Tech Tips

N2 system mechanism

Nitrogen gas discharge system

Number and position of holes differs according to type of N2 soldering iron.
This illustration depicts the HAKKO FM-2026.

What is the temperature of heated nitrogen gas?

In case of HAKKO FM-2026 (Station:HAKKO FX-951)
Test condition:
Measure at a point 2mm from the center of tip end with ø0.1CA sensor
Tip shape
T13-D24
Temperature
300℃ and 350℃
Temperature of nitrogen gas varies depending on tip shapes.

Setting
temperature
(ºC)

Flow rate of
nitrogen gas
(l/min.)

Temperature of
nitrogen gas
(ºC)

300





0.5

210

1.0

250

1.5

260

2.0

263

2.5

260

350



0.5

230

1.0

240

1.5

300

2.0

320

2.5

305

Setting sample
Setting sample
-Soldering station HAKKO FX-951
-N2 generator HAKKO FX-780:
small-capacity type
-N2 flow meter HAKKO FX-791
Please refer to above values, which vary depending on soldering condition.
In case of HAKKO FX-8302 (Station:HAKKO FX-838)
Test condition:
Measure at a point 2mm from the center of tip end with ø0.1CA sensor
Tip shape
T20-D24
Temperature
300ºC and 350ºC
Temperature of nitrogen gas varies depending on tip shapes.

Setting temperature
(ºC)

Flow rate of
nitrogen gas
(l/min.)

Temperature of
nitrogen gas
(ºC)

300



0.5

225

1.0

235

1.5

240

2.0

175

2.5

160

350



0.5

275

1.0

300

1.5

300

2.0

225

2.5

200

Please refer to above values, which vary depending on soldering condition.
set example
Setting sample
-Soldering station HAKKO FX-838
-N2 generator HAKKO FX-780:
small-capacity type
-N2 flow meter HAKKO FX-791