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High performance in a small footprint

  • Potential range ±3 V or ±6 V
  • Max. current ±30 mA or ±200 mA
  • Wireless control
  • Extendable with multiplexer
  • iR compensation


The EmStat4X delivers high performance in a small footprint. The EmStat4X is a small battery and USB-powered Potentiostat, Galvanostat, and optional Frequency Response Analyser (FRA) for Electrochemical Impedance Spectroscopy (EIS). The EmStat4X Low Range (LR) version is great for applications that require measuring low currents down to picoamps, like (bio)sensor research. The High Range (HR) version is very suitable for applications that need a maximum current of up to 200 mA.

Two versions

The EmStat4X comes in two different versions:

  • Low Range: for lower currents and potentials (±30 mA / ±3 V applied / ±5 V compliance)
  • High Range: for higher currents and potentials (±200 mA / ±6 V applied / ±8 V compliance)

The EmStat4X is available in two versions: the LR (Low Range) and HR (High Range) version.

Main differences between the EmStat4x Low and High Range
  EmStat4S.LR EmStat4S.HR
Potential range ±3 V ±6 V
Max. compliance voltage ±5 V ±8 V
Current ranges 1 nA to 10 mA (8 ranges) 100 nA to 100 mA (7 ranges)
Max. current ±30 mA ±200 mA
Electrode connections WE, RE, CE and ground,
2 mm banana plugs
WE, RE, CE, Sense, and ground,
2 mm banana plugs