Products > Test Equipment
FNIRSI LCR-ST1 (Inexpensive LCR Tweezers)
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Aldo22:

--- Quote from: indman on August 22, 2024, 11:54:52 am ---Despite my criticism, a tweezer or a device that works as a bridge meter will give you much more convenience and advantages than a transistor tester. Do not forget that this tweezer is positioned as an full-fledged LCR meter, the capabilities of the transistor tester are very limited in terms of measuring these values, as they are in fact only a bonus application to the abilities of this project.

--- End quote ---

OK, if you say so....  :)

Ordered one. The price is good.  :-+
Evi:
Anybody understand calibration prcedure?
This idiotic video explains nothing.
UniSoft:
MCU: ARTERY AT32F403ACGU7
LCD: N114-2413THBIG01-H13

NikNik:
New firmware v1.5  https://www.fnirsi.com/cdn/shop/files/LCR-ST1-V1.5.bin?v=1031665107150577539
https://www.fnirsi.com/pages/download-firmware

I did not find any information about the changes, probably the changes are aimed at improving the accuracy of measurements...
I did not see any changes in the work
+ He started to display the polarity of the diode
by turning the icon
Phil1977:

--- Quote from: UniSoft on August 26, 2024, 04:41:14 pm ---MCU: ARTERY AT32F403ACGU7
LCD: N114-2413THBIG01-H13


--- End quote ---
Thanks for the pictures!

One question: I´ve quite frequently seen quite highly priced semiconductors in these super cheap instruments. Like the INA 826 (usually around €3,- from authorized sources) in this case or sometimes even a €8 photomos-switch in a €10 DMM. 

I think even FNIRSI has too much reputation to loose to just use fake chips without any quality control. Do you think
a) Fnirsi uses originals from TI, even if these two chips alone would be one of the largest item in the BOM
b) there is a spot market for such chips, Fnirsi just produces as long as they get cheap components
c) they use fakes but good ones
d) they use bad fakes
e) anything else???


--- Quote from: NikNik on August 31, 2024, 08:48:57 am ---New firmware v1.5  https://www.fnirsi.com/cdn/shop/files/LCR-ST1-V1.5.bin?v=1031665107150577539
https://www.fnirsi.com/pages/download-firmware

--- End quote ---

Do you know about any changelog?
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