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  1. 1089ES Checktrode Impedance Meter
    The UFI 1089ES all you to rapidly check applied electrode contact impedance of multiple electrode configurations. Ideal for electrode configurations found in Cranial EEG caps. Has 25 pin connector for Electro-Cap 19 channel cap connection. Learn More
    $849.00
  2. 1089 MKIII Checktrode Impedance Meter
    The 1089 Mark III EEG impedance meter provides quick and easy evaluation of total electrode contact impedance and offset voltage between two electrodes. Learn More
    $699.00
  3. BVP/HRV Finger Sensor for Physiocom GP-4 , GP-8 & GP-12 - High-Grade Clip Type
    Blood Volume Pulse (BVP) Finger Sensor for GP-4 , GP-8 and GP-12 biofeedback devices from Physiocom Designs (formerly J&J Engineering). Can be used for Heart Rate Variability (HRV) training Learn More
    $70.00
  4. BVP/HRV Finger Sensor for Physiocom GP-4 , GP-8 & GP-12
    Blood Volume Pulse (BVP) Finger Sensor for GP-4 , GP-8 and GP-12 biofeedback devices from Physiocom Designs (formerly J&J Engineering). Can be used for Heart Rate Variability (HRV) training Learn More
    $30.00
  5. Neurofield Power Supply for X3000 or Q20
    Neurofield power supply (one needed for each box. (The Q20 can also be placed on battery). Learn More
    $375.00
  6. Temperature Sensor for GP-4 , GP-8 and GP-12
    Temperature Sensor for GP-4 , GP-8 and GP-12 biofeedback devices from Physiocom Designs (formerly J&J Engineering). Learn More
    $50.00
  7. Mindfield eSense Temperature - Temperature sensor for iPhone & Android
    The eSense Temperature is a small sensor for measuring your skin temperature with the microphone input of your smartphone or tablet (Android or Apple iOS.). Learn More
    $144.00
  8. J&J Input Extension Cable
    Input extender for the J&J C2+ 12 channel and 6 channel systems. Learn More
    $40.00
  9. -56%
    Ground Lead for J+J I330C-2 18 inch
    Ground lead for J&J Engineer biofeedback system. Part# GL-2 Learn More
    was $22.50 Special Price $9.99
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