The 4B Watchdog "Elite" uses non-contacting, magnetic sensors to monitor belt speed and belt alignment at the head / boot or both. Additional sensors monitor bearing temperature, head pulley alignment and plugged spout conditions.

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head resistance：迎面阻力

進(jìn)口壓力 head pressure | 迎面阻力 head resistance | 氣缸頭溫度 head temperature

head to head configuration：頭對(duì)頭結(jié)構(gòu)

紡絲口溫度 head temperature | 頭對(duì)頭結(jié)構(gòu) head to head configuration | 頭尾結(jié)構(gòu) head to tail configuration

temperature relay：溫控替續(xù)器

遙測(cè)儀 telemeter | 溫控替續(xù)器 temperature relay | 試驗(yàn)水頭 test head