How to Choose a Potentiostat

Name	EChem Startup System	EChem Startup System with Fast Potentiostat	Dual Picostat System	QuadStat EChem System bundle	Advanced Electrochemistry System
Product Code	ER461	ER461b	ER461p	ER864	ERZ101
Includes Products	ER466 ET014 ES260 ES500	EA163 ED410 ET014 ES260 ES500	EA362 ED410 ET014 ES260 ES500	EA164 ED821 ER175 ES500	ERZ100 EA163 ED410 ET014 ES260 ES500
Number of Channels	1	1	2 (bipotentiostat)	4 (quadpotentiostat)	1
Modes	Potentiostat Galvanostat ZRA High Z	Potentiostat Galvanostat ZRA High Z	Potentiostat ZRA	Potentiostat ZRA	Potentiostat Galvanostat ZRA High Z
Current Ranges	±100, 50, 20, 10, 5, 2, 1 mA ±500, 200, 100, 50, 20, 10, 5, 2, 1 µA ±500, 200, 100, 50, 20 nA	±100, 50, 20, 10, 5, 2, 1 mA ±500, 200, 100, 50, 20, 10, 5, 2, 1 µA ±500, 200, 100, 50, 20 nA	±10, 5, 2, 1 µA ±500, 200, 100, 50, 20, 10, 5, 2, 1 nA ±500, 200, 100, 50, 20, 10, 5, 2, 1 pA	±1 mA* ±500, 200, 100, 50, 20, 10, 5, 2, 1 µA* ±500, 200, 100, 50, 20, 10, 5, 2, 1 nA* ±500, 200 pA* x10 for high current model	±100, 50, 20, 10, 5, 2, 1 mA ±500, 200, 100, 50, 20, 10, 5, 2, 1 µA ±500, 200, 100, 50, 20 nA
Electrochemistry Techniques	CV, LSV, DPV, SWV, NPV, RPV, LSSV, DPSV, SWSV, NPSV, MPV,DPA, CPE, DNPV, DPV Chronoamperometry, chronocoulometry, chronopotentiometry, CPE, CCE, electrosynthesis, RDE*, QCM*	CV, LSV, DPV, SWV, NPV, RPV, LSSV, DPSV, SWSV, NPSV, MPV,DPA, CPE, DNPV, DPV Chronoamperometry, chronocoulometry, chronopotentiometry, CPE, CCE, electrosynthesis, RDE*, QCM*	CV, LSV, DPV, SWV, NPV, RPV, LSSV, DPSV, SWSV, NPSV, MPV,DPA, CPE, DNPV, DPV Chronoamperometry, chronocoulometry, chronopotentiometry, CPE, CCE, electrosynthesis, RDE*, QCM*	Chronoamperometry, chronocoulometry, chronopotentiometry, CPE, CCE, electrosynthesis, RDE*, QCM*	EIS Electrochemical Impedance Spectroscopy (potentiostatic and galvanostatic) CV, LSV, DPV, SWV, NPV, RPV, LSSV, DPSV, SWSV, NPSV, MPV,DPA, CPE, DNPV, DPV Chronoamperometry, chronocoulometry, chronopotentiometry, CPE, CCE, electrosynthesis, RDE*, QCM*
Typical Applications	Cyclic voltammetry: compound characterization Electrolysis: small scale electrosynthesis or electropolymerisation Analytical chemistry, research or teaching Kinetics: pulse chronoamperometric techniques Sensors: suitable for use with amperometric sensors	Example	for use with carbon fiber and ultramicroelectrodes in vivo monitoring of dopamine studies of ionic transport across membranes or immiscible interfaces Monitor dissolved oxygen, nitric oxide, hydrogen peroxide or hydrogen sulfide	Simultaneous monitoring of sensors in multiple reaction vessels Bipotentiostat operation: two, three or four working electrodes with common auxiliary and reference electrode Sensors: use with amperometric sensors providing current signals down to the picoampere ranges Neurochemistry: in vivo amperometry for neurotransmitter monitoring	surface corrosion membrane structure and permeability self-assembled monolayers (SAMs) Biosensors epitaxial layers interfacial ion transport battery and fuel cell characterization and performance biocompatible surfaces
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