EMERGENT EES-401, Instruction Manual, Page: 83 / 90

EES-401 Series Ultrasonic Energy Meter
Revision: 3.0.1
Page 83 of 90
14 Appendix5
–
RTD Module and PT1000 Wiring (Module Optional)
14.1 RTD Energy Meter Function
This function is applied to the following meter and measurement temperature range:
EES-401 Hot (Cold) Energy Meter: 0 ~ 180
℃
, equipped with PT1000 temperature sensor.
The RTD Module
’
s main function is to input the temperature values for the energy measurement. The EES-401
can automatically calculate the caloric content of water at different temperatures and obtain an instantaneous
energy value and totalized energy value.
14.2 Wiring (PT1000)
Three - wire connections methods is used for the RTD module and PT1000 temperature sensors, connections
methods is as follows. ( Note: A1, A2 are the same color, B1 and B2 are the same color ).
A1 B1 B1 A2 B2 B2
RTD INPUT
PT1000
White
Red
Black (Red)
Inlet port Return port
Red
Black(Red)
White
PT1000
Three Wires Connection
RTD INPUT