... temperature controller 1) Multi input 2) Dual 4 digits display with 7segments LED 3) dual output 4) RS485 interface Temperature Controller SpecificationCH102: 48 x 48 x 110mm, CH402: 48 ... x 110mmCE ,RoHS and ISO9001 approval.Digital Temperature Controller 1/4 DIN (96x96mm), and other sizes.Supply 85 ... Linear signals: 0-20mA, 4-20mA, 0-5V, 1-5V2) Output: relay output, SSR logic output, mA/V output3Two ...