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Squidstat Plus

±1 A Potentiostat with EIS up to 2 MHz and 1% / 2° Accuracy at 1 mΩ

Squidstat Plus Highlights:

  • Becomes a multichannel system by connecting more Squidstats to the same computer
  • Onboard memory (16 GB) backs up all data collected from experiments for failsafe recovery
  • Voltage/current setpoints, OCP mode, and sampling rates are adjustable in real time
  • Wide selection of prebuilt experiments are available, and the “Drag & Drop” experiment builder can quickly and easily make custom experiments – no coding skills necessary.
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General Specifications

General Specifications Values
Channels Per Unit 1
Operating Modes Pot / Gal / ZRA / FRA
Cell Connections 5 electrode
ADC/DAC Resolution 16-bit resolution
Slew Rate (1 kΩ load) 1 MV/s (-1 V to +1 V)
Shortest DC data recording interval 200 µs
Shortest DC hardware sampling interval 7.5 µs
Floating/Ground Mode Both (Switchable)
Input Impedance 10 Tera-Ω (typical)
Input Bias Current 10 pA (typical)
Data Backup Memory 16 GB onboard
Dimension and Weight 24 L x 17 W x 6 H cm, 1 kg
Channel Cable Length 1 m
Computer Interface 1 USB per unit
Temperature Operating Range 0 to 40 ℃
Min/Max Scan Rate 15 µV/s min, 25 V/s max
Smallest Pulse Width 375 µs
Smallest Potential Step (Sweep) 0.003% of range, 15 μV min
SWV Max Frequency 3.5 kHz (-1 V to +1 V)
Power Supply 100 – 240 VAC, 50 – 60 Hz

Potentiostatic Input/Output

Parameter Values
Compliance Voltage ±12 V
Voltage Scan Range ±10 V
Number of Voltage Ranges 4 ranges [±10V, ±5V, ±1V, ±0.5V]
Applied Voltage Accuracy 0.1% of setpoint, 1 mV min
Applied Voltage Resolution 0.003% (30.52 ppm) of range, 15 μV min
Measured Voltage Accuracy 0.1% of measured, 1 mV min
Measured Voltage Resolution 0.003% (30.52 ppm) of range, 15 μV min
Time Resolution 10 ns
iR Compensation Limits 23.5% of range, 2.35 V max

Galvanostatic Input/Output

Parameter Values
Current Range ±1 A
Number of Current Ranges 8 ranges, [100 nA to 1 A]
Applied Current Accuracy 0.2% of range, 1 nA min
Applied Current Resolution 0.003% (30.52 ppm) of range, 3 pA min
Measured Current Accuracy 0.1% of range, 100 pA min
Measured Current Resolution 0.003% (30.52 ppm) of range, 3 pA min

Impedance Analyzer

Parameter Values
EIS Frequency Range 10 μHz to 2 MHz
AC Frequency Accuracy 0.005% (50 ppm) or better
AC Frequency Resolution 18-bit, 0.0004% (3.81 ppm), 3 µHz min
EIS Amplitude Resolution 24-bit resolution
Potentiostatic EIS Amplitude ≤ 100% of range, 10 V max
Potentiostatic EIS Amplitude Resolution 0.000012% (0.12 ppm) of set/measured
Galvanostatic EIS Amplitude ≤ 100% of range, 1 A max
Galvanostatic EIS Amplitude Resolution 0.000012% (0.12 ppm) of range

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