Adopts patented multiple over-current protection, and is provided with power-on soft start, heating current limitation, freewheeling protection, automatic stop 2. No manual voltage gear shift or meter adjustment is required for power-on and heating process 3. Equipped with RS485 and RS232 dual-communication connections
The PR322 series is equipped with a special power control cabinet, adopts patented multiple over-current protection, and is provided with power-on soft start, heating current limitation, freewheeling protection, automatic stop and other functions. No manual voltage gear shift or meter adjustment is required for power-on and heating process. Equipped with RS485 and RS232 dual-communication connections, and configured with ZRJ series calibration system software, the functions of start/stop, real-time recording, specifications query setting, etc. can be achieved. While protecting the safety of the equipment, the manual operation is greatly simplified.
Model Selection table
Model |
PR322A |
PR322B |
Temperature range |
300~1500℃ |
300~1600℃ |
Furnace size |
Φ25mm*600mm |
Φ25mm*600mm |
Heating material |
Silicon molybdenum rod |
Platinum rhodium 30 |
Cold resistance |
About 0.1Ω |
About 0.5Ω |
Max current |
50A |
16A |
Operating voltage |
20~50V |
50~180V |
Control cabinet |
PR351 |
PR352 |
Temperature field center |
Deviate from the geometric center does not exceed 20mm |
|
Temperature field indicators |
the maximum temperature ±20mm has a uniform temperature field with the temperature change gradient ≤0.5℃/10mm |
The PR322 series is equipped with a special power control cabinet:
1.Adopts patented multiple over-current protection, and is provided with power-on soft start, heating current limitation, freewheeling protection, automatic stop and other functions.
2.No manual voltage gear shift or meter adjustment is required for power-on and heating process.
3.Equipped with RS485 and RS232 dual-communication connections.
4.Configured with ZRJ series calibration system software, the functions of start/stop, real-time recording, parameter query setting, etc. can be achieved.
5.While protecting the safety of the equipment, the manual operation is greatly simplified.