A consumer soldering station by the Weller division of Apex Tool Group.

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How do I determine the temperature of this iron?

I have a Weller WLC100 Soldering station that is supposed to be temperature controllable. The problem is that the dial gives no indication as to the degrees you are setting it to. Does anyone know how to determine this? I am tired of constantly bad solders.

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I am extremely sorry. It is a WLC100. I will edit my original post.

If for some reason you did need to know actual temperature a Tempilstick or similar product should work.


As you do more and more soldering you'll get used to how it's done etc. and you'll be able to set the temperature which gives you the best results.

As always soldering is a compromise between the speed of soldering , good joints and not burning the flux away too quickly. The type of soldering you are doing will also effect the temperature ...I've found that working on vintage equipment requires a slightly higher temperature than doing new soldering and if you use lead-free solder you'll need a higher temperature again.

So it doesn't matter about the degrees not being marked ..just find out what gives you good results and then put a little mark on the setting so you can always go back to it.

I thinks that's one of the reasons why people like the old Weller TCP soldering irons, you just change the bits to adjust the temperature - all the worrying is removed and it all becomes simple.



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Jason France, the Weller wlc100 is a variable temperature soldering station. "The tip temperature can be adjusted by varying the power level of the heater. The temperature can be adjusted anyway from 5 to 40 watts with the knob on base unit" (from user manual).

Set power control knob to В“5В” to heat tool up quickly. Wait 1 minute. Lower settings take longer to reach operating temperature. Adjust control to a lower setting. Remove tool from holder and tin tip with solder. Unit is now ready for use. Always use the lowest power setting that will handle the load you are soldering. By using lower settings and properly selecting tip styles, sensitive components will be protected from heat damage. So there really are no direct temp settings. Always adjust your iron down once you have it hot, to get to the temp where it melts the solder. I think the max temp on the Weller is 900deg. at 40W, each settings should be about 180deg. Now you need to know which solder you use and determine that particular melting point. Honestly, I never had to use it based on temperature, but I always base it on when the solder melts. Do not forget to tin the tip. Hope this helps, good luck.


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So based on what I assume is an educated assumption on your part (and thank you!), mid way on the dial should be around 600 deg. F and a good temp for PCB/through-hole projects. Do you concur?

Thank you for accepting my answer. You are correct, the only given fact is that the iron has a max temp of 900deg. I guess it is just one of those situation where you have to adjust the dial to a point where you the solder properly melts. Best of luck to you.


Jason, When I first started out trying to solder electronics, I practiced on junk electronics, I would uninstall capacitors, diodes, switches, wires, etc. and then solder them back in place, improving technique and speed with practice. After a while you get better and faster and will find a temperature/ setting your comfortable with. For me I found setting 4 on my iron approx. 700 degrees allowed me to unsolder and resolder with out damaging/burning parts. I am by no means the best soldering person in the world, but have built up confidence to tackle a lot of soldering applications just by practice. The same with different tips, just experiment and you will find your favorite tip for different applications. Good luck.

I hope this helped you out, if so let me know by pressing the helpful button.

Temperature Gun, Non-contact Digital Laser Infrared IR Thermometer can be found by google search if you desire knowing more precise what heat output on different settings are on your Weller WLC100.


按维修分数 3

The Weller WLC100 is NOT a temperature controlled soldering station.


It is a Voltage controlled soldering iron (uses an OEM light dimmer).



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I just bought this, and realized it was probably just like a light dimmer. I plugged in a 75 watt bulb and sure enough, I was dimming the bulb same as my light dimmers. I'm a big DIY guy, and had I known, would have built my own station.


I don't know why you couldn't determine the temperature of the iron with a digital no contact thermometer. Or use a Tempil stick or similar product.


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