Clean room clocks offered in both standalone version & master slave network clocks version that work on RS485 protocol for Modbus communication/wireless rf communication. Features the slave clocks up to 120 nos. Is capable of linking to the main time control system via a 2 core communication cable multidrop network or RF wireless technology communication & the master clock time is synchronized featuring every a notable member of slaves. All the clean room clocks in the synchronized clock Experience the network airing at precisely the same time without interruptions to the seconds. Time is kept correctly, Even if one can discover a loss by way, Of power of integrated battery for time keeping. Ensure environmentcompiulance in gmp cleanroom environment ministry of health saudi arabia, Qatar, Oman compilant for isolation room & operating theatre monitoring usfda, 21 cfr part 11, Gamp, 4 compable with data logging ems scada software