TSI Instruments PRESSURA RPM20 - Optional Relative Humidity Sensor Wiring to Model RPM20; Optional Nurses Station Communications Wiring to Model RPM10; RPM20

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Figure 19. Optional Relative Humidity Sensor Wiring to Model RPM20
NOTE: Model RPM10 does not support Relative Humidity Sensor.
NOTE: A 120Ω resistor should be installed on both ends of the RS-485 daisy-chain.
Figure 20. Optional Nurses Station Communications Wiring to Model RPM10 / RPM20