our system is using analog out -20 to + 20 ma ( -30 to +30 M/ Min ) is using to measure the line speed of tensioner the system have one Analog meter showing speed , but i need to install one more digital read out display for the speed and alarm over speed so which type of Analog meter i can use for thsi purpose Does siemens have -20 to +20 ma analog I/P meter with alarm set.

Thanks

Thanks

is there is any Instrument that can measure input range -20 to +20 ma pls find the attached drawing for the refernence