D175 Electrode Impedance Meter

D175 Electrode Impedance Meter

£300.00

FEATURES

  • Portable
  • Battery powered
  • Easy to use
  • Wide impedance range
  • Low/high LED indicators

Description

DESCRIPTION

The D175 Electrode Impedance Meter from Digitimer is a compact battery powered device designed to allow checking of electrode impedances prior to recording or stimulating through surface electrodes attached to the skin.

In the case of electrical stimulation, high electrode impedance can reduce the amount of current that can pass through the target tissue, resulting in lower than expected stimulation and a poor evoked response. Likewise, high impedances can reduce the quality of recordings, such as ECG, EEG and EMG that rely on surface electrodes.

The D175 Electrode Impedance Meter, a peripheral stimulator, is a tool that allows suitably trained operators to rapidly assess surface electrode impedances in order to decide if they are low enough for the procedure being undertaken. It features green/red bi-colour LEDs allowing the operator to set a threshold impedance at which an LED will light as red rather than green. This facilitates electrode impedance checking, by providing the operator with an easily visible indication of “good” (green) or “bad” (red) electrode impedances. The impedance values that the D175 can display are 0, 0.5, 2, 3, 5, 7, 12, 20, 30, 50 kohm.

For display purposes, measured impedances are rounded up to the next highest displayable value, i.e 4 kohm lights up the 5 kohm LED. By pressing and holding the Power Button for longer than 4 seconds, the D175 will enter the SETUP MODE and allow the operator to change the level at which the LEDs illuminate green or red. In SETUP MODE, the LED corresponding to the highest “good” (green) level will flash green. The D175 preserves battery power by switching off if a button is not pressed for a period of greater than one minute.

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Product Information

D175 Electrode Impedance Meter

References
Publications which cite use of the Digitimer D175 can be found on Google Scholar.

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