Working voltage: DC 8-25V(Recommend DC 12V); Working current: 8-13MA
MODBUS RTU protocol, 03 read command, 06 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); Can read temperature and PT100 resistance value
Adapted sensor: PT100 3-wire or 2-wire sensor
Temperature measurement range: A version -20℃ to +400℃ / B version -20℃ to +220℃. It is recommended to select a version with a smaller range within the range that meets the measurement.
Temperature measurement accuracy: 1% , if the temperature deviation is too large, please recalibrate.
Size: 60 X 30 X 16MM
Weight: 16g
Type:Logic ICs
Model Number:PTA9B01
Dissipation Power:-0.2W
color:Green
Material:Circuit board + electronic accessories

Package Contents:
1 x PTA9B01 PT100 RS485 Acquisition module
Only the above package content, other products are not included.
Note: Light shooting 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.