... transmitter analog output may be be 0-10V or 4-20mA. And the transmitter include a noise filter.the ... 0-10V.-I indicates the transmitter signal out is 4-20mA.For example:TS-U-RThe duct temperature ... transmitter signal out is 0-10V,its need three terminal connections,DC24V,Ground and signal out.o If ... the transmitter signal out is 4-20mA,its need two terminal connections,DC24V,Ground and signal out.o ...