Product Details

Introduction:

CS2350 bipotentiostat is developed on regular single- channel CS350. There are two independent sets of built-in potentiostat/galvanostat. For each set of potentiostat, there is a set of counter/working/reference electrode. CorrTest software controls the output potential and current.

CS2350 consists of main channel and slave channel. The slave channel applies floating mode to control the potential and current of WEII. The potential and current of WEII can independently remain constant. Tests (independent of WEI) such as linear scan and cyclic voltammetry sweep can be conducted.

Apart from all functions that single-channel CS350 workstation has, CS2350 can be used to do RRDE and HDT.

Application

RRDE (Rotating ring - disk electrode)

While measuring the polarization curve of disk electrode, keep the ring electrode at a fixed polarization potential, and thus detect the intermediates of reaction on the disk electrode. It becomes the typical fluid dynamics method that detects reaction intermediates and studies electrode reaction mechanism.

HDT (Hydrogen diffusion Test)

The bipotentiostat is combined with Devnathan-Stachurski cell. By measuring cathode hydrogen charging current (the left cell) and anode oxidation current of hydrogen atoms (the right cell), it can further calculate the diffusion coefficient of hydrogen atoms in the metal and hydrogen flux.

Technical parameters:


Potential control range: ±10V	Current control range: ±2A
Potential control accuracy: 0.1%×full range±1mV	Current control accuracy: 0.1%×full range
Potential resolution: 10μV (>100Hz), 3μV (<10Hz)	Current sensitivity: <10pA
Potential rise time: <1μs (<10mA), <10μs (<2A)	Current range: 200nA ~2A, 8 ranges
Reference electrode input impedance: 1012Ω\|\|20pF	Maximum current output: 2A
Compliance voltage: ±21V	Current increment during scan: 1mA@1A/ms
CV and LSV scan rate: 0.001mV~10,000V/s	Potential increment during scan: 0.076mV@1V/ms
CA and CC pulse width: 0.0001~65,000s	DPV and NPV pulse width: 0.0001~1000s
SWV frequency: 0.001~100 kHz	Minimum potential increment in CV: 0.075mV
AD data acquisition: 16bit@1 MHz,20bit@1 kHz	Potential and current range: automatic
DA resolution: 16bit, setup time: 1μs	Low-pass filters: covering 8-decade
Communication Interface: USB2.0	Instrument net weight: 6.5Kg
Instrument dimension(cm): 36.5(W)X30.5 (D)X16 (H)	Operating System: Windows 2000/XP/ Win7/Win8/Win10
EIS
Signal generator
Frequency range: 10μHz~1MHz	AC signal amplitude: 1mV~2500mV
Frequency accuracy: 0.005%	Signal resolution: 0.1 mV RMS
Output impedance: 50Ω	DC Bias: -10~+10V
Wave distortion: <1%	Waveform: Sine wave, triangular wave and square wave
Scan mode: Logarithmic/linear, increase/decrease
Signal analyzer
Integral time: maximum: 106 cycles or 105s	Measurement delay: 0~105s
Integral time: mnimum: 10ms or the longest time of a cycle
DC offset compensation
Potential automatic compensation range: -10V~+10V	Current compensation range: -1A~+1A
Bandwidth: 8-decade frequency range, automatic and manual setting

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