Fangrui Product Details Easy Protocol Adaptation. Can Be Directly Connected To The Existing Modbus System Without Worrying About Protocol Matching Issues. High-precision Acquisition. Calibrated Before Leaving The Factory To Ad Acquisition Accuracy. The Resolution Of 16-bit Adc Can Reach 0.1high Protection Isolation. Supports Rs485 Isolation, Power Isolation (2000v), Power Reverse Connection Protection; Thunder Protection And Surge Protection, High Protection Electrical Isolation. Soft And Hard Dual Watchdog. Reliable And Stable Operation Without Crashes. Industrial-grade Chips Can Operate Stably And Reliably For A Long Time. Use In Wide Temperature Environment. Strictly Tested At -4085to Stable Operation Of The Equipment In An Industrial Environment. Sensor Type:8-way K-type Thermocouple Communication Protocol:standard Modbus Rtu Protocol Communication Interface:rs485 Configuration Method:host Computer Configuration Working Voltage:dc8 - 28v Temperature Measurement Range:-2001350resolution:0.1accuracy:2wo