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Product Name: -20-400 Celsius PT100 Thermocouple Temperature Detector RTD Sensor Tester Converter RS485 Modbus Rtu
 
 
 
Packing list(Please select the product you need):
1 pcs PTA9B01 PT100 RS485 Acquisition module
1 pcs PT100 sensor
1 pcs Matching shell
Description :
PTA9B01 PT100 RS485 Acquisition module Description:
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% .
 
Size: 60 X 30 X 16MM
Weight: 16g
MODBUS RTU protocol please refer to : '' PTA9B01 PT100 RS485 sensor protocol ''
PT100 sensor specifications:
 
Type: PT100 Thermocouple
Probe Diameter: 6.5mm
Probe Length: 30mm
Probe Material : Stainless steel
Cable Length: 0.5M
PTFE sheath 3-Wire type
Temperature -200~550°C degree
Shell:
 
Material: ABS
Outer diameter: 73*36*24MM
Inner diameter: 70*33*21MM
Weight: 16 grams
 
 
For more information, please contact us!!!
 
Typical application:
Temperature Detector Tester
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
 
 
3-wire probe wiring mode: the red wire is connected to P , and the other two wires of the same color are connected to P- and GND (the ports are not distinguished).
Note: Please remove the jumper, otherwise it will affect the accuracy
2-wire probe wiring mode: red wire connects to P , blue wire connects to P-.
Note: The jumper must be short-circuited, otherwise it cannot be measured! ! !
RS485 bus wiring diagram:
 
 
 
 
 
 
 
 
 
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