Zhonghe ZH2032 Programmable Axial Position Monitor | Shaft Displacement Instrument The ZH2032 Programmable Axial Displacement Monitor simultaneously receives voltage signals from two DWQZ-series eddy-current sensor systems to continuously monitor and measure the axial position of rotating machinery shafts. It outputs analog current signals as well as alarm and trip signals. The instrument easily interfaces with DCS and PLC systems and paperless recorders, making it suitable