Frequency sensor/transmitter/transducer input:75-450V;35-80HZ output:0-5V;4-20mA;0-5V,4-20mA;0-5V,0-5KHZ ... power:DC15V,DC12V Our requency sensor/transmitter/transducer ... kinds fo A/D converter,computer system. product frequency transmitterGrade0.5&1.0modelA5F-X-O-Y-S 0. ... input signal75-450V;35-80HZoutput signal0-5V;4-20mA;0-5V,4-20mA;0-5V,0-5KHZpower supplyDC24V,DC15V ...