Electrical impedance is a well-proven, powerful technique for analyzing the physical and chemical properties of a wide range of materials (see Applications).
Historically, use of the technique with high impedance, low loss materials was limited by a number of factors, such as the ability to measure accurately the very low currents involved, particularly when high electrode impedances are present (for example In-Vivo measurements). The 1294A Impedance Interface has been designed specifically to overcome these difficulties, and to meet the present and future needs of materials analysts everywhere.
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