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Seitron Cool Guardian R134A: Trasmettitore fisso per gas refrigerante con sensore a semiconduttore per R134A; campo di misura 0…1.000 ppm SRFN21B rele modulo intercambiabile 3 celle modulo intercambiabile and 2m cable (CHEMIST 100BG 500 500 BG 600 600 BG) offering precise and secure management of the entire refrigeration system One of the distinctive features of the Cool Guardian R134A transmitter is its compatibility with the Modbus® RTU protocol via RS485
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