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Imp™ Impedance Tester Version 2

Spike Neuro is pleased to partner with Modular Bionics™ Inc. to offer the Imp™ impedance tester version 2. The Imp™ is designed for rapid impedance measurement of multichannel microelectrode arrays and accurate electrode impedance spectroscopy.

Automated impedance testing for large channel count electrode arrays.

It’s simple: connect Imp to a computer, download software, connector electrodes, and test.

• Test 128 channels in under 25 seconds (mode / computer dependent)
• Electroplate a wide variety of electrodes
• State of the art accuracy
• Modern software interface

The Imp™ Samtec connectors are compatible with all electrode array connectors.

In the box
• Imp™ device
• USB 2.0 cable
• Calibration and test board
• Installation guide
• User manual

Number of Channels

128

Impedance Working Range

80Ω-100Ω

Impedance Test Accuracy

Display resolution: 1Ω (see plot below)

Impedance Frequency Range

1.4Hz-10kHz

Impedance Test Current Limit

Low test current for in vivo and in vitro use (high Z mode)

< 1nA (RMS) for impedance > 1MΩ

< 2.8nA (RMS) for impedance < 1MΩ

Maximum Current

High mode: 2.8nA RMA; Low mode: 280nA RMS

Impedance Test Signals

4mV peak-to-peak sinusoid

Constant Current Electroplating

+/- 5C compliance; +/- 12µA range

Electroplating Resolution

5nA, 10mV

 

Imp Accuracy Contour Plots

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