Process indicators & control units Process indicators & control units for all industries RIA15 process indicatorLoop-powered Ex ia process indicator as field or control panel device for 4 to 20 mA signals or HART®protocol RMA42 process indicator with control unit4-wire process indicator with control unit as DIN rail device with up to two universal sensor inputs and optional SIL approval RIA45 process indicator with control4-wire process indicator with control unit as a front panel-mounted device with up to two universal sensor inputs and optional SIL approval RIA46 process indicator with control unit4-wire process indicator with control unit as a field device with up to two universal sensor inputs and optional SIL approval RIA14 process indicatorLoop-powered Ex d process indicator as field device for 4 to 20 mA signals, HART® transparent RIA16 process indicatorLoop-powered Ex ia process indicator as field device for 4 to 20 mA signals, HART® transparent RIA452 process indicator with pump control unit4-wire process indicator with pump control unit for front panel mounting with one universal sensor input and up to 8 relay outputs RID14 process indicatorLoop-powered Ex d process indicator as a field device for FOUNDATION Fieldbus™ or PROFIBUS® with up to 8 input channels