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Yjingrui manuals

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YJINGRUI WS4852U USB to RS485 Converter User Manual

WS4852U • November 12, 2025

Comprehensive instruction manual for the YJINGRUI WS4852U USB to RS485 Converter with FT232 chipset, covering setup, operation, specifications, and troubleshooting.

YJINGRUI CW-3000DK Industrial Chiller Cooler User Manual

CW-3000DK • October 1, 2025

Instruction manual for the YJINGRUI CW-3000DK Industrial Chiller Cooler, providing setup, operation, maintenance, and troubleshooting guidance for CO2 laser tube cooling.