![Nu-Tek ComboRehab2 Bio Скачать руководство пользователя страница 40](http://html1.mh-extra.com/html/nu-tek/comborehab2-bio/comborehab2-bio_user-manual_1715542040.webp)
39
exceed a current density of 0.2 mA / cm².
To find the maximum recommended current amplitude in mA for the Interferential, Premodu-
lated and Russian Stimulation current waveforms, multiply the electrode surface in cm² by
two. For all other current waveforms the stimulator output current can never exceed 50 mA
r.m.s. This implies that with an electrode surface of 25 cm² the current density can never
exceed 2 mA r.m.s. / cm². As a rule of thumb for smaller electrodes, such as the 3.2mm self
adhesives, the maximum current setting available on the stimulator for a given current wave-
form should proportionally be reduced.
For a precise calculation of the r.m.s. value of a pulsed current waveform the following
IRUPXODFDQEHXVHG,506 ,SHDN¥3KDVHGXUDWLRQ>V@SXOVHIUHTXHQF\>+]@
For symmetrical TENS currents, the Phase duration should be multiplied by 2. The value of
the peak current Ipeak can be taken from the current display.
Electrodes should be placed with care, ensuring good electrical contact over the entire elec-
trode surface.
7.1.7 Connection and disconnection reactions
Constant Current (CC) output characteristics may cause unpleasant connection and discon-
nection reactions if the electrodes are not securely placed or lose contact with the skin. Make
sure the current amplitude is set to 0 mA when you apply or remove the electrodes. Use the
Constant Voltage (CV) output mode with dynamic electrode applications.
7.2 Ultrasound
7.2.1 Contact control
The ultrasound applicator has a contact control function that suspends treatment when the
acoustical contact with the body drops below a certain level (see paragraph 10.1). The indi-
cator light on the applicator is turned on to signal this situation, the ultrasound Amplitude
display will start blinking and the treatment timer will stop counting down. During this situa-
tion the applicator emits a small amount of energy to sense restoration of acoustical contact.
You may experience this when the applicator only partially contacts the body. When contact
restoration is sensed the treatment is resumed at the set Amplitude.
The contact control function does not work at Amplitudes below 0.2 Watt/cm².
Rehab-Series