Model 660F Electrochemical Workstation (CHI-660F)
OVERVIEW
The Model 660F is an advanced electrochemical workstation in the CH Instruments 600F series. It combines potentiostatic and galvanostatic operation with voltammetry, amperometry, AC impedance, chronopotentiometry, and intermittent titration methods. The model also provides simulation and fitting functions for cyclic voltammetry and impedance measurements.
Item No: CHI-660F
Brand: CH Instruments
Country of origin: Not specified by the manufacturer
KEY FEATURES
Potentiostat and galvanostat with 2-, 3-, or 4-electrode configuration
Supports cyclic, linear sweep, pulse, square wave, and AC voltammetry methods
Includes AC impedance measurements versus frequency, time, or potential
Supports galvanostatic and potentiostatic intermittent titration (GITT and PITT)
Dual-channel, 16-bit data acquisition
Includes iR compensation and an RDE control output
APPLICATIONS
Electrochemical mechanistic and analytical studies
Voltammetry and amperometry
AC impedance measurements
Chronopotentiometry
GITT and PITT experiments
Electrochemical sensor studies
TECHNICAL SPECIFICATIONS
Specification | Model 660F |
Electrode configuration | 2, 3, or 4 electrodes |
Maximum potential | ±10 V |
Maximum potentiostat current | ±250 mA continuous; ±300 mA peak |
Compliance voltage | ±13 V |
Measured current range | ±10 pA to ±0.25 A in 12 ranges |
Galvanostat applied current range | 3 nA to 250 mA |
Applied potential accuracy | ±1 mV, ±0.01% of scale |
Reference electrode input impedance | 1 × 10¹² Ω |
Data acquisition | Dual-channel 16-bit ADC; up to 2,500,000 samples/s simultaneously |
AC impedance frequency range | 0.00001 Hz to 3 MHz |
Selected supported methods | CV, LSV, CA, CC, DPV, NPV, SWV, ACV, impedance, CP, GITT, PITT, and open-circuit potential versus time |
Simulation and fitting | Full CV simulation and fitting; impedance simulation and fitting |
RDE control output | 0–10 V |
Data communication | Serial port or USB |
Dimensions | 14.25 in W × 9.25 in D × 4.75 in H |
Weight | 12 lb |


