Compact Potentiostat and Galvanostat
with integrated EISAutolab IMP

Affordable electrochemical impedance analyzer

Item number: 3500003360

The Metrohm Autolab IMP is a potentiostat/galvanostat with EIS (Electrochemical Impedance Spectroscopy) capability. Offering a cost-effective EIS solution with a small footprint. In combination with the powerful NOVA software and the FRA32M module it can be used for DC as well as AC electrochemical techniques. The Autolab IMP is an affordable potentiostat/galvanostat without compromising on quality and specifications, making it an ideal instrument for teaching as well as basic electrochemistry research. Analog and digital in- and outputs for interfacing and controlling Autolab accessories and third-party external devices are available.

EIS frequency range: from 10 µHz up to 1 MHz
Compliance voltage: ± 10 V
Maximum applied/measured current: ± 100 mA
Analog integrator is included
Compact and lightweight

Features

Autolab IMP is controlled by the powerful NOVA software, including a dedicated “EC Fundamentals” procedures library, making the electrochemistry educational process even easier. The Analog and digital inputs/outputs are available to control Autolab accessories and external devices.

Hardware specifications

Specifications
Compliance voltage	± 10 V
Maximum applied/measured potential	± 10 V
Maximum applied/measured current	± 100 mA
Current ranges	100 mA to 10 nA , in 7 current ranges
EIS / Maximum frequency	1 MHz
Input impedance of elctrometer	> 100 GO
Current resolution	0,0003% of the current range (30 fA in the 10 nA current range
Bandwidth of electrometer	> 4 MHz

Detailed specifications can be found in this specification sheet

Key features include:

Autolab IMP: professional specs for education and basic electrochemistry research

The Autolab IMP is a compact potentiostat/galvanostat with included EIS functionality. The overall specifications of the Autolab IMP (±10 V compliance/measured/applied voltage, ±100 mA measured/applied current, 10 μHz to 1 MHz EIS frequency range and included analog integrator) make it the ideal instrument for any educational lab, as well as for starting any electrochemistry projects.

NOVA software and Software Development Kit (SDK)

Explore NOVA software for Metrohm Autolab IMP potentiostat. Powerful data acquisition and analysis, intuitive interface with 60+ electrochemistry procedures and drag-and-drop experiment procedure builder, and SDK for external control (as LabVIEW, Visual Basic for Applications (VBA), scripting etc).

External device hyphenation

Gain new insights with hyphenation: UV-VIS, EC-Raman, XRD, FTIR, SECM, EQCM, DEMS and more. Connect your Autolab instrument and synchronize the electrochemical signal with any external device which best fits your application requirements

Wide range of accessories

Software

NOVA Software: Advanced Control and Data Analysis for Autolab IMP Potentiostat

Library of ready-to-use procedures: brings efficiency in any lab with nearly 60 customizable procedures available and a dedicated EC Fundamentals Library with 11 fundamental procedures.
Comprehensive set of electrochemical measurement techniques and data analysis tools: Including but not limited to the following (expandable drop-down menu -> refer to the list on the right).

Cyclic and linear sweep voltammetry

Impedance spectroscopy

Chrono methods

Voltametric analysis

Tools and controls

NOVA Software Development Kit (SDK) designed to control Autolab potentiostat from external applications such as LabVIEW, Visual Basic for Applications (VBA), scripting etc. With the Autolab SDK the external application can be used to measure complete procedures or control individual Autolab modules.
Easily control third-party external devices such as electronic loads or power supplies. Easy hyphenation with other analytical methods to gain a more comprehensive understanding of electrochemical processes e.g. UV-VIS spectroscopy, Raman spectroscopy, SECM, EQCM and more.

Discover NOVA

FRA32M module

FRA32M Module

The widely popular EIS technique is included in the Autolab IMP potentiostat which allows you to measure highly accurate data for next level insights. NOVA software comes with EIS data fit and simulation and nearly 40 predefined and customizable equivalent circuits for easy EIS analysis.

Module	Description	IMP
FRA32M	Electrochemical impedance spectroscopy (EIS)	*

Detailed description of different modules

Electrochemical impedance
spectroscopy (EIS)
(FRA32M)

High-accuracy EIS module with a wide frequency range (10 μHz to 1 MHz)

Automatic Amplitude Correction algorithm (AAC) for maximized resolution and accurate measurements
Access to the raw signals (time-domain and Lissajous plots) and Kramers–Kronig tests to assess the quality of the results
Complete EIS data fit and simulation

New materials

Battery

Supercaps

Fuel cells

New materials

Sensors

Corrosion

Plating

Fundamental

Electrochemical Impedance Spectroscopy
Maximum Frequency with PGSTAT	1 MHz
Minimum Frequency	10 μHz
Maximum generated frequency	32 MHz
AC amplitude - Potentiostatic	0.2 mV to 0.35 V (RMS) with 0.025 mV step (RMS)
AC amplitude - Galvanostatic	0.0002 to 0.35 times used current range (with 0.000025 times used current range steps)
Input range	±10 V
Frequency resolution	0.44 μHz
ADC resolution	14-bit
AC resolution	1.3 μV
DC resolution	0.3 mV (3 μV with PGSTAT)
Output impedance of Sine generator	50 Ω
Input channels	E and I from the PGSTAT (internal) X and Y on the front panel (external)
Data presentation	Nyquist, Bode, Admittance, Mott-Schottky, AC vs time, Lissajous
Data analysis	Fit and simulation, Find circle, Kramers-Kronig test

Accessories

Hydrodynamic measurements		Metrohm Autolab Rotating Disk Electrode (RDE) complete setup Compatible with 3 mm and 5 mm diameter disk electrodes, ideal for advanced electrochemical research with measurements under controlled hydrodynamic conditions Wide rotation speed range: 100 – 10000 rpm with 1 rpm resolution, manual or software integrated control Ultra clean and ultra-low noise achieved with frictionless liquid (Hg) contact ensuring pristine signal quality for sensitive experiments Seamlessly integrates with Metrohm cell vessels and other standard electrochemical cells. Complete setup includes: Motor controller, rotator, rotating disk electrode, and connection cable for integration with Autolab potentiostats
Hydrodynamic measurements		Metrohm Autolab Rotating Cylinder Electrode (RCE) complete setup Essential tool for accurate corrosion rate determination, inhibitor efficiency testing, and comprehensive flow regime studies in various industries Corrosion measurements for pipe flow conditions allowing rigorous flow-accelerated corrosion (FAC) studies and hydrodynamic electrochemical analysis Highest rotation rate (up to 5000 rpm) combined with the 12 mm outer diameter cylinder electrode enables the simulation of the widest array of pipe flow conditions in your lab achieving simulated flow rates 50% higher than other commercial RCEs Ultra clean and ultra-low noise achieved with frictionless liquid (Hg) contact ensuring pristine signal quality for sensitive experiments Complete setup includes: Motor controller, rotator, rotating cylinder electrode, and connection cable for integration with Autolab potentiostats
Photoelectrochemistry and photovoltaics		Metrohm Autolab Optical Bench Specially designed for investigating the electrochemical behavior of photovoltaic cells, e.g., dye-sensitized solar cells (DSSCs), and for any other photo-electrochemical measurements Focused LED light source provides consistent and targeted illumination of the sample Software-programmable LED driver allows you to accurately control the light source output with both DC and AC light modulation, supporting a wide range of experimental conditions and ensuring reproducibility Direct setting and control in light intensity units when using a calibrated photodiode for the light calibration Over 10 exchangeable LED covers available, allowing easy adaptation to different wavelength requirements Fits in the large Autolab Faraday cage
Temperature controlled cell setup		Metrohm Autolab Microcell HC Precision temperature control for electrochemical experiments, delivering reliable and reproducible data for temperature-sensitive applications. Specially designed cell stand with a range of air-tight electrochemical cells for different applications Manual or software-controlled heating and cooling of the measuring cells by using a Peltier element with hassle-free cell connections to the potentiostat, streamlining your workflow and maximizing efficiency
Localized electrochemical measurements (SECM)		Sensolytics Scanning Electrochemical Microscope (SECM) Metrohm Autolab potentiostats hyphenated with Sensolytics SECM instruments enables localized measurements for monitoring the electrochemical activity of a sample surface in corrosion, batteries, electrocatalysis, biosensors, and other applications Integrated control of the Metrohm Autolab potentiostat within the Sensolytics software Compact and customizable system, upgradeable at any time Supports a wide range of techniques: Scanning Droplet Cell (SDC), Scanning Electrochemical Microscopy (SECM), Scanning Electrochemical Cell Microscopy (SECCM) with capillary-based techniques, high-resolution SECM with nanoelectrodes and constant-distance mode SECM (Option Shearforce) are available Advanced features such as software-based tilt compensation, AC-SECM, multidimensional techniques (EC methods at each grid point), localized photoelectrochemical methods
Multimode electrode with Hg-drop capability		Metrohm Autolab 663 VA Stand Essential accessory for optimizing polarographic and voltammetric measurements from fundamental to specialized electroanalytical and trace analysis. Compatible with a wide range of electrodes such as the Hg-drop electrode (i.e., MME pro), rotating disk electrodes, and scTRACE Gold electrodes Software-controlled, seamlessly integrated with any Autolab workstation Complete setup includes: Multi-Mode electrode pro (MME), the Ag/AgCl reference electrode and a Glassy carbon auxiliary electrode for an adaptable and high-precision measurements with purge and stirring control
Dynamic load interface		Metrohm Autolab Dynamic load interface Enable high power applications by connecting and controlling third-party programable electronic loads and power supplies Full control through NOVA software, allowing convenient adjustment of applied current, voltage, and other experimental parameters Perform either DC or AC (EIS) measurements at high currents creating limitless possibilities in the field of energy storage and energy generation research
Voltage multiplier		Metrohm Autolab Voltage Multiplier Expand the voltage range up to 100 V or to the compliance limit of your potentiostat by connecting the Voltage Multiplier to your Metrohm Autolab potentiostat display the real measured values by using the “calculate signal” functionality in NOVA software Perform either DC or AC (EIS) measurements at high voltages creating limitless possibilities in the field of energy storage and energy generation research; combination with the dynamic load interface is possible.
Faraday cage		Autolab Faraday Cage Provides optimal electromagnetic interference (EMI) shielding for sensitive electrochemical experiments, especially when measuring small signals Effectively blocks unwanted interference signals, ensuring the integrity of your experimental results With earth terminal inside the cage for easy and direct grounding to your Autolab potentiostat Spacious design for corrosion cells, Autolab R(R)DE rotator, Autolab Optical bench to fit inside the large Faraday cage Available in 2 different sizes : (WxDxH) 38x21x38 cm³ or 38x30x60 cm³
General purpose electrochemical cells		General purpose electrochemical cells Suitable for 2-, 3- or 4-electrode configurations Exchangeable borosilicate glass cell vessels, available in a wide range of volumes from 5 mL to 400 mL Cell vessels available with thermostatic jacket Fit up to 5 electrodes or accessories (e.g., thermometer, gas inlet, pH sensor etc.), directly in the standard lid (standard 14/15 conical joint size) Corrosion resistant support stand with rod for cell stability and adjustable height Direct fitting of the Autolab R(R)DE and RCE into the lid Fits in the large Autolab faraday cage
Corrosion Cells		Metrohm Autolab 1L corrosion cell ASTM-compliant corrosion cell: thermostable, 1L electrolyte volume, 1 cm² exposed sample surface area PEEK sample holder with gold-coated contacts, suitable for corrosion samples with a diameter ranging from 14.7 mm to 16 mm and thickness from 0.5 mm up to 4 mm. Thermostatic jacket for temperature control and a series of openings for electrodes and other accessories Fits in the large Autolab Faraday cage Complete setup includes: a sample holder, counter and reference electrodes, thermometer, gas inlet and Luggin-Haber capillary
		Metrohm Autolab 400 mL corrosion cellMetrohm Autolab 400 mL corrosion cellMetrohm Autolab 400 mL corrosion cell Specially designed corrosion cell: thermostable, 400 mL electrolyte volume, 0.785 cm² exposed sample surface area Sample holder with gold coated contacts is made of Polyoxymethylene (POM) with a Viton seal and is designed to measure the corrosion properties of 14 mm diameter and 1 to 4 mm thick flat circular samples immersed in the electrolyte Thermostatic jacket for temperature control and a series of openings for electrodes and other accessories Fits in the large Autolab Faraday cage Complete setup includes: a sample holder, counter and reference electrodes, thermometer, gas inlet and Luggin-Haber capillary
		Metrohm Autolab 250 mL corrosion cell Specially designed corrosion cell: thermostable, 250 mL electrolyte volume, 1 cm² exposed sample surface area PEEK sample holder with gold coated contacts, suitable for corrosion samples with a diameter ranging from 14.7 mm to 16 mm and thickness from 0.5 mm up to 4 mm. Samples and sample holder compatible with the ASTM compliant 1L corrosion cell Fits in the large Autolab Faraday cage Complete setup includes: a sample holder, counter and reference electrodes, thermometer and gas inlet, corrosion resistant support with rod
		Metrohm Autolab Flat Platform cell for corrosion Specialized corrosion cell for large, flat samples: 50 mL electrolyte volume, 17 cm² exposed sample surface area PVC Sample platform with Viton O-ring seal, with direct sample contact through standard 4 mm banana plugs Fits in the Autolab Faraday cages Complete setup includes: a PVC platform, counter and reference electrodes, gas inlet
		Metrohm Autolab Flat cell for corrosion Specialized corrosion cell for flat samples with 5-7 cm diameter: 50 mL electrolyte volume, 17 cm² exposed sample surface area PVC Sample and cell holder with direct sample contact through standard 4 mm banana plugs Fits in the Autolab Faraday cages Complete setup includes: a PVC holder, counter and reference electrodes, gas inlet
RRDE cell		Metrohm Autolab RRDE cell for electrocatalysis Complete electrochemical cell designed for forced convection (hydrodynamic) experiments using the Metrohm Autolab RDE rotators All parts in contact with the electrolyte are removable and resistant to aggressive cleaning procedures, making the cell suitable for typical electrocatalysis experiments or sensitive interfacial electrochemistry measurements Fits in the large Autolab Faraday cage Complete cell includes: a glass vessel (300 mL) fitted with a thermostatic jacket for temperature control, lid with 7 standard 14/15 conical holes, counter and reference electrode, thermometer, and gas inlet
Cells for Screen Printed Electrodes (SPE)		Metrohm DropSens cells for Screen Printed Electrodes (SPE) Electrochemical cells compatible with the Metrohm Dropsens Screen Printed Electrodes (SPE) Available for any type of SPEs and any applications, for measurements done in static or flow conditions Smart design, low volume, accurate and convenient to use
Working electrodes		Metrohm Autolab 3 mm disk electrodes Electrode tips with 3 mm active material disk in a PEEK shaft for the best chemical compatibility Available with different disk materials such as: Platinum (Pt), Gold (Au), Glassy Carbon (GC), Silver (Ag) Directly compatible with the Autolab RDE and RRDE rotators for hydrodynamic measurements (as rotating disk electrodes) Conveniently used in static conditions with a pin connector (M4) and a Metrohm electrode shaft with integrated 4 mm banana connector
		Metrohm Autolab 5 mm disk electrodes Electrode tips with 5 mm active material disk and a PEEK shaft for the best chemical compatibility Available with different disk materials such as: Platinum (Pt), Gold (Au), Glassy Carbon (GC), Silver (Ag) and other metals. A blank shaft is also available which can be filled with your own material Directly compatible with the Autolab RDE and RRDE rotators (only for Pt, GC and Au) for hydrodynamic measurements (as rotating disk electrodes) Conveniently used in static conditions with a pin connector (M4) and a Metrohm electrode shaft with integrated 4 mm banana connector
		Metrohm Autolab Cylinder electrode Cylindrical electrode (8 mm high, 12 mm OD), easily mounted without tools into a PEEK holder and sealed with two Viton washers to prevent electrolyte leakage Enables simulation of a wide range of realistic pipe flow conditions directly in the lab Carbon Steel (1018) and Stainless Steel (304) samples are available. Technical drawings are provided, allowing you to produce and use your own cylindrical inserts for inhibitor efficiency testing and comprehensive flow regime studies Directly compatible with the Autolab RDE rotator for hydrodynamic experiments Conveniently used in static conditions with a pin connector (M4) and an electrode shaft with integrated 4 mm banana connector
		Microelectrodes Comprehensive range of microelectrodes for exploring fundamental electrochemical principles, developing novel sensors, or investigating complex biological systems Exceptional sensitivity, reduced Ohmic drop, enhanced mass transport, minimal sample volume, suitable for a broad range of electrochemical techniques Available in a wide range of materials (e.g., Pt, Au, Ag, Ir) and disk diameters (10, 25, 50, 100, 500 µm) Fit directly into the Metrohm electrode shaft with integrated 4 mm banana connector for convenient and precise connection to your potentiostat Due to the low measured current signals, the use of an Autolab Faraday cage is recommended for electrochemical measurements with microelectrodes
		Metrohm DropSens Screen Printed Electrodes (SPE) Screen-printed electrodes (SPE) are manufactured by printing a wide variety of inks over different substrates allowing rapid on-site analysis with high reproducibility, sensitivity and accuracy. Disposable, single use sensors which eliminate the electrode maintenance Specially designed to work with microvolumes, provide a low-cost, miniaturized platform for electrochemical research in different fields such as (bio)sensors, electroanalytical, electrocalatysis and others Available with a wide range of materials, configurations and types Conveniently connected to the Autolab potentiostats by using dedicated adaptors
Counter (Auxiliary) electrodes		Platinum sheet counter electrode Can be used as a counter electrode for most electrochemical measurements Consists of a thin platinum sheet (~1 cm² surface area), embedded into a glass shaft Highly inert, robust and easy to clean Integrated 4 mm banana connector for convenient and precise connection to your potentiostat Standard 14/15 conical fitting, fits directly into the Metrohm Autolab measurement cells without any additional adaptors
		Metrohm Autolab counter electrode Gold (Au) coil counter electrode Highly inert, simple, and easy to clean Connect your Autolab potentiostat cables through the 4 mm banana to alligator clip adaptors which are included with every potentiostat
		Metrohm Autolab Rod electrodes Inert rod electrodes which can be used as counter electrodes in your electrochemical measurements 2 mm outer diameter rods available in GC, Pt, Au and Stainless Steel, in various lengths Connect directly to the Metrohm electrode shaft with standard 14/15 conical fitting and integrated 4 mm banana connector for convenient and precise connection to your potentiostat. When used with the Metrohm shaft, it fits directly into the Metrohm Autolab measurement cells without any additional adaptors
Reference electrodes		Metrohm single-junction Ag/AgCl reference electrode General purpose, refillable, silver/silver chloride (Ag/AgCl) reference electrode with c(KCl) = 3 mol/L as reference electrolyte, suitable for aqueous applications Sigle junction with low impedance, low leakage ceramic diaphragm, with glass shaft material, suitable for most of the electrochemical measurements across various applications Integrated 4 mm banana connector for convenient and precise connection to your potentiostat Standard 14/15 conical fitting, fits directly into the Metrohm Autolab measurement cells without any additional adaptors
		Metrohm double-junction Ag/AgCl reference electrode General purpose, refillable, silver/silver chloride (Ag/AgCl) reference electrodes suitable for aqueous and non-aqueous applications Double-junction with low leakage flexible ground-joint diaphragm, with glass shaft material for electrochemical measurements sensitive to (external) ionic impurities Refillable and freely selectable reference and bridge electrolyte according to the application requirements Integrated 4 mm banana connector for convenient and precise connection to your potentiostat Standard 14/15 conical fitting, fits directly into the Metrohm Autolab measurement cells without any additional adaptors
		Metrohm Autolab Ag/AgCl reference electrode Silver/silver chloride (Ag/AgCl) mini reference electrode Saturated KCl gel electrolyte sealed in a glass shaft (not refillable) with ceramic diafragm, for low leakage purposes. Connect your Autolab potentiostat cables through the 4 mm banana connector directly attached to the reference electrode
Battery holders		Autolab Duo coin cell holder With 4-point Kelvin contacts to assure the highest precision measurements Gold-plated contacts resistant to corrosion from accidental spilling of chemicals Versatile design, capable of accommodating one or two coin cells of various standard sizes and capacities Integrated, color-coded, and clearly labeled 4 mm banana connectors for the convenient and precise connection of your Autolab potentiostat to the holder.
Adaptors and connectors		Adaptor cable for connecting Metrohm Dropsens SPEs to 4 mm banana connectors Flexible adapter cable to conveniently connect the Metrohm Autolab potentiostats to the Metrohm DropSens Screen Printed Electrodes (SPEs) 4 mm banana connectors are directly attached to the adapter cable to conveniently connect to any Autolab potentiostat cable Recommended when working with SPEs immersed in solution or when working with cells and flow-cells
		Connector box for connecting Metrohm DropSens SPEs to 4 mm banana connectors Robust adapter box to conveniently connect the Metrohm Autolab potentiostats to the Metrohm DropSens Screen Printed Electrodes (SPEs) Integrated 4 mm banana connectors to conveniently connect any Autolab potentiostat cable Recommended when working with SPEs in microvolumes, i.e., by placing a drop of electrolyte over the electrode
		Alligator clips Alligator clips directly attachable to the standard 4 mm banana connectors Convenient and precise connection of your Autolab potentiostat to electrodes with non-standard connection used in your electrochemical cell Available in 2 different sizes in red and black