Corrigendum
With reference to above tender the following specification has been revised
Ref. Tender No. BIT/PUR/LTE/CME/26-27/IC000033/2026
Instrument Name: Electrochemical Impedance Spectroscopy (EIS) and accessories.
ANNEXURE
Specification for Bi-potentiostat / Galvanostat (Electrochemical Analyzer/Workstation) with Accessories.
System Specification
- 2, 3 and 4 electrode configurations
- Maximum potential: ± 10 V or better
- Applied potential accuracy: ±1 mV or better
- Maximum current: ± 200 mA or better
- Applied Current range: 5 nA to 200 mA or better
- Measured current range: 1pA to 200 mA or better
- Measured current resolution: 0.5 fA or better
- Applied Current resolution: 0.025% of applied current range or better
- Should have Bi-potentiostat mode
- Compliance voltage: ± 11 V or better
- Applied potential noise: < 10 μV rms or better
- Impedance frequency range: 10uHz to 3MHz or better
- Impedance amplitude: 10µV to 0.6 V rms or better
- Potentiostat rise time: < 1 μs (@ maximum current 200mA or higher)
- Reference electrode input impedance: ≥ 1 Tera Ohm
- Reference electrode input bias current: 10 pA or better
- Reference electrode input bandwidth: 10 MHz
- Scan Rate: 10uV to 9,000 V/s or better in both the channel
Techniques
General Techniques
- Cyclic Voltammetry (CV) with simulation/fitting programs
- Linear Sweep Voltammetry (LSV) with stripping
- Bulk Electrolysis with Coulometry (BE)
- Chrono Amperometry (CA)
- Chrono Coulometry (CC)
- Chronopotentiometry with Current Ramp (CPCR)
- Potentiometric Stripping Analysis (PSA)
- Auxiliary Signal Measurement Channel
- RDE control (0-10V output)
- IR Compensation
- Full version of CV simulator
Corrosion
- Tafel Plot (TAFEL), potentiodynamic deactivation, pitting corrosion, corrosion rate, linear Polarisation, Corrosion current etc.
Fuel cell
- Multi-Potential Steps (STEP)
- Multi-Current Steps (ISTEP)
Impedance
- AC Impedance (IMP) 10uHz to 3MHz
- Impedance – Time (IMPT)
- Impedance – Potential (IMPE) (Mott-Scottsky)
- Impedance Simulator with fitting
- Open Circuit Potential – Time (OCPT)
Battery Charge/Discharge
- Galvanostatic Charge discharge single/multiple cycle -Chrono Potentiometry (CP) with potential limits, polarity by potential or time, no. of cycles etc
- Voltage vs current density curves.
Insitu spectroelectrochemical study (optional)
Transmission mode for ITO plates or Pt grid, Reflection mode for Pt/GC electrodes & Dip probe for Colorimetrically generated species.
Photovoltaic studies
Software provision for measurement of I-V measurements, I max, Pmax, Fill factor etc.
Additional Requirement: The PicoAmp booster and faraday cage allow current measurements down to 1 pA. Usage is fully automatic and compatible with the instrument.
Electrochemical Cell System & Accessories
- Gastight Cell (50ml) with Teflon cap with supporting stand- 02 Nos.
- Platinum Working Electrode – 02 Nos.
- Ag/AgCL Reference (Vycor frit) (aqueous) – 02 Nos.
- Platinum mesh Counter Electrode (10x10mm) – 02 Nos.
Software: Licensed and full version of software for all the functions and procedures mentioned above. Upgradation of software: Digisim Simulation software will be provided. Up-gradation of software should be made as and whenever required.
Licensed & Full version of software for Electrochemistry
Software Features:
32/64-bit Windows-based software, Multi-document interface Open, save, delete, list, conversion, and print files Run, macro, iR compensation, filtering, preconditioning, step functions, and cell control Data plot, overlay and parallel plots, Graphics options, color and font selections Smoothing, derivatives, integration, semi-derivative and semi-integral, interpolation,
baseline fitting; subtraction, linear baseline correction, data point removing, data point modification, background subtraction, signal averaging, mathematical operation, Fourier spectrum Calibration curve, standard addition, data file report, concentration – time dependence report and plot. Digital simulation, user defined mechanisms Data information, data listing, equations, clock, toolbar, status bar Context sensitive help Purge, knock, stir controls for mercury electrode Maximum data length: 128K-8192K selectable.
Computer
Computer with Intel core i5 processor (14th gen) 14401E 24M Cache, up to 4.70 GHz, 16GB RAM, 512 GB SSD, 27’’ LED Monitor (DELL) 68.58cm QHD Monitor, 144Hz, Warranty 3 Years, TÜV Rheinland 4-Star Eye Comfort , Keyboard & Mouse. (assembled) Windows 10 or above.
Package Content: Electrochemical Workstation with Bi-Potentiostat/Galvanostat with Windows Based Acquisition Software, Power supply 220V/50Hz, Interface Cable (Serial / USB), Cell cable, Manuals & Installation alongwith accessories for EIS measurements.
Warranty: 1 Year combined with 1-year Annual Maintenance Charge (AMC) FREE.