WD-400 temperature monitor is a temperature monitor with a measuring range of -55℃ ~ +125℃, a temperature resolution of 0.0625℃, an upper and lower limit alarm, RS485 communication interface, 4-digit LED display, and a 10-40Vdc wide power supply.
The WD-400 temperature sensor provides digital temperature measurement with a range of -55 °C to +125 °C and a resolution of 0.0625 °C. It includes RS485 communication, LED display, and configurable alarm limits for temperature control.
The manual describes installation steps, wiring diagrams, configuration of alarm thresholds, and how to connect up to eight sensors (WD-400B) on a single bus. Power requirements, environmental limits, and safety information are also provided. This manual is written in Chinese.