Why Did My FNIRSI Station Work Once Then Die Completely?

There is nothing more frustrating than getting a new FNIRSI soldering station, using it once successfully, and then having it refuse to power on the next day. This sudden failure often makes you feel like you wasted your money, but the issue is usually a simple fix that I have personally dealt with before. In … Read more

Why is My FNIRSI Multimeter Very Unreliable and Disappointing?

You bought an FNIRSI multimeter hoping for accuracy, but now it feels like a toy. Why your device seems unreliable is the first step to fixing the problem. Many users report that the auto-ranging feature is slow and often picks the wrong scale. This single issue makes the meter frustrating for quick checks on batteries … Read more

Why is the DMM Probe Jack Spacing on My FNIRSI Multimeter Not Standard?

I pulled out my new FNIRSI multimeter and noticed the probe jacks are farther apart than my old Fluke. This non-standard spacing makes it impossible to use my favorite silicone test leads without an adapter. The wider spacing is a deliberate safety feature to prevent accidental short circuits between probes in high-energy circuits. Many budget … Read more

Why Did My FNIRSI Device Arrive in Chinese Language Mode with a Complicated Conversion?

You just opened your new FNIRSI device and found everything in Chinese. This is confusing and frustrating, especially when you expected English. It matters because you cannot use the device’s features without The menus. Many FNIRSI devices ship from overseas warehouses where Chinese is the default language. The conversion process is not always straightforward. Some … Read more