... temperature-change.4. With the assistance of the computer and PLC electrical system, the automatic loading of ... made up of Testers via 485 bus: a single computer to control multiple Testers.8. Parameter setting, temperature ... gradient (°C)200°C ~ 600°C, fluctuation: ± 2°C, temperature gradient 2600°C~ 900°C, fluctuation: ± 3°C, temperature gradient 3900°C ~ 1100°C, fluctuation: ± 4°C, temperature ...