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Purchase order telefon +48 41 362-12-46 ext.201email  sales@cel-mar.pl            
Technical Supporttelefon +48 41 362-12-46 ext.202email  support@cel-mar.pl        
Faxtelefon +48 41 361-07-70             telefon  office@cel-mar.pl           

Dear Customers, please be advised that our company will be closed on August 14, 2026, due to a public holiday in Poland.
 Purchase orders submitted during this period will be processed from August 17, 2026.

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Protocol Converters
Protocol Converters 		Converters RS-232
RS232 		Converters RS-485/RS-422
RS485/422
Converters Current Loop
Current Loop 		Converters Multi-mode Fiber Optic
Multi-mode Fiber Optic 		Converters USB
USB
Converters ETHERNET
ETHERNET 		Converters 1-WIRE
1-WIRE 		RF Converters
RF
Addressable converters
Addressable converters 		HUB RS-485/RS-422
HUB RS485 		Separators and Repeaters of: RS-232, RS-485, RS-422, Fiber Optic intefaces
Separators and Repeaters
RS-232 interface extension
RS232 extension 		RS-485/RS-422 interface extension
RS485 Extension 		RS-232 virtual port
RS232 virtual port
RS-485/RS-422 virtual port
RS485 virtual 		Current Loop virtual ports
CL/CLO virtual 		Digital Sensors of 1-WIRE Bus
Digital Sensors of 1-WIRE Bus
1-WIRE BUS Splitters
1-WIRE BUS Splitters
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  • About company
    • About Us
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    • Privacy Policy
    • Cookie Policy
  • Interface Converters
    • RS232 converters
    • RS485 converters
    • CL & CLO converters
    • FO-MM converters
    • USB converters
    • 1-WIRE converters
    • ETHERNET converters
    • Wi-Fi converters
    • MODBUS converters
    • PROFIBUS converters
    • PELCO converters
    • HUB RS485/RS422
  • Protocols Converters
    • Modbus-RTU / 1-Wire
    • Modbus-RTU / ASCII
    • Modbus-TCP / RTU
    • Modbus-TCP / ASCII
    • Modbus-RTU / SunMaster
    • IEC62056 / Modbus-RTU
    • Modbus MULTIMASTER
    • Addressable converters
    • Baud Rate and Data Format Converters
  • 1-WIRE Measurement
    • Temperatures
    • Humidity
    • Atmospheric Pressure
    • Lighting
    • Sunlight
    • PT100 transducer
    • PT500 transducer
    • PT1000 transducer
    • 0-10VDC transducer
    • 0-20mA transducer
  • Contact
    • Purchase order:
      +48 41 362-12-46 w.201

    • Technical Information: +48 41 362-12-46 w.202
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