Specifications

Potentiostat

Galvanostat (Model 440C)

2, 3, or 4-electrode configuration

Potential range: -10 to 10V

Applied potential accuracy: ±1 mV, ±0.02% of scale

Potentiostat rise time: < 2 μs

Compliance voltage: ±12 V

Maximum current: ±250 mA continuous, ±350 mA peak

Reference electrode input impedance: 1x1012 ohm

Sensitivity scale: 1x10-12 - 0.1 A/V in 12 ranges

Input bias current: < 50 pA

Current resolution: 0.0015% of current range, minimum 0.3 fA

Minimum potential increment in CV: 100 μV

Fast waveform update: 10 MHz @ 16-bit

Data acquisition: 16 bit @ 1 MHz

External signal recording channel

QCM Frequency resolution: < 0.1 Hz

QCM maximum sampling rate: 1 kHz

Automatic and manual iR compensation

CV and LSV scan rate: 0.000001 to 5000 V/s

Potential increment during scan: 0.1 mV @ 1000 V/s

CA and CC pulse width: 0.0001 to 1000 sec

CA and CC minimum sample interval: 1 μs

CA and CC Steps: 320

DPV and NPV pulse width: 0.0001 to 10 sec

SWV frequency: 1 to 100 kHz

i-t sample interval: minimum 1 μs

ACV frequency: 0.1 to 10 kHz

SHACV frequency: 0.1 to 5 kHz

Low-pass signal filters, automatic and manual setting

Potential and current analog output

RDE rotation control output: 0 - 10 V (430C and up)

CV simulation and fitting program

Cell control: purge, stir, knock

Data length: 128K – 4096K selectable

Dimensions: 14.25”(W) x 9.25 ”(D) x 4.75”(H)

Oscillator Box (external):

4.75"(L) x 2.6" (W) x 1.55" (H)

Weight: 12 Lb.

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