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Zahner IM7c High End Compact Potentiostat
High End Compact Potentiostat Zahner IM7c - Image 2
High End Compact Potentiostat Zahner IM7c - Image 3
High End Compact Potentiostat Zahner IM7c - Image 4
High End Compact Potentiostat Zahner IM7c - Image 5

High End Compact Potentiostat Zahner IM7c

The IM7c is a compact potentiostat / galvanostat including a frequency response analyser. It offers 32-bit DC resolution and 24-bit AC resolution across 12 different current ranges, which ensure exceptionally accurate and precise measurements.

The IM7c can either be operated by Zahner Lab or by the zahner_link API. The zahner_link libraries communicate with the IM7c via WebSocket connections, exchanging JSON objects. Built with a C++ core, the zahner-link also offers Python bindings for simplified programming.

The main specifications for the IM7c are

  • DC voltage ranges: ±5 V and ±14 V
  • Current up to ±2 A over 12 current ranges
  • EIS frequency range from 10 µHz to 5 MHz
  • Supported operating systems: Windows, Linux and macOS
  • Controllable by C++ and Python
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Next Generation Workstation

General

Overall bandwidthDC - 6 MHz
ADC resolution32-bit DC24-bit AC
Harmonic reject> 60 dB @ ½ full scale
Potentiostat modespotentiostatic, galvanostaticOCP, ZRA, FRA, off
Cell connection2-, 3-, 4-terminal kelvin
Ground referencegrounded, floating
PC interfaceGigabit Ethernet (GbE)
Dimensions (H x W x D)160 x 255 x 385 mm3
Weight8 kg
Accessoriesdummy cell, testbox, LoZ cable set, HiZ cable set, ethernet cable (3m), mains cablequickstart installation guide, 3 Zahner Analysis licenses, safety precaution guide
Power supply100/115/230 VAC, 50/60 Hz180 W
Storage40 GB m.2 SSDSD card slot (for Recovery)
Ambient temperature+10 °C to +30 °C
Ambient humidity< 60% without derating
Storage temperature-20 °C to +85 °C

Input

Maximum input voltage±5 V5 V range
±14 V14 V range
Voltage resolution3.2 nV5 V range
9.6 nV14 V range
Voltage accuracy±100 µV ±10 ppm of reading5 V range
±300 µV ±30 ppm of reading14 V range
Current resolution±2 aA (32 Bit)
Current accuracy±0.5% of reading ±0.4% of FS250 mA ... 2 A
±0.05% of reading ±0.04% of FS2.5 µA ... 250 mA
±0.5% of reading ±0.4% of FS25 nA ... 2.5 µA
±0.5% of reading ±125 fA< 25 nA
Input impedance> 10 TΩ || ±5 pF (typical)
Input leakage current< |200 fA| typ.
< 5 pA max.
Impedance range20 µΩ to 100 GΩsee accuracy contour plot for detailed information
Common mode rejection> 86 dB @ 10 µHz to 100 kHz
> 66 dB @ 100 kHz to 5 MHz
Input channel phase-tracking accuracy±0.05 ° @ 10 µHz to 100 kHz
±0.125 ° @ 100 kHz to 5 MHz
Equivalent effective input noise1 µV rms / 100 fA rms @ 1 mHz to 10 Hz
Maximum sampling rate900 kHz at up to 2 channels

Output Potentiostatic

Compliance voltage±14 V
Controlled voltage±5 V
±14 V
Resolution2.5 nV5 V range
7.5 nV14 V range
Accuracy±250 µV ±20 ppm of reading5 V range
±750 µV ±60 ppm of reading14 V range
Integral Nonlinearitytyp. 4 ppm, max. 8 ppm5 V range
typ. 12 ppm, max. 24 ppm14 V range
BandwidthDC to 6 MHz @ 33 Ω load
IR compensationauto AC impedance technique
range 0 to 10 MΩ
resolution 0.012%
Small signal rise time150 ns to 200 µs in 5 stepsautomatic selection
Slew rate15 MV/s

Output Galvanostatic

Controlled current±2 A
Current range±2.5 nA to ±2 A in 12 steps
Resolution32 bit, ±0.2 ppb of FS
Accuracy±0.1% of reading ±0.04 % of FS≥ 2.5 µA to 250 mA
±0.4% of reading ±0.2% of FS< 2.5 µA or > 250 mA

Frequency Generator & Analyzer

Frequency range10 µHz to 5 MHz
Accuracy< 0.0025%
Resolution0.0025%,
10000 steps/decade
AC voltage amplitude0 to 2 V, 24 bit resolution5 V range
0 to 6 V, 24 bit resolution14 V range
AC current specification0 to 2 A, 24 bit resolutionin 12 current ranges

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