Measurement range: - 50 ~ 80 ℃, resolution: 0.1 ℃, accuracy: ± 0.5 ℃, power supply mode: DC2 5V / 5V / 12V / 24V wiring mode: voltage type: 3-wire, current type: 3-wire, RS-485 signal: 4-wire signal output: voltage type: 0 ~ 2.5V DC, 0 ~ 5V DC, current type: 4 ~ 20 mars-485 signal: support Modbus Protocol (baud rate 9600 can be set, address 0-255 can be set) response time: < 1s, measurement stability time: 1s material: metal integrated stainless steel, good thermal conductivity, chrome plating treatment on the surface, anti electrolysis and corrosion resistance, Cylindrical conical appearance, overall length 119mm, diameter 19mm, conical top 16mm, strong corrosion resistance, load capacity: current type output impedance ≤ 300 Ω, voltage type output impedance ≥ 1K Ω, working environment: temperature - 50 ℃ ~ 80 ℃, humidity 0 ~ 100%, IP grade: IP68, product power consumption: 0.5 MW