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The HMP155ACBL2 is a replacement RS-485 cable for the HMP155A-L Temperature and RH Probe when being used for digital measurements. One end of the cable is fitted with a connector for sensor attachment. The other end of the cable either terminates in stripped and tinned leads or is fitted with a connector for our prewired enclosures.
Description: Example CR1000X programs that measure either the analog voltage or RS-485 output of the HMP155A. The analog voltage programs use either the VoltSE or VoltDiff instruction and switch power to the sensor only during measurements. One program also calculates the mean vapor pressure. The RS-485 program measures the RS-485 output with an SDM-SIO1A/SIO4A. Although these programs are written for the CR1000X, programs for other dataloggers will be similar.