Dinghua DH-G200, Руководство пользователя

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reduce the heating section of the third and fourth soldering temperature and time , or reduce the bottom
of the preheat temperature
Attention: It will cause occur odor in the normal working process In order to assure safe and healthy
operation environment, please keep ventilation in and out of the room
七 、
Outer temperature measurement
couple usage
（
A
）
the function of external temperature sensor
a To measure actual temperature more accurately during the welding process
b Because it can move freely, it is more convenient to measure different parts of ready to be measured
component
c It has correct function, which can make the temperature of welding parts is more familiar with the
setting temperature
(B)The installation of couple
a Check that whether the couple line is in good condition
b Put the plug of couple line in the socket of external couple
c After right installation of couple, the touch screen will show the current temperature of couple
(C)Use the couple to measure actual temperature
a Put the PCB board on the BGA Rework station Use tinfoil paper to fix the couple line on the PCB board
b Adjust the detector and make it 1-2mm higher than the ready to be measured parts
c Adjust the position of PCB board so that the ready to be heated parts is under the
upper warm wind nozzle (Like picture sixteen)
d Adjust the adjusting knob of head blow-dryer up and down so that the upper warm wind nozzle is
2-3mm higher than the surface of PCB board
e Choose the touch screen interface (like picture five), click “start”, then the upper heater begin to heat
f Now the screen will show red. light blue.green three curves (Picture seventeen)
The temperature curve of external couple (light blue)
The current temperature curve of internal couple of upper heater (red)
The current temperature curve of internal couple of bottom heater (green)