With all popular options, superior quality controller: 1) Beautiful LCD display2) Universal input:a) Thermocouple: K, J, R, S, B, E, N, Tb) RTD: Pt100, Pt1000, Cu50c) Linear signals: 0-20mA, 4-20mA, 0-5V, 1-5V3) Output: relay output, SSR logic output, mA/V output 4) Many alarm modes on your choice5) Auto-turning6) Automatic/manual modes selection7) RS485 interface with MODBUS/RTU protocol8) RAMP set point9) 24Vcc output for transmitter power10) Remote set point input11) Available size: 48 x 48mm, 48 x 96mm, 96 x 96mmIf you have other optional function requests, please contact us for further discussion. producing area:China payment:T/T, L/C at sight supplying capacity:20,000pcs/month