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Author Topic: RST FG-100 soldering tip thermometer proudly Made in China - Mini Review  (Read 124 times)

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Offline Kiriakos GR

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I am now also owner of RST FG-100 thermometer / soldering iron tip temperature tester.  :)
Ali-Express Total: 12.20 € (price includes shipping + 24% VAT)
The seller actually receives 7.43 (in EUR)

============================

I do now feel happy and angry for two separate reasons.

I do feel happy, because I am going to receive latest 9/2023 batch of RST FG-100.
Now I do feel also angry about all these morons at YouTube, which pretend the experts about product originality ...

The major supplier of RST FG-100 , he clearly mention at the listing that this is a Made in China tester. 
Additionally he mention that HAKKO logo this removed from their production since 27.4.2016   

========================================================================
Any new product this is covered with 10 years of protection regarding product design copyright.
HAKKO FG-100 of the year 2006 had product design copyright expiration the year 2016.
But HAKKO brand logo this has permanent Copyrights protection.

The long story in sort, since 2016 HAKKO moved forwards developing fresher revisions of the basic FG-100.
FG-100 product design this left back = this were discontinued. 

========================================================================
Since the year 2016, FG-100 exterior design this can be reproduced by anyone.
Its now obvious that industry of China this developed their own IC thermometer chip (all in one) = modernized version.
And as it should be expected this 100% Made in China thermometer this is sold for domestic market and exports.

Today the text RST this translates to a product this coming from the major Chinese factory.
According my brain-cells, I did decide to demonstrate trust at the major product supplier at Ali-Express.
Ali-Express this is engine of the communist China, and there is not much of freedom of whom will be a major distributor of any product.
Therefore and according to social model of China, the front man with company name lefavor Official Store he is truly connected with the production source of these FG-100 in China.

Additionally this person / company / shop, he is not willing to set on risk their hard earned good reputation.
This also translates that this seller, he has significant gravity as customer of the production factory =  Only grade A products in stock.
Finally and regarding shipping, any order from this shop it would be prioritized much differently = Fast shipping.     
 
========================================================================
All now sold RST FG-100 they include:
The thermometer plus one Teflon white disc (washer)
Plus 5 pcs of sensor 191-212 (compatible version).

In the positive side of things, PCB soldering quality this has significantly improve since 2018 and later.
Temperature precision of ±3ºC (300 to 600ºC) just for the tester.
Sensor Temperature range 480ºC Max   
 
Bellow are stock photographs along proofs of my own purchase.
Also I need to confess that I do not have second thoughts of giving my money for a modern made substitute tester of the older HAKKO FG-100.
Because at the end of the day the older real thing, this is made of technology available back in 2006, and this is not any better than the new ...     
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Offline overvolt

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Congratulations mate !! 

With this latest addition your lab this is now more complete regarding test gear.  ;)

I did find as interesting your suggestion about the sensor for this tester.
https://www.ittsb.eu/forum/index.php?topic=1871.0

Offline Kiriakos GR

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RST FG-100 soldering tip thermometer & Max Hold function explained
« Reply #2 on: March 27, 2024, 08:15:11 AM »
Back in time the function of Max-Hold at FG-100 it did caused some confusion mostly at the youth.  :)

Some people though of it as equivalent function to Auto Hold, this does automatic measurement hold when maximum measuring temperature this stabilize within a few seconds.
At HAKKO FG-100 and also at RST-FG-100, Max-Hold this is a manually activated function, the most appropriate name for it this is Display Hold of currently measured value.

As is also explained due the image bellow, at basic FG-100 fast pressing of Max-Hold this is measured value refresh.
Long pressing of  Max-Hold  =  Function ON / OFF




Never forget that HAKKO FG-100 this is electronics design of 2006, it is an accurate thermometer with Hold function and no other magic tricks.  :) 
(Later on at year 2019, HAKKO added both of these functions at FG-100B )
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Offline Kiriakos GR

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Congratulations mate !! 

With this latest addition your lab this is now more complete regarding test gear.  ;)

This is a fact ..  :)
And I am very pleased to say, that regarding temperature I can do both, measurements along calibration inspection of the measuring tool.

Thanks mate.   
   
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Offline overvolt

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What about the older Hakko 191 thermometer, any thoughts / comments ?

Offline Kiriakos GR

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Here is a new find of my own, of how its FG-100 serial code this translates.

RST brand and the mother of these FG-100, they do not have constantly active production line.
And therefore, they manufacture a fresh batch when stock availability this gets low, and actually only once annually.
(They might produce even 6000 thousands of units per Year or more.)

The code: Translates to production date plus four digits.
Production date starts from Year / Month / Day  =  8 digits

This is of how to find the batch at most FG-100 thermometer, for as long there is a sticker at the back.   
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Offline Kiriakos GR

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What about the older Hakko 191 thermometer, any thoughts / comments ?

At Ali Express this meter has the highest rates at:
a) Dead on arrival
b) Not working properly

And I did decide to avoid it and never look back.

RST FG-100 this is All-in-one Chip with few only passive components at the PCB.
This detail translates to, if the chip gets in production with caution? All production will be according to specification. 
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Offline overvolt

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RST FG-100 this is All-in-one Chip with few only passive components at the PCB.
This detail translates to, if the chip gets in production with caution? All production will be according to specification.


I bet that after arrival of your RST FG-100 unit, we will  read the most analytic review ever made for it.  ;)


Offline Kiriakos GR

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I bet that after arrival of your RST FG-100 unit, we will  read the most analytic review ever made for it.  ;)

I have actually today, two unit of RST FG-100 shipped to me.   8)

My first RST FG-100, this comes with fast mail (Cainiao - Ali Express)
My second RST FG-100, this comes with normal speed (Sunyou - Sypost)

The first unit will be most recent manufacturing production ( year 2023 or 2024) 
For the second unit, I have no idea as it comes from eBay drop shipper.

Therefore this is not going to be a regular mini review, but also quality control verification.  ;)   
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