User manual

SENSUS
™
Pain Management User Manual
35
APPENDIX E:
SENSUS Technical Specifications
Output
Waveform Biphasic with alternating leading
phase, symmetrical, rectangular
Regulated Current or Voltage Current
Net Charge per Pulse 0±1 µC into 500Ω load
Maximum Output Voltage
(±10%)
100 V
Maximum Output Current
(<1KΩ load) (±10%)
100 mA
Pulse Duration (±4%) 200 - 400 µsec
Pulse Frequency (±4%) 60-100 Hz, randomly varying
Pulse Pattern Continuous
Maximum Phase Charge 20 µC
Maximum Current Density 0.71 mA/cm
2
into 500Ω load
Maximum Average Current 4 mA into 500Ω load
Maximum Average Power
Density
7 mW/cm
2
into 500Ω load
Output Trips
No Load Device not connected to patient
Insufficient Charge Delivered charge below target
Over Load Delivered charge above target
Short Circuit Low impedance
Electrode Peeling Electrode dislodging from skin