Specification:A:Power Module:Working voltage: DC 8-30V Working current: 14-25MA MODBUS RTU protocol, 03 read command, 06 or 16 write command. Serial port baud rate: 9600 (default), N, 8, 1 By modifying the 485 address, up to 247 modules can be cascaded (more than 16 please use R485 repeater) / Specification:B:PT100:PT100 sensor specifications(Type A):Type: PT100 Probe Diameter: 6.5mm Probe Length: 30mm Cable Length: 0.5M PTFE sheath 3-Wire type Specification:A:Power Module:Can read temperature and PT100 resistance value Adapted sensor: PT100 2-wire sensor Temperature measurement range: A version -40℃ to +220℃; Temperature measurement accuracy: 1%. DIN rail Box parameters: Insulation grade: flame-retardant VO grade Installation: DIN35 and C45 rail Typical application: Thermostatic Controls Industrial Systems Consumer Products Thermally Sensitive Systems Measuring instruments Indoor and outdoor temperature measurement Temperature in vegetable garden Weather forecasting, and monitoring Temperature in Computer Room Warehouse temperature / Specification:B:PT100:Temperature -200°C-550°C,It is recommended to select a version with a smaller range within the range that meets the measurement. Nominal accuracy : 0.1% Colour:As Shown Material:plastic Specification:A:Power Module Package Contents: 1 x Power Module Specification:B:PT100 Package Contents: 1 x Power Wire Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.