Impedance Meters

EIM-105 Prep-Check™
For ECG and EEG. Highly affordable. Perfect for testing electrodes and preps for small numbers of electrodes. Available in 10 or 30Hz versions.

EIM-107-Multi-Lead Prep-Check™ Plus
For all EEG and ECG stress testing. Economical, fast, automatic, accurate testing of impedance and offset voltage of up to 160 electrodes using quick-connect multi-pin headbox connector.

EIM-107-20A Prep-Check™ Plus
Specifically designed for Polysomnography studies! Economical, fast, automatic, accurate testing of impedance of up to 20 electrodes using 0.060" safety DIN connectors. Lighted display for added convenience.

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