PID 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 96 x 110mm, CH502: 96 x 48 x 110mm, CH702: 72 x 72 x 110mm, CH902: 96 x 96 x 110mmCE ,RoHS and ISO9001 approval.Digital Temperature Controller 1/4 DIN (96x96mm), and other sizes.Supply 85-264Vac 50/60Hz or ...