[elecena] SEK-LD20-2600B - zmiany ceny Czujnik przepływu cieczy digital -1-1L/h Serial I2C SEK-LD20-2600B - 2653.07 PLN https://elecena.pl/product/29527361/sek-ld20-2600b 2025-11-21 SEK-LD20-2600B - 2749.73 PLN https://elecena.pl/product/29527361/sek-ld20-2600b 2026-04-24 SEK-LD20-2600B - 2653.07 PLN https://elecena.pl/product/29527361/sek-ld20-2600b 2026-06-02 SEK-LD20-2600B - 2533.80 PLN https://elecena.pl/product/29527361/sek-ld20-2600b 2026-07-18