PT100 Platinum Thermal Resistance RTD Galvanic Temperature Sensor Transmitter RS485 MODUBS RTU Module1. Temperature and PT100 resistance values can be read, multi‑functional.2. Up to 247 modules can be cascaded by modifying the 485 address (for more than 16 modules, use R485 Repeaters).3. High quality plastic material manufacturing ensuring maximum durability.4. Temperature measurement range: A version ‑20℃ to +400℃; B Version: ‑20℃ to +220℃. It is recommended to select a small scale version within the measurement range.5. Temperature measurement accuracy is 1%, if the temperature deviation is too large, please recalibrate.Specifications:Condition: 100% Brand NewItem Type: Temperature Sensor ModuleFunction Description of PTA9B01 PT100 RS485 Sensor Module:Supply Voltage: DC 8‑25V(12V is recommended)Working Current: 8‑13mAMODBUS RTU protocol, 03 read instruction, 06 write instruction.Serial Port Baud Rate: 9600 (default), N, 8,1Up to 247 modules can be cascaded by modifying the 485 address (please use R485 Repeaters for more than 16)Temperature and PT100 resistance values can be readAdaptive Sensor: PT100 3‑wire or 2‑wire sensorTemperature Measurement Range:A version ‑20℃ to +400℃B Version: ‑20℃ to +220℃It is recommended to select a small scale version within the measurement range.Temperature measurement accuracy: 1%, if the temperature deviation is too large, please recalibrateMaterial:plasticcolour:As shownPackage Contents:1 x Platinum Thermal Resistance Sensor