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EMS Physio EMS960 - Page 51

EMS Physio EMS960
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OM960/970EN Iss 9
51
Output Waveforms
Interferential 4-pole
Channel A
Channel B
Carrier
Frequency
Period
Frequency
Period
2 kHz
2 kHz
500 µs
1.75-2 kHz
572-500 µs
4 kHz
4 kHz
250 µs
3.75-4 kHz
267-250 µs
8 kHz
8 kHz
125 µs
7.75-8 kHz
129-125 µs
In constant current mode the maximum output current per channel is
100 mA peak (70 mA rms). The maximum load impedance in ohms at any
given output current is given by:
Maximum impedance = 70000/(peak output current in mA)
In constant voltage mode, the maximum output voltage is 70Vpeak or (load
impedance x 0.1) V peak whichever is the smaller.
Both output channels of the stimulator (all four electrodes) are
required for 4-pole interferential therapy.
All of the following stimulation waveforms only require one output
channel (one pair of electrodes) so it will be possible to run two
independent channels of stimulation each with different waveforms
and parameters at the same time.

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