P2V2/17/18 Autolab The 2 months PGSTAT302N Netherlands with FRA Module AUY302N. FRA.v State whether the technical specification suits with requirement (conformity/deviation) D. 1. Modular Potentiostat/Galvanostat Should be a modular low noise Potentiostat/Galvanostat system capable of measuring or applying a maximum current of ± 1 A, with a compliance voltage of ± 30 V and to do iR compensation. Maximum output current: ± 2A. Maximum output voltage: ± 30 V. Potential range: ± 10V. Applied potential accuracy: ± 0.2 % of setting, ± 2 mV. Applied potential resolution: 150 µV or smaller. Measured potential resolution: 30 µV or smaller. Current range: 10nA to 1A in 9 ranges (1A, 100mA, 10mA, 1mA, 100µA, 10µA, 1µA, 100nA and 10 nA). Applied and measured current accuracy of 0.2% of current and 0.2% of current range. Applied current resolution: 0.03% of current range. Measured current resolution: 0.0003% of current range, (At current range of 10 nA, the measured current resolution should be 30 fA). Potential bandwidth: greater than 1 MHz. Potential risetime/falltime: not more than 250 ns Should have high speed/high stability potential modes. Input impedance electrometer: greater than 100 TΩ/ < 8 pF. Input bias current: less than 1 pA at 25°C. Electrometer bandwidths: greater than 4 MHz. Should have varied IR compensation capabilities with selectable range: 0Ω TDQ 147,000.00 147,000.00 TQ 118,000.00 118,000.00 TQ 117,500.00 117,500.00 ii. Higher risetime/falltime of 350 ns than 250 ns required ESSENTIAL FEATURES The instrument should be able to perform electrochemical analyses including DC-techniques, AC-voltammetry, impedance analyzer and iR- iii. Higher input bias current of compensation. 5 pA than 1 pA required. The instrument should primarily consist of high performance potentiostat/galvanostat, a frequency response analyser (FRA) module, Comply and the relevant softwares to enable electrochemical and impedance analyses be performed including corrosion of steel in concrete. The instrument should be suitable to be used for research work related to corrosion of steel in concrete, such as for determination of corrosion potential, ohmic resistance, polarization resistance, corrosion rate, AC Comply impedance measurement and other important corrosion parameters. TECHNICAL SPECIFICATIONS The electrochemical and impedance analyser should comply with the following technical specifications: Technical Committee Report Cost Per Unit Total (in the Compliance TQ/TDQ) (CIF) (CIF) TQ = Technically Qualified TDQ = Technically Disqualified Without Tax (RM) Without Tax (RM) – 2Ω at 1A range to 0Ω - 200Ω at 10 nA range, complete with current interrupt and positive feedback, with resolution of 0.025 % or better. Should have at least four electrode control. Should have front panel meter for monitoring potential and current. Should have analog output via BNC connector for potential and current. Should have control voltage input. Should have booster option. Should have optional analog integrator with time constant of 10 and 100ms, 1 and 10s. Should be provided with USB interface. Should have 16-bit A/D converter, complete with software to attain programmable gains of 1, 10 and 100. Should have at least 2 auxiliary input channels. Should have at least 16-bit, 4 channels D/A converter. Should have at least 48 digital I/O lines. 2. Frequency Response Analyser Frequency range: 10µHz to 1 MHz. Frequency resolution: 0.003 % or better. Input range: ± 5V. Signal types: 1 sine, 5 sine, 15 sine Should have E and I input channels from the potentiostat/galvanostat or X and Y external signals. Should have applied amplitude of 0.2 mV to 0.35 V (rms) (potentiostatic mode); 0.0002 to 0.35, steps of 0.0001 times applied current range (1) (galvanostatic mode). Supplied with the following data presentation: Nyquist, Bode, Admittance, Dielectric, Mott-Schottky. Supplied with the following data analysis techniques: Fit and Simulation, Find circle, Element substraction. 3. Electrochemical Techniques Software Should have user friendly ready-to-use methods. Each method should be able to be saved into a user-defined database. Should have easy to use graphical method editor. Convenient tools like repeat loops, parameter links and increments, predefined sets of values, drag and drop, and data analysis should be included in the method. Sampling and data acquisition settings should be able to be defined for each command. Data analysis should be allowed while the measurement is running. Tools like individual axis scaling, overlays, multiple Y axes, plot additions, zooming and rotation should be provided. Each plot should be able to be saved as an image file or directly pasted into a paper or a presentation file. Should have build-in electrochemical spreadsheet to generate new data and new plots. Data analysis should be able to be saved into a user-defined database. i) ii) Electroanalytical methods Sampled DC Voltammetry Normal Pulse, Differential Pulse and Differential Normal Pulse Voltammetry Square Wave Voltammetry AC Voltammetry Cyclic and Linear Sweep Voltammetry Staircase potentiostatic and galvanostatic voltammetry, scan rate : 1 uV/s to 200 V/s Cyclic Voltammetry with Linear sweep Stationary current voltammetry Current Integration method Hydrodynamic Linear Sweep Voltammetry Bi-potentiostatic measurement Recording of 2nd analog signal eg from EQCM or an pH electrode Possibility to measure with respect to the Open circuit Potential eg. Corrosion Possibility to show Tafel plots. iii) Chrono-methods Chrono-amperometry, coulometry and potentiometry Measurement rates up to 50kHz Maximum of 10 potential or current levels. Possibility to repeat the steps and save data. Specification of current, charge or potential limits. Automated recording of extra data points. Bi-potentiostatic measurements. Measurements at or with respect to OCP. Should have at least 3 pretreatment potentials. Electrochemical detection Used in HPLC and FIA. Pulsed amperometric detection DC-amperometry and differential pulse amperometry Potentiometric Stripping Analysis Chemical stripping and constant current stripping with measurement rates of 40kHz. Electrochemical Noise Measurement at open circuit of noise and potential iv) v) vi) vii) Steps and Sweeps A sequence of potential steps and linear sweeps can be programmed Max scan rate of 25V/s Max sampling rate of 10kHz. Max of 10 segments 4. FRA Software for Impedance Spectroscopy The software should have the following features: Frequency from 10µHz to 1MHz with a linear, logarithmic or square root distribution. Frequency scan dividable into subscans allowing the user to define different amplitudes. Single sine or super imposed multiscan (5 or 15) measurement. Measurement at, or with respect to open circuit potential. Oscilloscope or Frequency spectrum window to follow the applied and measured frequencies during the measurement. Able to do Hydrodynamic Impedance or Photo-Modulated Impedance measurement. Able to show Z” vs Z’ plots isotropically. Plots options : o Z’ vs Z’ o Y” vs Y’ o Bode plot o Z’ and Z’ vs f o Z’ and Z” vs ω or ω o Y”/ω w vs Y’/ω o Epsilon Plot o Z’ vs ωZ” o Z’ vs Z”/ ω For Potential, Current or time scans : o Z’ and Z” vs E, I or t o Y’ and Y” vs E, I or t o ωZ’ and ωZ” vs E, I or t o Mott-Schottky plot Data analysis for : o Find Circle, to analyse semi-circles in the Nyquist or Z’-Z” plot o Equivalent Circuit Fitting, based on the Circuit Description, possible elements : Resistance, capacitance, Inductance, Constant Phase Element, Warburg, Gerischer Impedance, Hyperbolic tangent and Hyperbolic co-tangent elements. o Kramers-Kronig test E. ESSENTIAL COMPONENTS & ACCESSORIES The electrochemical and impedance analyzer should comprise of the following essential components and accessories: A current booster module to increase the maximum current with the following specification: o Maximum compliance voltage: ± 20 V o Maximum applied voltage: ± 10 V o Maximum cell current: ± 10 A o Accuracy: ± 300 uA o System bandwidth: 10 kHz high speed o Operation mode: Potentiostatic and galvanostatic Ag/AgCl Reference Electrode with double junction Pt Rod Counter Electrode A personal computer preloaded with Windows XP or Vista or equivalent and Microsoft Office, with the following minimum specifications: o Intel Core 2 Quad 2.83GHZ (1333FSB / 12MBMB - Q9550) processor o Intel DG45 ID Original Motherboard o Operating system to be compatible with equipment o 4GB DDR2 800FSB RAM o 500GB SATA Harddisk Drive o At least 48 X DVD-RW Drive Support Double Layer o 17” Wide Screen Flat Panel LCD Monitor o 9500GT 512MB DDR3 Graphic Card o Microsoft Keyboard o Microsoft Optical Mouse F. Should be supplied with one inkjet colour printer (u p to 4800 x 1200 optimised dpi, up to 23 ppm, integrated memory, hi-speed USB port, A4 paper size and below). The equipment must be accompanied with all other necessary components, accessories and software/s needed to ensure successful and proper functioning of the system, and to ensure full functionality of the equipment for the user intended applications as highlighted earlier in the essential features. Should be provided with all necessary accessories for calibration checking. Should be provided with all relevant calibration charts (if any) in English. The tenderer shall be responsible for the installation; commissioning and test run of the equipment before final acceptance. All cost shall be borne by the tenderer. The tenderer shall provide on-site training on: o Fundamental and theory of corrosion electrochemistry. o Operation and use of the instrument. o Software familiarization. o Routine and preventive maintenance of the equipment. o Special training specific to the user intended applications of the system should be proposed and provided. STANDARD REQUIREMENTS AND INSTRUCTIONS The equipment supplied must be a brand new item with proper serial number to prove it and must not be a used or a reconditioned instrument. The equipment must be fully installed and made fully functioning. Maintenance, Service & Operating Manual and original Catalogue in English must be provided, at least 2 copies. The equipment supplied must be warranted against manufacturing defects for at least 12 months from the date of commissioning. Free preventive maintenance service 1 x 6 monthly during the warranty period The supplier has to give information regarding their servicing capabilities / after sales service for the equipment quoted. On–Site training must be provided for operation, maintenance and troubleshooting. Quotation that does not quote prices exclusive of tax will not be considered. All installation charges inclusive of electrical and builder’s works must be borne by the supplier. Service contract and software upgrading must be quoted separately. For all supplies, please offer the minimum required specifications or better versions. Recommendation of Award: 1) Name of Equipment : Electrochemical and Impedance Analyzer 2) Package No.: 2 – Analytical Equipment 3) Quantity (ies) : 1 4) Company Name : Advanced Altimas Sdn. Bhd. 5) Bidder Code : P2V2/17/18 6) Price (RM): 117,500.00 No. Name Position 1. Professor Dr. Hamidi Abdul Aziz Dean 2. Assoc. Prof. Dr Badorul Hisham Abu Bakar Deputy Dean 3. Assoc. Prof. Dr. Megat Azmi Megat Johari USM-IDB (MA0103) Central Committee 4. Assoc. Prof. Dr. Choong Kok Keong Programme Chairman 5. Mr. Zulkifly Hashim Assistant Engineer Signature of Technical Committee Members Date