[elecena] TESTO174T-BT-W - zmiany ceny Rejestrator danych; temperatury; IP65; ±0,5°C@(-30°C÷70°C) TESTO174T-BT-W - 547.36 PLN https://elecena.pl/product/29131318/testo174t-bt-w 2025-07-25 TESTO174T-BT-W - 487.08 PLN https://elecena.pl/product/29131318/testo174t-bt-w 2026-02-25