Accessories
Imp™ 128 ch. Impedance Tester V2
Rapidly measure electrode impedance and perform electrode impedance spectroscopy (EIS) for multichannel microelectrode arrays.
Plexon is pleased to offer the Imp™ impedance tester Version 2. It is specifically designed for rapidly measuring impedance or performing electrode impedance spectroscopy (EIS) for multichannel microelectrode arrays.

The Imp utilizes a low test voltage and only requires a computer with a USB port, it is easy to use and ideal for both in vivo and in vitro applications.
- Low test voltage and current suitable for in vitro and in vivo testing
- Fast measurement time
- Multiple test frequencies
- Standard connector spacing and pin-out
- Software available for Windows (Windows 8 and newer) and macOS (Catalina 10.5 and newer)
- Calibration board included
- Electroplate a wide range of electrodes
*Imp is a trademark of the manufacturer Modular Bionics Inc.
Technical Specifications
| Feature | Specifications and Options | Remarks |
|---|---|---|
| Channels | 128 channels | — |
| Impedance working measurement range | 100Ω–100MΩ | — |
| Test frequencies | 1.4Hz—10kHz | — |
| Display resolution | 1Ω | — |
| Impedance test signal | 4mV peak-to-peak sinusoid | — |
| Maximum current | High mode = 2.8nA RMS Max, Low Mode = 280nA RMS Max | — |
| Input connector | 4x Samtec FOLC-110-L1-S-Q | Compatible with existing Plexon impedance measurement cables |
| Weight | 126g | — |
| Dimensions | 126mm x 70mm x 12mm | — |
Manuals / User Guides
Imp User Guide
Manual for the Imp 128 ch. Impedance Tester V2.
