Tianchangfu T99-FIV Medium Frequency Electrotherapy Apparatus Main Technical Parameters:

1. Operating Frequency: Medium frequency carrier wave 2–8 kHz, single frequency tolerance ±10%

2. Modulation Waveforms: Square wave, triangle wave, sawtooth wave, exponential wave, step wave, sine wave, and several combined waveforms.

3. Modulation Depth: 33%, 60%, and 100%

4. Modulation Modes: Continuous modulation, intermittent modulation, burst modulation, frequency conversion modulation, and alternating modulation. Alternating modulation includes 1-element, 2-element, and 3-element modulation.

5. Output Current Adjustment: Incremental and decremental button control (100 levels, 1 mA per level)

6. Maximum Output Current: 100 mA ±10% (load 500 Ω)

7. Output Current Stability: Output current variation rate ≤5%

8. Output Channels: Four independent channels A/B/C/D

9. Temperature Adjustment: Eight adjustable temperature levels

10. Storage Capacity: 64 KB, with 90 built-in prescriptions

11. Power Supply: AC 220 V ±10%; due to the wide operating range of the switching power supply, it can be directly used with 110 V ±10% power supply without modification. Frequency 50 Hz ±2%

12. Operating Environment: 5–40°C, relative humidity ≤80%

13. Output Power: 80 VA

14. Safety Classification: Class I, Type BF

15. Duty Cycle: Continuous operation, intermittent loading

16. Dimensions: 480 mm × 340 mm × 125 mm

17. Weight: 7 kg