I. TF-04S Intermediate Frequency Therapy Apparatus Technical Parameters

1. Power supply: AC: 220V±22V  50Hz±1Hz    Input power: 65VA

2. Ambient temperature: +10℃～+40℃  Ambient humidity: 30%～75%  Atmospheric pressure: 700hpa～1060hpa

3. Intermediate frequency: 1kHz～10kHz　Error: ±30%

4. Pulse width: 50us～500us  Error: ±30%

5. Modulation wave frequency: 0～440Hz   Error: ±30%

6. Modulation amplitude: 0～100%      Error: ±5%

7. Beat frequency range: Within 0～100Hz.

8. Dynamic rhythm: 4s～10s.

9. Beat frequency variation cycle: 15s～30s.

Output modes:

① Computer intermediate frequency (bidirectional intermediate and low-frequency current)     ② Thermal output (adjustable thermal output from 0 to 3 levels)

10. Modulation waveforms: Fundamental wave: Pulse square wave        Modulation wave: Exponential wave, forward triangular wave, backward triangular wave, continuous wave, sine wave, triangular wave, step wave, continuous wave

11. Maximum output current: The effective value of the maximum output current shall not exceed 100mA.

12. Open circuit alert and recovery: During operation (output dose greater than 10), if an open circuit occurs, the yellow indicator light will illuminate. If the open circuit fault is resolved, the yellow indicator light will turn off.  

13. Electrode plate temperature during heating shall not exceed 60℃

14. Continuous operation time: Not less than 4 hours.

15. The effective load impedance of this product is 500 ohms, and the above technical parameters should be measured under this load.

16. When measured with a load resistor within the range specified in this manual with an error not exceeding ±10%, the deviation of the measured values from the pulse width, pulse repetition frequency, and amplitude values specified in the accompanying documents or marked on the device must not exceed ±30%.

17. This product mainly consists of a main unit, output electrodes, and leads.

18. This product has 4 output channels, 2 LCD display areas, and no protective cover.

19. Environmental conditions for transportation and storage:

Ambient temperature: -20℃～55℃ Ambient humidity: ≤95% Atmospheric pressure: 700hpa～1060hpa

II. TF-04S Intermediate Frequency Therapy Apparatus Function Settings

* Output open circuit early warning function to effectively prevent electric shock to patients

* Electrode plate and connection line detection function

* Four independent output channels without interference

* Heating is adjustable in three levels

* Connection lines and main unit are manually fastened to prevent accidental "disconnection" during treatment

* Equipped with two sizes of electrodes to meet treatment needs for different body parts

* Equipped with 4 sets of universal adhesive fixation straps with a maximum length of 1 meter to solve fixation challenges for different body parts