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Appendix C. Temperature Transmitter Installation
246 Transport® Model PT878 Portable Liquid Flowmeter User’s Manual
C.3.1 Connecting the RTD to the 4 to 20-mA Transmitter
RTDs should have two common leads and one signal lead. If you are using a
GE RTD, the wire colors may vary; however, two of the RTD wires will be
the same color. The wires that are the same color are the common leads and
the remaining wire is the signal lead.
If you are using your own transmitter, make the necessary connections. If
you are using the GE DTR, connect the RTD wires to the terminal block
labeled RTD Inputs. Connect the common and signal wires to the
appropriate pins as designated on the terminal block label.
IMPORTANT: The supply and return RTD cables must be the same length
in order to make accurate temperature measurements.
When you have completed supply and return connections, proceed to the
next section.