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The 550W hot air rework station FNIRSI SAG-55 with smart holder is an advanced tool designed for electronics repair, PCB rework and SMD component desoldering. Thanks to its portable design and intelligent temperature control system, it provides precise performance for both professional technicians and electronics enthusiasts.
This digital hot air soldering station features a PID temperature control system managed by a microcontroller, ensuring stable temperature and reducing thermal stress on electronic components. It is ideal for PCB board repair, replacing SMD chips and performing delicate circuit rework tasks.
The hot air soldering gun includes a low-noise brushless fan with multiple airflow levels, allowing the user to adapt the air output depending on the task. From precise electronic micro soldering to SMD desoldering applications, the SAG-55 delivers consistent and controlled airflow.
The version with smart holder with magnetic sensor automatically activates sleep mode when the tool is placed in the stand. This automatic sleep mode improves safety, reduces energy consumption and extends the lifespan of the heating element. The integrated rapid cooling system helps reduce internal temperature after use.
The integrated LCD display shows temperature and operating status in real time, allowing quick adjustments directly from the handle. It also includes preset memory settings to store different airflow and temperature configurations.
Thanks to its compact ergonomic design, this hot air rework station is perfect for electronics laboratories, repair workshops, professional technical services and DIY electronics projects. It is a reliable solution for SMD soldering and PCB repair requiring precise temperature and airflow control.
| Model | SAG-55 |
| Device type | Portable hot air station |
| Maximum power | 550 W |
| Input voltage | 100–140 V AC / 200–240 V AC |
| Frequency | 50–60 Hz |
| Temperature range | 100 °C – 450 °C |
| Temperature control | PID microcontroller controlled |
| Maximum airflow | 80 L/min |
| Airflow levels | 20 adjustable levels |
| Fan type | Low-noise brushless fan |
| Display | 1.54 inch LCD (240 × 240) |
| Temperature units | °C / °F |
| Temperature presets | 3 programmable presets |
| Automatic sleep mode | Yes (magnetic sensor smart holder) |
| Cooling mode | Rapid air cooling |
| Operating noise | < 65 dB |
| Nozzle compatibility | 850 series nozzles |
| Handle dimensions | 260 × 60 × 40 mm |
| Adapter dimensions | 118 × 50 × 30.6 mm |
| Handle cable length | 1.2 m |
| Power cable length | 1.2 m |
| Approximate weight | 1391 g |
| System languages | Simplified Chinese / English |