1. Wide range of applications
2. Small size
3. Simple to use
4. cost-effective
5. more beautiful with shell
PTA9B01 PT100 RS485 sensor module function description:
Power supply voltage: DC 8-25V (recommended 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 for use (please use R485 repeater for more than 16 modules)
Can read temperature and PT100 resistance value
Compatible sensor: PT100 3-wire or 2-wire sensor
Temperature measurement range: A version -20°C to +400°C; B version -20°C to +220°C. It is recommended to select a version with a small range within the range that meets the measurement range.
Temperature measurement accuracy: 1%, if the temperature deviation is too large, please re-calibrate
Dimensions: 60 X 30 X 16MM
For protocol details, please refer to "PTA9B01 PT100 Temperature Sensor Setting Protocol"
PT100 sensor specifications:
Product name: PT100 waterproof high temperature probe
Probe diameter: 6.5MM
Probe length: 30MM
Probe Material: Stainless Steel
Line length: 0.5 meters
3-wire
Measuring temperature range: -200~550 degrees Celsius
Shell Specifications:
Material: ABS
Outer diameter: 73*36*24MM
Inner diameter: 70*33*21MM
Package List:
1*collection module
1*PT100 sensor
1* Shell