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N2 flow meter FX 791
(Product No.: HA-FX791-01)
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N2 flow meter FX 791

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388,00 EUR
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N2 flow meter FX 791

The N2 flow meter FX 791 from HAKKO is specifically designed for use with N2 soldering irons and offers precise control and monitoring of nitrogen flow. This device is equipped with a flow control valve and a regulator, allowing for accurate adjustment of the gas flow between 0.25 and 2.5 l/min. The use of nitrogen as a shielding gas in soldering significantly improves the quality of solder joints by displacing oxygen and thus reducing the oxidation of the molten solder and the surfaces to be soldered. This leads to cleaner and more reliable solder joints on components and circuit boards. The device thus effectively supports the optimization of soldering processes in technical and industrial applications.
Height
Height
121 mm
Length
Length
134 mm
Width
Width
70 mm
Weight
Weight
0.6 kg
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Product Family

HAKKO N2 system

Nitrogen is used as a protective gas to improve soldering results. A protective gas displaces oxygen, thereby reducing oxidation of the liquid solder and the surfaces of the components and circuit boards to be soldered.

HAKKO's N2 system includes the FX 780 N2 generators for normal capacities and the FX 781 for large capacities (2 soldering irons), as well as the FX 971 N2 flow meter for the N2 soldering iron.

Effects of the N2 system

Hot nitrogen escaping from the soldering tip has several positive effects:

  • Minimizes oxidation at the soldering tip
  • Keeps all fluxes active for longer
  • Reduces the time required per solder joint
  • Solves the problem of insufficient heat input that occurs with multilayer boards and solid shielding
  • Reduces the stress on heat-sensitive components
  • Reduces damage to multilayer ceramic capacitors

 

Improved wettability

A protective gas displaces oxygen, thereby reducing oxidation of the liquid solder, the surfaces to be soldered, and the circuit boards.

 

Prevention of oxidation

Nitrogen escapes from the nozzle of the soldering iron and heats the soldering point. Thanks to this function, the soldering tip only needs to be used to apply the final temperature peak for the actual soldering process. This significantly extends the service life of the soldering tips. The time required for the actual soldering process is reduced by up to 25%.

 

Preheating effect

Under nitrogen, the liquid solder behaves in such a way that the menisci at the transition between the soldering partners are much flatter. This is a consequence of the changed surface tension of the liquid solder.

IMG-DESC#32015.jpg

 

 

 

 

Connection method

 

For the connection with one soldering iron

IMG-DESC#32013.jpg

 

For the connection with two soldering irons

IMG-DESC#32014.jpg

 


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Height
Length
Width
Weight
Price
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NEW
HA-FX780-01 - N2 nitrogen generator FX 780
HA-FX780-01
N2 nitrogen generator FX 780
282 mm
71 mm
73 mm
1.5 kg
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HA-FX781-81 - N2 nitrogen generator FX 781
HA-FX781-81
N2 nitrogen generator FX 781
282 mm
71 mm
73 mm
2 kg
2.720,00 EUR
NEW
HA-FX791-01 - N2 flow meter FX 791
HA-FX791-01
N2 flow meter FX 791
121 mm
134 mm
70 mm
0.6 kg
388,00 EUR
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